Dissertations / Theses on the topic 'Borneo'
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Bragg, Philip Edward. "Phasmids of Borneo." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338527.
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Roosma, Gary Dean. "Guiding toward independence the Borneo Evangelical Mission and the planting of the Borneo Evangelical Church /." Theological Research Exchange Network (TREN), 2006. http://www.tren.com/search.cfm?p048-0315.
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Razak, Abdul. "Brunei Bay northwest Borneo : depositional system." Thesis, University of Aberdeen, 2001. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=206630.
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Brunei Bay in Northwest Borneo is a semi circular marine embayment formed during the last marine transgression. It represent a complex tropical depositional system in a micro-mesotidal setting in which the following elements can be recognised - an elongate bird's foot delta with abandoned lobes, drowned river valleys, cuspate delta and classic tidal estuary - all within 50 krn of each other. Understanding the control on the morphology of the sand bodies produced within the overall depositional system is of great importance because it is believed that many of the subsurface hydrocarbon reservoirs in Northwest Borneo were deposited in a depositional setting similar to that of modern-day Brunei Bay. This study therefore has major implications for defining the architecture and connectivity of subsurface reservoirs. A detailed bathymetry survey of western Brunei Bay has been undertaken which acted as guide for subsequent hydrodynamic measurements and coring programme. The results of this study indicate that the localised depositional setting plays a key role in understanding sandbody geometry because the orientation of sandbodies and facies distribution varies considerably. Tidal processes playa significant role in shaping the sediment distribution and facies characteristic of the area although locally wave processes can play a significant role. Tidal sandbodies parallel to the direction of drowned rivers, form a large arcuate-shaped complex less constrained by the structural trend. This study suggests that within Brunei Bay, morphology and tidal range is not a good indicator of the dominant process. Mud, exceptionally rich in plant debris derived from the mangrove swamps, accumulates in low energy environments peripheral to the distributary channel, reinterpretation of many coal horizons in the Miocene of the region which have largely been ascribed to a raised setting. This study indicates that the present day Brunei Bay is an excellent analog for the tidally influenced succession of Northwest Borneo. Conversely, it also indicates that the Baram Delta located approximately 100 krn west of Brunei Bay is not a suitable analog for the interpreted wave influenced Miocene succession of Northwest Borneo.
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Schreer, Viola. "Longing for prosperity in Indonesian Borneo." Thesis, University of Kent, 2016. https://kar.kent.ac.uk/57876/.
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This thesis explores Dayak villagers search for prosperity at a Central Kalimantan frontier in Indonesian Borneo. Concretely, it asks how do marginalised people deal with the growing sense of uncertainty caused by livelihood instability in consequence of accelerated political-economic and environmental change? How do they navigate a present that refuses to offer stability and well-being and constantly is changing be- yond their control? To address these questions, the thesis looks at local livelihoods and their transformation, and examines the imaginaries of prosperity and well-being that inform these strategies. By doing so, it argues that both the past and the future provide people a space of hope to imagine a prosperous existence and that this back- and forward-looking is itself a way of dealing with the uncertainty of the present. Therewith, the thesis not only sheds light on what it means to make living in both a material and ideological sense in rural Borneo in contemporary times, but it seeks to offer a critical account of current Indonesian state practice of frontier development.
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Garay, Gotzone. "The literature review of Penan religion." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1436022.
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Postill, John Raymond. "Borneo again : media, social life and the making of a national subculture among the Iban of Malaysian Borneo." Thesis, University College London (University of London), 2000. http://discovery.ucl.ac.uk/1382006/.
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This study examines the social and political significance of media among the Iban of Sarawak, in Malaysian Borneo. It is intended to contribute both to the ethnographic literature on the lban and to a neglected field of inquiry of key theoretical and practical importance: the anthropological study of media. The thesis is divided into seven chapters. The first chapter introduces the problem by critically reviewing the relevant literature from social anthropology and media studies. The second chapter deals with the production side of modern media from an historical perspective. The production of a modern lban identity through radio and print media in the 1 960s was superseded in the 1970s by a more vigorous rival project supported through television and textbooks: the creation of a Malaysian national culture. The third chapter explores the 'social life and afterlife' of television sets in the Saribas region as they enter into the gift and exchange systems that bind the living and the dead, including burial rites at which television sets are destroyed. This approach reveals growing wealth disparities in rural Sarawak as well as culture-specific ways in which media artefacts are appropriated and disposed of. Chapter Four analyses the critical role of radio, television, public-address systems and other media in the organisation of social time and space in Saribas longhouse communities. I argue that these media help local people to routinely naturalize clock and calendar time both in their daily and festive lives. Chapter Five focuses on the relationship between media practices and the local Saribas ideology, or 'ideolect'. A close examination of school essays, public-address speeches and television commentary reveals a consistent set of developmentalist ideas cutting across these diverse practices. Chapter Six compares and contrasts the findings from the Saribas area (chapters 3-5) with those from a more remote region, the Skrang. I stress the importance of indigenised Christian prayer books in providing recent converts with tools with which to make sense of troubling reports from television and radio, notably news of war, famine and the spread of infectious diseases. Chapter Seven is a summary and conclusion.
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Mathew, Manoj joseph. "Geomorphology and Morphotectonic Analysis of north Borneo." Thesis, Lorient, 2016. http://www.theses.fr/2016LORIS408/document.
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L’analyse géomorphologique d'une zone d’étude permet d’identifier et de comprendre le rôle des facteurs de contrôle tectonique et climatique sur l’évolution passée, récente et future de la surface topographique. Ce travail de recherche porte sur l’analyse géomorphologique des paysages du secteur de l’état de Sarawak, localisé au nord de l’île de Bornéo en contexte tropical. À travers l'analyse morphotectonique des deux plus grands bassins versants : le bassin versant du Rajang et du Baram, il a été possible de dresser une première évaluation du cadre morpho-tectonique de la région et des conséquences topographiques. Les bassins versants étudiés et situés au centre et au Nord de Sarawak drainent une superficie totale d'environ 75 000 km². L'île de Bornéo présente une couverture végétale dense spécifique aux régions tropicales, et demeurant souvent difficile d’accès. Cette île témoigne de terrains montagneux et accidentés, découpés par de vallées profondes aux flancs abruptes, entraînant des taux de dénudation notables depuis le Miocène. La première contribution est d’identifier les principales failles mineures et majeures ayant par réactivation participées au rajeunissement de la surface topographie à l’échelle régionale. À l’échelle des deux bassins versants, les facteurs géomorphologiques suivants comme l’intégrale hypsométrique, les facteurs d’asymétrie, les anomalies de pente identifiées le long des rivières ont été cartographiées à l’aide des techniques d'autocorrélation spatiale. Les principaux mouvements verticaux identifiés sont accommodés le long des accidents structuraux majeurs et des chevauchements spécifiques de la zone Nord de Bornéo. Parmi les autres résultats, il est également observé des surfaces planes reliques, à haute altitude, n’ayant pas encore réajustées leur surface d’équilibre depuis les 5 derniers Ma malgré de phases rapides de soulèvement connues. Enfin, à l’échelle de la zone d’étude, où les contrastes lithologiques sont absents, la présence de nombreuses ruptures de pente ou knickpoints sont observés le long des principaux profils longitudinaux des rivières. Les ruptures de pente fortes sont dans la majorité corrélables aux principaux accidents structuraux. Des observations de terrain viennent renforcer nos hypothèses par la présence de terrasses fluviatiles soulevées. Ce travail d’analyse d’indices géomorphologiques complétés par des observations de terrain permet alors de proposer un modèle synthétique des principaux facteurs de contrôle responsables du rajeunissement de la surface topographique de l’état de Sarawak jusqu’alors sous-estimé et méconnuGeomorphic assessment of a region is considered to be crucial in understanding the present day landscapeand forces that have acted and is currently acting on the ever evolving topography. This thesis explores the geomorphology of the tropical landscape of Sarawak, north Borneo through morphotectonic analysis of two of the largest drainage basins of the entire Borneo Island: the Rajang and Baram basin; making this work the first systematic tectono-geomorphic evaluation of the region. The island of Borneo is enveloped by thick rainforests, hostile rugged mountainous terrain with deep and steep valleys, and is characterized by high denudation rates since Miocene. The studied drainage basins flow across entire central and north Sarawak and drain a total combined area of ca. 75, 000 km². The first contribution to the field is by conducting a study on the presence of active tectonic forces that modify the topography through rejuvenation of major and minor faults. The analysis using basin-scale hypsometry, asymmetry factor, normalized channel steepness index and spatial autocorrelation techniques showed that the landscape has been rejuvenated and experiences tectonic deformation to present-day in the form of active folding of the fold-thrust orogenic belts of the Interior Highlands which form the backbone of Borneo. From the results, we highlighted the presence of relict surfaces of landscapes which were isolated at high elevations unable to balance a rapid uplift phase experienced after 5 Ma. We extended the study in order to identify the current stage of landscape development by conducting stream profile analysis which displayed an array of knick-zones and knick points devoid of lithological and climatic controls. Deep V-shaped valleys formed in the zones that demonstrated active folding of the highlands also revealed relief anomalies highlighted through topographic analysis. We showed that enhanced orographic precipitation following the rapid creation of relief has supported adjustment of the topography to a state of transience. In the next part of this work, we conducted swath profile analysis, minimum bulk erosion and channel steepness anomaly maps in order to identify the role of rapid incision in exacerbating erosion rates as a response to tectonic and climatic forcing. We show that there exists a coupling between incision rates, precipitation and channel steepness which shows a relation of direct proportionality. Extensive geomorphic and sedimentological field campaigns were carried out in order to substantiate our results and conclusions. The field work revealed the presence of uplifted fluvial terraces, waterfalls and cataracts corresponding to knick-points identified by us. Finally, we combine our results from the geomorphic analysis and stratigraphic field work in order to construct a conceptual model showing the geomorphic evolution of Sarawak, north Borneo
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Hesse, Susanne [Verfasser]. "The tectonic evolution of NW Borneo / Susanne Hesse." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018225803/34.
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Meyfarth, Elke Rosaleen. "Biological conservation, orangutan-rattan relationships in Indonesian Borneo." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ42577.pdf.
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Suggate, Simon Matthew. "Provenance of neogene sandstones of Sabah, northern Borneo." Thesis, University of London, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542377.
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Ahlm, Kristoffer. "Prey specialization and diet of frogs in Borneo." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-102020.
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Earlier studies of the diet of frogs indicate that most adult frogs are mainly insectivorous. Overall, frogs are viewed more as generalists than specialists in terms of their diet. However, despite earlier studies, there are still gaps in our knowledge regarding what frogs tend to eat and the degree of specialization. The aim of this study was to investigate the diet choice of frogs in a tropical ecosystem. The present study was conducted in a well-known hotspot for frogs with 66 of the 156 known frog species in Borneo found in a protected area comprising of primary rainforest. Frogs were caught in the field and their stomachs were flushed. The stomach content was retrieved, sorted to prey categories, and the diet analysed. In addition, the frogs were identified to species level. The frogs belonged to five families: Bufonidae, Dicroglossidae, Megophryidae, Microhylidae and Ranidae. My results show that the most common food source was ants, which constituted 63.7 % of the total food for all studied frog families. Termites, beetles and spiders made up 11.7 %, 4.2 % and 2.8 % of the total prey, respectively. The results from the analysis of Shannon’s diversity index supported two diet specialist families, the Bufonidae and Megophridae, which had a significantly lower mean diversity index compared to the generalist Dicroglossidae. To better reveal differences in frog’s diet in this ecosystem, further studies using larger sample size are needed.
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Hattum, Marco Willem Alexander van. "Provenance of Cenozoic sedimentary rocks of northern Borneo." Thesis, Royal Holloway, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423143.
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Nakabayashi, Miyabi. "Feeding ecology of three frugivorous civets in Borneo." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199151.
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Krishnamurthy, Prabakaran. "Environmental Geochemistry of the Lower Baram River, Borneo." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/59727.
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In order to understand the environmental geochemistry of the Lower Baram River, seasonal surface water and sediment samples, core sediments, and root, bark and leaves from mangrove trees were collected and examined for major, trace and rare earth elements. The provenance and prevailing geochemical processes which govern the characteristics of water and sediments were revealed. Further, risk assessment and bioaccumulation of trace elements as well as the mechanism of element uptake in mangroves were discussed.
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Cleary, Daniel Francis Richard. "Biodiversity and environmental change in the rainforests of Borneo." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/61587.
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Mead, Claire. "The effects of logging on understorey birds in Borneo." Thesis, Manchester Metropolitan University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486961.
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Studies have established that birds are affected by logging and largely adversely. However, which species are affected, and to what degree, remains unanswered. In particular there is a need to establish why birds decline. Studies show insectivores to be the most vulnerable, but factors affecting insectivorous bird survival are unknown. The purpose of this study is to confirm which species are vulnerable, and the reason why. This study demonstrates the high proportion of understorey bird species which are affected by logging and the large extent by which most species are adversely affected. Not only did the majority (about 80%) decline, but two-thirds of species were severely affected (declined by 50% or more), and a third exhibited acute decline (of over 75%). Only generalists and nectivores are not adversely affected by logging. The abundance of understorey invertebrates also declines following logging. Howwever, pertinent to insectivorous birds, this decline is more significant for the prey groups. It is dependent on substrate, and becomes more severe in drought. For this reason temporal changes in prey availability are likely to be as important as determinants of local bird densities as mean prey availability in logged forest. The lower range of prey availability is likely to be a critical factor in bird persistence in logged forest. Results indicate that drought is the mechanism through which habitat disturbance causes a decline in prey abundance. This decline in arthropods appears to directly impact on insectivorous birds such as babblers. Arthropods (at least those that are bird prey) and babblers are associated with microhabitats that are uncommon in logged forest. The response of three arthropod communities (foliage, ground and suspended litter) to disturbance depends upon how the logged microhabitats available approximate the natural microhabitats they prefer. Skids and gaps are avoided, and arthropod abundance depends directly upon the availability of preferred and usable microhabitats. Such microhabitat becomes increasingly rare with increased severity of disturbance. Insectivorous birds decline because optimium foraging sites are rarely available, and they experience a decline in prey availability. The decline in density of babblers is due at least in part to prey scarcity. The foraging success of babblers declines in logged forest, on average by 80%. Logged attack rates are universally lower (for all 15 species) than those of undisturbed forest. Arboreal, low level and terrestrial babblers all have a lower attack yield in logged forest, which suggests that babblers consume less prey in logged forest than in primary forest. Foraging preferences also explain the relative decline of babblers. The foraging strategy of babblers dictates how vulnerable they will be to logging, and it is clear that it is specialisation specifically that causes species decline. This graduated response to logging can also be predicted on the basis of microhabitat use, and is also explained by the magnitude of disturbance. Understorey birds show greatest decline in abundance where the degree of disturbance is most severe. This implies that forest management could greatly affect bird survival.
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De, Silva Maureen. "Javanese indentured labourers in British North Borneo, 1914-1932." Thesis, SOAS, University of London, 2009. http://eprints.soas.ac.uk/29298/.
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This thesis examines the historical realities of Javanese indentured labour in British North Borneo from 1914 to 1932. The empirical findings are interpreted in terms of the theoretical debate surrounding the indentured labour system, seen either as a 'new system of slavery', or as a particular variety of 'free labour'. By using primary and secondary sources, the study analyses the dynamics of the Javanese indentured labour system, i.e. from the negotiation between the colonial states for the procurement of Javanese labour, to the actual recruitment in Java, and working conditions in British North Borneo under civil contracts, which sanctioned criminal punishments. The thesis argues that the desperate need for labour, the prevailing conditions in Java, the regulated recruitment and immigration procedures, the characteristics of their indenture experience on British North Borneo enterprises, the post-indenture options available to the labourers, the inferior position of the Company government vis-a-vis the Dutch authorities, and the incessant disagreement between employers' representatives, which weakened their collective bargaining power, have all helped to depict Javanese indentured labour experience in British North Borneo not so much as slavery in a disguised form, but as a unique variety of 'free labour'. This thesis contributes to the wider history of colonial labour in three ways. Firstly, it provides an extensive and analytical review of Javanese indentured labour in British North Borneo during the period of imperialism and colonialism, which has not been attempted before. Secondly, it goes beyond the study of colonial and capitalist interests, moving towards an analysis of the experience of indenture by Javanese immigrants themselves. Thirdly, in contrast with previous studies depicting Javanese labourers as part of British North Borneo's local history, this thesis frames the story in terms of the wider debate surrounding the system, thus providing a modest contribution from British North Borneo to continuing deliberations on this controversial topic.
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Hall, Julia Clare. "Managing the tropical rain forest : swiddens, housegardens and trade in Central Kalimantan." Thesis, Oxford Brookes University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261434.
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Tan, Jin Huat. "The Borneo Evangelical Mission (BEM) and the Sidang Injil Borneo (SIB), 1928-1979 : a study of the planting and development of an indigenous Church." Thesis, Oxford Centre for Mission Studies, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.732969.
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Langner, Andreas. "Monitoring Tropical Forest Degradation and Deforestation in Borneo, Southeast Asia." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-99533.
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SUKARDJO, Sukristijono, Akio HAGIHARA, 秋男 萩原, Takuo YAMAKURA, 拓夫 山倉, Husato OGAWA, and 房人 小川. "Floristic composition of a tropical rain forest in Indonesian Borneo." 名古屋大学農学部付属演習林, 1990. http://hdl.handle.net/2237/8669.
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Dumbrell, Alexander Joseph. "Impacts of selective logging on tropical-forest butterflies of Borneo." Thesis, University of York, 2006. http://etheses.whiterose.ac.uk/14076/.
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Buckley, Benjamin James William. "Ranging behaviour of male orang-utans in an unfragmented Bornean habitat and implications for mating-system mechanics." Thesis, University of Cambridge, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708701.
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Yue, Sam. "Effects of oil palm plantations on mammal communities in northeastern Borneo." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50032.
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Agricultural expansion is considered the single largest threat to biodiversity. In Southeast Asia, the expansion of oil palm plantations is one of the leading causes of deforestation and habitat fragmentation. Studies have consistently shown that oil palm plantations support considerably lower biodiversity than native forest, yet little research has assessed how characteristics of the plantations influence diversity, or how edge effects of oil palm might impact species living in adjacent forest. I investigated whether 1) mammal diversity was different in oil palm plantations versus forest, 2) mammal diversity varied with characteristics of the plantations, such as tree height and proximity to forest, and 3) oil palm generated “edge effects” that reduced mammal diversity within nearby forest. Results were inconclusive as to whether the gamma diversity significantly differed between forest and oil palm at the α = 0.05 level. However, diversity and occurrence declined abruptly with decreasing forest proximity, suggesting that mammals within oil palm are largely constrained to locations in close proximity to native forest. Canopy cover and tree height within plantations had minimal relationships with mammal diversity and occurrence. I suggest that the only effective way to connect mammal populations in forests fragmented by oil palm development would be to retain or create large strips of forest through plantations to act as corridors. My results also suggest that degraded forests not yet converted to agriculture still retain relatively high conservation value and should not be replaced by oil palm.Science, Faculty of
Zoology, Department of
Graduate
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Leaman, Danna Jo. "The medicinal ethnobotany of the Kenyah of East Kalimantan (Indonesian Borneo)." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/10022.
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The hypothesis that plant materials are selected and valued for use in traditional remedies based on their biological activity was examined in the context of the health, culture, and environment of the Kenyah people of the Apo Kayan Plateau, East Kalimantan, Indonesian Borneo. In an ethnobotanical survey conducted in three Kenyah villages in the Apo Kayan, 403 remedies involving 203 species of plants were documented. Locally important remedies and taxa were identified, and the distribution of knowledge within the Kenyah communities was evaluated using a new quantitative medicinal importance value index based on consensus. Plants with a high importance value as malaria remedies (IV$\rm\sb{mal}$) produced extracts that inhibited cultured Plasmodium falciparum more effectively than extracts of remedies with low IV$\rm\sb{mal}$ and control plants. Several species were identified for further research directed toward safe and effective treatments for malaria. The relationship between Kenyah selection of medicinal materials from the surrounding Apo Kayan flora according to locally defined plant attributes, their medicinal importance value (IV), and biological activity was investigated through field bioassays for larvicidal, antifungal, and phototoxic activity using brine shrimp (Artemia salina Leach) and brewer's yeast (Saccharomyces cerevisiae). The distribution of biological activity within the medicinal flora suggests selection by the Kenyah for antifungal activity. Within the medicinally used flora, biologically active tissues are selected over inactive tissues. Biological activity is significantly related to medicinal importance value (IV) at the levels of plant part ($r\sp2 = .64;\ P .05$) and species ($r\sp2 = .64;\ P .01$), and selection frequency is significantly related to biological activity at the level of taxonomic superorder ($r\sp2$ =.32; P =.01). Primary and secondary forest species are exceptionally active. A model combining traditional science and modern science to identify priorities for research on safe and effective uses of traditional remedies, and conservation of medicinal plant and animal resources, is proposed.
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McConkey, Kim Rachelle. "Gibbons as seed dispersers in the rain-forests of central Borneo." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431300.
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Chiang, Kai Kim. "The geochemistry of Cenozoic igneous rocks of Borneo and tectonic implications." Thesis, Royal Holloway, University of London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399226.
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Morrogh-Bernard, Helen Celia Christopher. "Orang-utan behavioural ecology in the Sabangau pear-swamp forest, Borneo." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611376.
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Moerman, Jessica. "Regional hydrology captured in northern Borneo rainwater and dripwater isotope variability." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53523.
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Oxygen and hydrogen isotopes (δ18O, δD) are increasingly powerful tools for reconstructing past hydroclimate variability. The utility of δ18O- and δD-based paleoclimate records, however, depends on our understanding of how well these tracers reflect past climate conditions. The dynamics controlling the relationship between climate and water isotope variability are highly complex and often poorly constrained, especially in the tropics, where many key high-resolution paleoclimate records rely on past rainfall isotopes as proxies for hydroclimate. In this dissertation, I use multi-year timeseries of daily rainfall and biweekly dripwater δ18O from northern Borneo – a site for stalagmite δ18O-based paleoclimate reconstruction in the heart of the West Pacific Warm Pool – to track the cloud-to-calcite transformation of δ18O and its relationship to large-scale climate variability. Chapter 2 investigates the variability of rainfall δ18O variability from northern Borneo on diurnal to interannual timescales and its relationship with local and regional climate. Chapter 3 investigates the rainfall-to-dripwater transformation of climate-related isotopic signals following water transit through the Borneo cave system. Overall, this dissertation provides empirical support for the interpretation of northern Borneo stalagmite δ18O as a robust indicator of regional-scale hydroclimate variability, where higher δ18O reflects regional drying. More generally, this research provides a roadmap for obtaining more nuanced interpretations of speleothem δ18O records from multi-year, high-resolution, paired timeseries of rainfall and dripwater δ18O.
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Noad, Jonathan James. "The sedimentary evolution of the tertiary of eastern Sabah, Northern Borneo." Thesis, Birkbeck (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369289.
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Davis, Andrew J. "The ecology and behaviour of rainforest dung beetles in northern Borneo." Thesis, University of Leeds, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395782.
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Baker, Kate. "Eco-hydrogeomorphic interactions in streams of Ulu Temburong National Park, Borneo." Thesis, King's College London (University of London), 2018. https://kclpure.kcl.ac.uk/portal/en/theses/ecohydrogeomorphic-interactions-in-streams-of-ulu-temburong-national-park-borneo(9051ae4d-b391-40b3-8622-57170fef7f72).html.
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This PhD thesis focuses on the basic eco-hydromorphic dynamics of pristine tropical stream systems on the island of Borneo. Exploring theories and models developed in temperate streams and rivers to determine if they can be applied or appropriately adjusted to describe and explain some of the tropical stream processes. Streams in Ulu Temburong National Park in Brunei Darussalam are used as a case study owing to its pristine rainforests and intact stream catchments that have hitherto been little studied. The first part of the thesis assesses the distribution of macroinvertebrates in flow biotopes and investigates if the arrangement, structure and juxtaposition of the flow biotopes influences macroinvertebrate assemblages and population. It is demonstrated that the more consistent environmental conditions of waterfalls and cascades, in comparison to the mixed-substrate biotopes (pools and riffles), have a strong influence on the macroinvertebrate communities. The influence of discontinuity on stream biota and ecosystem functions was explored at confluences zones and in pools above-and-below waterfalls. Results suggested there was a stronger link between confluence hydrology and macroinvertebrates, than with organic matter and periphyton. The waterfall study found varied effects of biotic and abiotic factors on community structure and ecosystem function. Higher fish densities were in below-waterfall pools and higher shrimp abundance in above-waterfall pools. However, macroinvertebrate densities (excluding shrimp) were similar among both pool types. Ambient periphyton was higher in below-waterfall pools but leaf litter decomposition rates did not differ, suggesting that neither shrimp nor fish densities had consistent impacts on this ecosystem function. The trophic structure of the macroinvertebrates living on waterfalls was investigated using stable isotope analysis (SIA; δ13C and δ15N of leaf litter and periphyton) and gut contents analysis (GCA), establishing potentially three trophic levels. This thesis successfully used models developed in temperate streams to develop an understanding of the basic dynamics of pristine tropical stream systems in terms of eco-hydromorphology, which will assist with sensible conservation management and for robust ecosystem monitoring.
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Sakuma, Kyoko. "Historical Formation and Changes of an Inland Trade Center in Central Borneo." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199424.
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Kyoto University (京都大学)0048
新制・課程博士
博士(地域研究)
甲第19100号
地博第174号
新制||地||60(附属図書館)
32051
京都大学大学院アジア・アフリカ地域研究研究科東南アジア地域研究専攻
(主査)教授 杉島 敬志, 教授 小林 繁男, 准教授 竹田 晋也, 准教授 祖田 亮次
学位規則第4条第1項該当
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Ahmad, Berhaman. "Taxonomic revision and phylogeny study of the genus Tristaniopsis (Myrtaceae) of Borneo." Thesis, University of Aberdeen, 2011. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=167842.
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Taxonomic revision and phylogeny study of Tristaniopsis Brongn. & Gris (Myrtaceae) of Borneo is presented. Based on the current circumscription, by examining specimens in major herbaria and in the field, 22 species are recognised in Borneo, including 11 new to science. Identification key to species was produced, and followed with individual species taxonomic treatments. Morphological descriptions and distribution maps, plus notes on habitat and etymology, together with a list of specimens examined, are presented for each species. Taxonomic and nomenclatural problem were also reviewed, species level problems were resolved, resulting in clearly defined species. Based on the specimens examined its clearly shown that more exploration should be undertaken to collect from the vast area of Kalimantan, especially the kerangas forest which is rich in endemic species in the other parts of Borneo. For field identification a field key to species was prepared, which supported with a set of pictorial plates showing the major morphological characters for each species (22 plates) were presented using photos taken in this study. Each plate is followed with a legend to explain all the characters shown in the plates. To avoid confusion with the nearest species, diagnostic characters were presented to distinguish them. In addition to this, a vernacular name is proposed for each species to avoid confusion since, previously, some vernacular names were used for more than one species or a general name, such as pelawan-pelawan or selunsur, was used for all Tristaniopsis species. Molecular studies using ITS (Internal Transcribe Spacer) nuclear ribosomal DNA, plus 2 plastid regions (rbcL and matK) chloroplast DNA were done. All three regions and the combinations have produced low resolution especially within the Bornean sub-clade in tree topologies which were produced using three methods Neighbor-Joining (NJ), Maximum Parsimony (MP) and Maximum Likelihood (ML). Although there was often low resolution, the data clearly resolved Tristaniopsis according to the two geographic regions, Borneo, and non-Borneo (New Caledonia and Australia), these two sub-clade received >90% support in NJ, MP and ML analyses. Only the ITS nuclear DNA clearly supported Tristaniopsis as a monophyletic genus. There was very poor correspondence of morphological characters with the topology of the plastid and ITS phylogeny. Sample of T. whiteana from Sentosa Island, Singapore, was placed separated from T. whiteana of Borneo, though morphologically there are good species, this shows that there are variation of sequences between-region. This suggests that a broader sequencing project is needed, which require greater sampling of Tristaniopsis from its distribution range, which can be expanded to sequence taxa from the neighboring countries, Papua New Guinea, Indonesia (include Sulawesi) and the Philippines in the east, and Peninsular Malaysia, Sumatra, Thailand, and Myanmar in the west, to assess patterns of distribution and to hypothesize dispersal routes. Base on the result, Tristaniopsis may have originated from New Caledonia and Australia, with subsequent dispersal into the Malesian region up to Thailand and Tenasserim in Burma the northernmost extent of the distribution range.
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Ibrahim, Noor A'zim. "Major controls on the development of sedimentary sequences Sabah Basin, northwest Borneo." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320046.
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Arumugam, Anandkumar. "Ecological risk assessment of the Miri coast, Sarawak, Borneo: A biogeochemical approach." Thesis, Curtin University, 2016. http://hdl.handle.net/20.500.11937/698.
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Ecological risk assessment was made along the Miri coast based on trace element concentrations (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Rb, Zn) in the seawater, sediments, and aquatic biota (fish, shrimp, crabs, and bivalves). Prevailing major geochemical processes were identified. Contamination and risk assessment indices were estimated. Sediments were contaminated by Cu and Zn, but in the marine life the remaining metals were within the permissible limits set by international and national guidelines.
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Modon, Valappil Ninu Krishnan. "Rainfall Analysis and Hydrochemical Characterisation of the Limbang River Basin, Northern Borneo." Thesis, Curtin University, 2019. http://hdl.handle.net/20.500.11937/75660.
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Hydroclimatology of the Limbang River Basin, northern Borneo in the equatorial tropics was characterised through detailed analysis of rainfall, runoff modelling and hydrochemistry of rainwater and surface water. Results indicate the impact of climate change over the rainfall which showed a continuous increasing trend. Chemistry of rainwater is dominantly controlled by wind dominated pollutants whereas weathering, leaching and erosion of rocks in response to severe rainfall and intense logging controlled the surface water chemistry.
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Chey, Vun Khen. "Comparison of biodiversity between plantation and natural forests in Sabah using moths as indicators." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:14f1640d-aa6e-4679-ad8c-d74decfa506a.
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The Malaysian state of Sabah, in northern Borneo, started massive monoculture forest plantations of fast-growing introduced tree species in the mid-1970's to replace part of the harvested tropical rain forest. Many people, particularly conservationists in the West, are very much against this sort of reforestation as they fear it would spell a permanent loss to the Bornean rain forest biodiversity. This project was carried out at the more established forest plantations of Sabah Softwoods Sdn. Bhd. in Brumas from 1991 to 1993, where fast-growing exotics namely Acacia mangium, Eucalyptus deglupta, Gmelina arborea, Paraserianthes (=Albizia) falcataria, Pinus caribaea, were studied to assess their biodiversity and these plantations were compared with the natural regenerating logged-over secondary forest in Brumas, as well as the primary forest in Danum Valley, by using light-trapped macromoths as indicators. The method of light-trapping as a reliable means of capturing moths was supported by canopy knockdown in the form of mist-blowing. Results obtained showed that for the year-long (January-December 1991) light-trap samples, the biodiversity values, as represented by Williams alpha (higher the value, higher the diversity), were unexpectedly high in the various plantation forests. Their alpha values ranged from the lowest in Acacia mangium with 208.14+-9.22, to the highest in Eucalyptus deglupta with 330.85+-16.37 which was even higher than the natural secondary forest with 314.53+-11.99, and certainly not inferior to the published values (300 to 350) from undisturbed Bornean forest of similar altitudes (below 500m). For the shorter month-long subsidiary samples (October/November 1992, January/February 1993), the alpha values of the samples from the lowland primary forest in Danum were not necessarily higher when compared with the similarly sampled disturbed forest habitats in Brumas, but despite its small samples, Danum produced some 33 species of macromoths which were never collected out of the 1680 species obtained from Brumas in the entire project. The main reason behind the surprisingly good diversity measures (as indicated by moths) in these forest plantations was the presence of an understorey of varying diversity under the canopy. It would appear that with the fast-growing introduced trees acting as light-demanding pioneers, many plant species ranging from herbs, shrubs, to saplings of native tree species, managed to germinate and grow more or less efficiently in the understorey. Eucalyptus deglupta had a more diverse understorey both in terms of plant species and architecture, which in turn supported a more diverse moth fauna. These findings are encouraging in terms of biodiversity conservation, as plantation forestry seems to be the only way forward for many developing countries like Malaysia.
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Holmsen, Katherine. "Out of the Forest and Into the Market: Social and Economic Transformations in a Bornean Foraging Society." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/196088.
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This dissertation is an account of a Bornean hunting and gathering group, the Punan of Long Suluy, as it transitions from an economy based primarily in subsistence foraging to one increasingly oriented to the market and about the accompanying social shifts associated with that transition. It focuses on the period stretching from the mid-1960s until 2004 during which time an Arab Indonesian trader managed to establish and maintain what constituted a one-man monopoly over the Punans' trade in commercialized forest products. The relationship between the Punan and this trader began as one based solely in economics and eventually transformed into a type of patron-client relationship embedded in terms of mutual obligations and quasi-kin relations. As the Punan became increasingly involved in market relations and to adopt values based in material accumulation and an identity referenced outside of their own social group, they became increasingly adversarial with the trader, transitioning from subservient laborers to competitors in the forest product trade. This dissertation investigates both the shifting political economy of the Punan during this time period and their internal social dynamics as they negotiate their increasing participation in the market.
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Voros, Joan. "Geophagy by rehabilitated orangutans (Pongo pygmaeus pygmaeus) in Sungai Wain Forest, Indonesian Borneo." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ56214.pdf.
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Auliya, Mark André. "Taxonomy, life history and conversation of giant reptiles in West Kalimantan (Indonesian Borneo)." Münster NTV, 2003. http://deposit.ddb.de/cgi-bin/dokserv?id=2807584&prov=M&dok_var=1&dok_ext=htm.
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Metcalfe, Stuart. "International business networks in historical perspective : the case of the Borneo Company Limited." Thesis, London South Bank University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264864.
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Tseu, Lawrence Sed Kong. "Car dependency and traffic congestion : a case of a Malaysian city in Borneo." Thesis, University of Strathclyde, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415289.
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Brown, Rebecca Emma. "Ecology and behaviour of vectors of Plasmodium knowlesi malaria in Sabah, Malaysian Borneo." Thesis, University of Glasgow, 2019. http://theses.gla.ac.uk/40929/.
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Over the last decade, the transmission of zoonotic malaria from non-human primates to humans has emerged as a public health problem and possible threat to malaria elimination in Southeast Asia. A major outbreak of the macaque malaria parasite Plasmodium knowlesi in humans began in Malaysian Borneo in 2004 and is now the primary cause of malaria in this region. This simian parasite is transmitted by mosquitoes in the Anopheles leucophyrus species complex. The emergence of P. knowlesi has been tightly linked to land-use change, particularly the widespread deforestation occurring in the state of Sabah where the largest focus of human infection is found. Efforts to combat this disease and understand its emergence and future spread in humans are hindered by limited knowledge of mosquito vector ecology and behaviour; and the risks of exposure to vectors in changing landscapes. This PhD aimed to address these knowledge gaps by carrying out a series of field studies near the epicentre of human P. knowlesi cases in Sabah, Malaysian Borneo, to elucidate P. knowlesi vector ecology, behaviour and transmission potential, verify associations between land-use type and human exposure risk, and characterize the dynamics of transmission within reservoir macaque populations. In combination this information will deepen understanding of P. knowlesi transmission and emergence, and provide insights for the control of this and other emerging zoonotic malarias. My initial study evaluated new sampling methods for collecting resting P. knowlesi vectors. Resting collections are valuable for characterization of mosquito habitat and host species choice, however no standard methodology is currently available for P. knowlesi vectors. I evaluated two simple traps, resting buckets and sticky resting buckets, for sampling resting P. knowlesi vectors within two villages in Kudat District, Sabah. The performance of traps was evaluated, and the relative abundance and host choice of resting mosquito vectors was compared across eight different habitat types representing a gradient of deforestation. In 5748 trap days, a total of 2212 mosquitoes were collected in resting collections, but none were malaria vector species. Culex and Aedes genera dominated collections; with the former being most abundant in resting bucket traps and CDC aspirator catches, and the latter in sticky resting bucket traps. Several other vector species were collected including the sylvatic dengue vector Aedes albopictus, and Culex vectors of filarasis and Japanese encephalitis. Consequently these simple resting traps could be effective for studying the ecology of a range of other important mosquito vectors in Sabah even if not those responsible for malaria. In a following study I investigated associations between habitat and human exposure to P. knowlesi vectors, and tested for associations between vector abundance and human infection risk across a broad geographic range in Sabah. Previous studies indicated that the primary P. knowlesi vector was An. balabacensis. This vector was more abundant in a village than forest site, conflicting with the original hypothesis that humans are at greatest risk of infection in forests and suggested the possibility of peri-domestic transmission. However this inference was drawn from a limited number of sampling sites in only one district, Kudat, within Sabah. To test this hypothesis over a broader geographical scale, I conducted extensive entomological sampling across four districts in Sabah. Human landing catches were performed to measure human biting rates in forest, farm (plantation) and peri-domestic habitats in 11 villages. Prior to entomological sampling survey of human sero-positivity to P. knowlesi was conducted in all villages, carried out as part of a larger research programme. Making use of this data, I tested for associations between vector abundance and human infection risk at the village level. The primary vector An. balabacensis was found in all four districts, but at much lower relative abundance than in pilot work from Kudat. Additionally this vector was more abundant in forest and farm habitats than in peri-domestic settings. Only 1 of the 32 An. balabacensis collected in this study tested positive for P. knowlesi; an individual caught in a forest site. No significant association between the mean abundance of An. balabacensis and human P. knowlesi sero-positivity was detected in this study. However the relatively small sample size of mosquitoes and sites used here meant there was relatively low power to detect such an effect. This study highlights the importance of incorporating geographical heterogeneity and replication when assessing mosquito-habitat associations, and the need for more intensive longer-term sampling to establish potential entomological indicators of P. knowlesi infection in humans. A final study was conducted to investigate the transmission dynamics of P. knowlesi in macaque reservoir populations. Most studies of P. knowlesi vectors have been conducted in or near disturbed forest, where both humans and macaques are in contact. It is unknown whether the same vector species involved in human-macaque infection also mediate transmission between macaques. To investigate this and other aspects of macaque-mosquito interactions, I conducted a field study within the Danau Girang Field Centre in Sabah where there is a large population of long-tailed macaques. First I evaluated the use of Mosquito Magnet Independence Traps (MMIT) as a non-invasive means to sample mosquitoes host seeking near macaque sleeping sites. The MMIT performed well relative to the human landing catch, with both methods collecting An. balabacensis and other malaria vector species. Second, MMITs were used to sample mosquitoes host seeking near trees where macaques were sleeping and at unoccupied control trees. Additionally, macaque faecal samples were tested for malaria as an estimate of infection rate in the reservoir population. Anopheles balabacensis was more abundant at macaque sleeping sites than control trees indicating this vector has a specific propensity for feeding on macaques. Approximately 37% (n = 17/46) of macaque stool samples tested positive for Plasmodium infection but none of these were identified as being P. knowlesi. Two Anopheles vectors tested positive for Plasmodium which was subsequently confirmed as the primate parasite P. inui. Thus P. inui is likely the major source of malaria infection in this primate population. This study indicates that not all macaque populations pose a P. knowlesi risk, but other malaria parasites are common and should be monitored to assess for future spillover. In combination, this research expands knowledge of P. knowlesi transmission in Malaysian Borneo, and has implications for planning surveillance and control. Notably it emphasizes the value of larger-scale surveillance of vector and macaque populations to assess human exposure risk, as and requirement of an integrated One Health approach to tackle zoonotic malaria.
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Tourchon, Patrick. "Joseph Conrad et Borneo, 1895-1920 : chronotopes bornéens dans l'oeuvre de J. Conrad." Lyon 2, 2004. http://theses.univ-lyon2.fr/documents/lyon2/2004/tourchon_p.
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Les critiques conradiens font souvent peu de cas de la topographie. De Robert Lee à John Stape, nombre d'érudits nient la pertinence des références géographiques au nom d'un allégorisme, d'un symbolisme ou d'un psychologisme plus ou moins explicite. Le point de départ de cette thèse est de remettre en question ces présupposés et d'accepter la possiblilité pour l'espace et le temps, en tant que ce sont aussi des catégories littéraires, d'être essentiels dans les romans et les nouvelles de Conrad. Dès que Conrad se réinsère ainsi dans l'espace-temps, le concept bakhtinien de chronotope devient applicable. Ce qui veut dire qu'un appareil théorique complexe et riche devient disponible. Car non seulement le chronotope réunit le temps et l'espace, mais il implique de plus une interrogation sur l'émergence du sujet, tout comme il amène à examiner les différentes voix qu'un texte donne à entendre pour une polyphonie potentielle. Le concept bakhtinien, pourvu qu'il se soutienne d'une sémiotique peircéenne et s'enrichisse de développements plus récents opérés par Lacan, couvre donc aussi bien la narratologie que la pragmatique, l'analyse que la rhétorique. Or, Joseph Conrad est un auteur si "chronotopique" qu'une typologie de ses oeuvres peut se foncer sur la localisation précise de ses décors narratifs. Parmi ces décors, Bornéo se distingue comme le lieu que Conrad n'a jamais vraiment quitté : de son premier roman (Almayer's Folly, 1895) à son avant-dernier (du moins publié) (The Rescue, 1920), il ne cesse de revisiter l'île. Une approche bakhtinienne ne pouvait donc qu'éclairer un tel signifiant insistant, et ainsi éclairer aussi les procédés créatifs de ConradConradian critics often take no account of topography. From Robert Lee to John Stape, many scholars hold geographical references as irrelevant, shifting the emphasis on alleged allegorical, symbolic or psychological aspects. The starting point of this thesis is to question such assumptions and to accept the possiblility for space and time, inasmuch as they are literary categories as well, to be essential in Conrad's novels and short stories. Once Conrad is re-inserted into space-time, the Bakhtinian concept of chronotope becomes applicable. Which means that a rich, complex theoretical appartus becomes available. For chronotopes not only merge space and time, they also imply questions about the subject's emergence, as they lead to study the various voices that can be heard in a text to form a potential polyphony. The Bakhtinina concept, provided it is backed up by a Peircean semiotics and enriched by Lacan's more recent developments, thus encompasses narratology as well as pragmatics, psychoanalysis as well as rhetoric. Now, Joseph Conrad proves so "chronotopic" a writer that a typology of his work can be based on a thorough location of his stories setting. Among these settings, Borneo stands out as the place Conrad never really left : from his first novel (Almayer's Folly, 1895) to the penultimate (published) one (The Rescue, 1920), he pays persistent visits to the island. A Bakhtinian approach could but shed light on such a recurring signifier, and therefore on Conrad's creativity
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Skog, Inge. "North Borneo gongs and the Javanese gamelan : studies in Southeast Asian gong traditions /." Stockholm : Universitet, 1993. http://catalogue.bnf.fr/ark:/12148/cb35731849p.
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Tourchon, Patrick Paccaud-Huguet Josiane. "Joseph Conrad et Borneo, 1895-1920 chronotopes borneens dans l'oeuvre de J. Conrad /." Lyon : Université Lumière Lyon 2, 2004. http://demeter.univ-lyon2.fr:8080/sdx/theses/lyon2/2004/tourchon_p.
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Gatzweiler, Franz W. "The changing nature of economic value : indigenous forest garden values in Kalimanatan, Indonesia /." Aachen : Shaker, 2003. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=012979774&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
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Nijman, Vincent Johannes. "Forest (and) primates conservation and ecology of the endemic primates of Java and Borneo /." [Wageningen] : Amsterdam : Tropenbos International ; Universiteit van Amsterdam [Host], 2001. http://dare.uva.nl/document/59301.
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Burton-Johnson, Alexander. "Origin, emplacement and tectonic relevance of the Mt. Kinabalu granitic pluton of Sabah, Borneo." Thesis, Durham University, 2013. http://etheses.dur.ac.uk/9450/.
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The generation of granitic melts, their evolution and emplacement in the crust are investigated here through a detailed multi-disciplinary study on the geology of the Mt Kinabalu pluton in the Malaysian state of Sabah, North Borneo. Implications of our findings for the tectonic history of SE Asia and the generation of continental crust are also discussed. New field data, geochemical analyses and gravity interpretations conclude that the ophiolitic basement of Sabah is not underlain by felsic crust. The ophiolite’s geochemistry and existing geochronological data support initial ophiolite emplacement at approximately 200 Ma during early Pacific subduction. A new geological map and field observations on Mt Kinabalu show construction in a laccolith style but with complex three-dimensional forms of its composite units. AMS and structural data indicate emplacement during regional NW-SE extension. Geochemical data disputes an anatectic origin. The magma of Mt Kinabalu was produced by crystallisation of hornblende and plagioclase rich cumulates from an enriched basaltic primary melt with simultaneous assimilation of biotite-rich meta-sediments. The primary melt was derived by low degree melting of a fertile mantle source, probably through extensional melting. Similar melts have occurred across South China and the South China Sea region since at least the Jurassic. Implications of the results for the generation of continental crust show both the upper and lower crust to be derived through variable degrees of fractional crystallisation from mantle melts, not through intra-crustal differentiation.