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Relevant bibliographies by topics / African coastal forest ecology / Dissertations / Theses

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Dissertations / Theses on the topic 'African coastal forest ecology'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Kraaij, Tineke. "Fire regimes in eastern coastal fynbos: drivers, ecology and management." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1008047.

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Conventional knowledge of fynbos fire ecology is based on the summer-autumn fire regimes of the western Cape Floral Kingdom (CFK) where the climate is Mediterranean. However, the climate in the eastern coastal-CFK is milder and rainfall occurs year-round, with presumed effects on fire regimes. The Garden Route National Park (GRNP) has recently been established in the region, in a landscape where indigenous forests, fire-prone fynbos shrublands and fire-sensitive plantations of invasive alien trees are interspersed. The park faces considerable challenges related to the management of fire, inclu

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2

Ott, Theresia. "The response of biological communities to spatial and temporal changes in a regenerating coastal dune forest along the north-east coast of South Africa." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/26029.

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Ecological restoration that aims to reinstate indigenous processes may be constrained by regional and local conditions, especially those that drive dispersal and colonisation. Local conditions can be managed, while regional conditions cannot. The management of costly rehabilitation programmes is considered best practice when scientifically informed. My thesis documents the responses of biological communities to a range of local conditions developing in coastal dune habitats in response to ecological restoration. Here, landscape-level (spatial structure of patches of tree canopies) local condit

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3

Tshaduli, Ndivhuwo. "Regeneration ecology of the bamboo climber Flagellaria guineensis in the Transkei Coastal Forests, Eastern Cape, South Africa." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/63350.

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Economic benefits obtained from Flagellaria guineensis, a climbing bamboo, by local people received attention in previous studies but little is known about its regeneration ecology in three different forest stand conditions, i.e. forest edges, forest gaps and mature closed-canopy stands. In the Eastern Cape of South Africa the species grows in the Transkei Coastal Forests. The main aim of this study was to assess the regeneration ecology of F. guineensis in those forests. The specific objectives were to describe the phenological state that would influence the flowering, fruiting and grow

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4

Burns, Michael Edmund Reid. "A synecological study of the East London coast dune forests." Thesis, Rhodes University, 1987. http://hdl.handle.net/10962/d1006134.

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Quantitative community descriptions, based on point quarter sample data, are made for a number of dune forest units along the East London coast. These are supported by multivariate classifications and ordinations which illustrate the inter community variation between the sampled seaward, landward and dune valley sites. Climax valley forest is floristically most characteristic and can be clearly distinguished from the seaward and landward thicket communities which tend to show a degree of similarity. Within-forest community differences are shown to be more significant than variation along the c

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5

Turner, Russell Sean School of Biological Earth &amp Environmental Science UNSW. "An airborne Lidar canopy segmentation approach for estimating above-ground biomass in coastal eucalypt forests." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Science, 2006. http://handle.unsw.edu.au/1959.4/27362.

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There is growing interest in airborne lidar for forest carbon accounting and precision forestry purposes. Airborne lidar systems offer a cost-effective, versatile, operationally flexible and robust sampling tool for forest managers. The objective of this study was to develop and test lidar canopy surface enhancement and segmentation processes for estimating dominant above-ground biomass (DAB) in a harvested eucalypt forest on the Central Coast of New South Wales (Australia). The Crown Infill, Trim and Smooth (CITS) process, incorporating a series of filters, algorithms, and selective multi-sta

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6

Klinka, Karel. "Plant diversity in old-growth and second-growth stands in the coastal rainforests of British Columbia." Forest Sciences Department, University of British Columbia, 1997. http://hdl.handle.net/2429/652.

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One of the human activities impacting biodiversity is the cutting of old-growth forests. In response to the controversy surrounding the cutting of old-growth in the coastal rainforest of BC, the Ministries of the Environment and Forests have produced biodiversity guidelines that are to be applied when manipulating stands in the provincial forest. This study augments these guidelines by investigating the diversity differences between second-growth and old-growth forests in relation to site quality. We demonstrate how standlevel plant diversity differs between 40-year-old and old-growth stand

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7

Dore, David William Biological Earth &amp Environmental Sciences (BEES) UNSW. "Application of simple physiological growth models to coastal eucalypt regrowth forests in New South Wales." Awarded by:University of New South Wales. Biological, Earth and Environmental Sciences (BEES), 2006. http://handle.unsw.edu.au/1959.4/26200.

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This thesis explores issues relating to the application of physiological-process models (???process models???) of forest growth to mixed species, mixed age forests, in particular the coastal blackbutt forests of New South Wales. Using a dataset provided by State Forests of New South Wales (Carter 1994 unpubl.) a numeric description of the forest was developed and stand-level parameters of interest were derived, in particular the plot by plot stemwood volume growth from 1975 to 1999. The amounts of harvested volume, volume that died and volume that grew into the measurement population were id

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8

Cazier, Penelope Williams. "Hardwood Forest in the Coastal Plain of Virginia East of the Suffolk Scarp." W&M ScholarWorks, 1992. https://scholarworks.wm.edu/etd/1539625724.

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9

Klinka, Karel. "Classification of natural forest communities of coastal British Columbia." Forest Sciences Department, University of British Columbia, 2001. http://hdl.handle.net/2429/668.

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Vegetation science, like any science, uses classification to organize knowledge about plants and plant communities. Classification is helpful for understanding how different plant communities relate to one another and their environments, for facilitating further studies of vegetation, and for conservation. To familiarize onself with vegetation of a large area, it is very convenient and efficient to begin with a few general units, such as plant orders rather than with many very detailed units, such as plant associations and subassociation. We offer such an approach and think that the informatio

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10

Matthesius, Arne. "Testing the Janzen-Connell model for species diversity in a West African montane forest." Thesis, University of Canterbury. Biological Sciences, 2006. http://hdl.handle.net/10092/1347.

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A major question in ecology is 'why are tropical forests so species diverse?' One hypothesis to explain tropical species diversity is the Janzen-Connell hypothesis. This model assumes high levels of host-specific seed and seedling predation and / or pathogen attack when seedlings occur at high density near to the parent tree; seedlings are more likey to survive and reach maturity the further they are away from parents / conspecific adults. Theoretically this should lead to a random distribution of each species in the forest, which in turn will lead to high species diversity. Here I test

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11

Derham, Kelly. "Wire Netting Reduces African Elephant (LOXODONTA AFRICANA) Impact to Selected Large Trees in South Africa." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1358.

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African elephants (Loxodonta africana) are ecosystem engineers in that they substantially alter the environment through their unique foraging and feeding habits. At high densities, elephants potentially have negative impacts on the environment, specifically to large trees. Because of this, recent increases of elephants in the Associated Private Nature Reserves (APNR) on the Western Boundary of Kruger National Park, South Africa have caused concern regarding the health of several species of tree. My objective was to assess the effectiveness of wrapping protective wire netting around the trunk o

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12

Mcdonald, Shannon Lee. "Understory Diversity and Succession on Coarse Woody Debris in a Coastal, Old-growth Forest, Oregon." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1045.

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This research examines the relationship between understory plant diversity and logs in a Pacific Northwest (PNW) Sitka spruce (Picea sitchensis)-western hemlock (Tsuga heterophylla) old-growth, coastal forest. These forests are renowned for their high forest productivity, frequent wind storms, and slow log decomposition rates that produce unmatched accumulations of coarse woody debris (CWD) yet few studies have examined the relationship between CWD and understory vegetation ecology. My research addressed this topic by comparing understory plant census data between paired fallen log and forest

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13

Rolek, Brian William Hill Geoffrey E. "Microhabitat associations of wintering birds in a southeastern bottomland forest within the easter Gulf coastal plain of Florida." Auburn, Ala., 2009. http://hdl.handle.net/10415/1795.

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14

Thompson, Hazell Shokellu. "The breeding biology and ecology of the White-necked Picathartes Picathartes gymnocephalus temminck 1825, in Sierra Leone." Thesis, Open University, 1997. http://oro.open.ac.uk/57719/.

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This thesis investigates the ecology, taxonomic affinities and conservation management in Sierra Leone of a threatened West African forest bird, the White-necked Picathartes Picathartes gymnocephalus, which has not been previously studied in detail. The incubation and nestling periods (20 and 25 days) respectively were longer than is usual for most tropical passerines. In most cases, one clutch of two eggs was laid between June and December, immediately followed by moult between January and May (the dry season). Peaks in egg laying occurred 1-2 months after the maximum monthly rainfall. Both p

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15

Fetherston, Kevin L. "Pattern and process in mountain river valley forests /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/5563.

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16

Skov, Martin Wiggers. "Reproduction and feeding ecology of East African mangrove crabs, and their influence on forest energy flow." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250459.

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17

Fishlock, Victoria L. "Bai use in forest elephants (Loxodonta africana cyclotis) : ecology, sociality & risk." Thesis, University of Stirling, 2010. http://hdl.handle.net/1893/2758.

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Forest elephant (Loxodonta africana cyclotis) sociality is relatively little-studied due to the difficulties of making direct observations in rainforests. In Central Africa elephants aggregate at large natural forest clearings known as bais, which have been postulated to offer social benefits in addition to nutritional resources. This thesis explores the role of these clearings as social arenas by examining bai use within three main themes; ecology, sociality and risk factors. Seasonal changes in elephant use of the Maya Nord bai (Republic of Congo) are described, along with the demography of

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18

Ogurcak, Danielle E. "The Effect of Disturbance and Freshwater Availability on Lower Florida Keys’ Coastal Forest Dynamics." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2288.

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Coastal forest retreat in the Florida Keys during the 20th century has been attributed to a combination of sea level rise and hurricane storm surge impacts, but the interactions between these two disturbances leading to forest decline are not well understood. The goal of my research was to assess their effects over a period spanning more than two decades, and to examine the relationships between these press and pulse disturbances and freshwater availability in pine rockland, hardwood hammock, and supratidal scrub communities. Impacts and recovery from two storm surges, Hurricanes Georges (1998

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19

Jalba, Adriana. "Risk assessment for linear alkylbenzene sulfonates in Mediterranean coastal forest exposed to marine aerosols: a physiological perspective." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209974.

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The aim of this study was to understand the contribution of Linear Alkylbenzene Sulfonates (LAS) to the decline of Mediterranean coastal forest exposed to marine aerosols. LAS are a group of synthetic anionic surfactants widely used in the composition of household or industrial detergents and agrochemicals. This study was part of a large project (RISICO) aiming the assessment of the environmental impact of the LAS at multiple levels: biodegradation in the coastal waters, sorption – desorption processes in the sediments, toxicity to the aquatic life and toxicity to the coastal forest (by aeroso

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20

Cole, Lydia Eve Spencer. "Disturbance, recovery and resilience in tropical forests : a focus on the coastal peat swamp forests of Malaysian Borneo." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:a135aff3-ea84-4766-8046-b3bb4ce31275.

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Tropical forests have existed for up to one hundred million years, and today provide many ecosystem services vital for human well-being. They also harbour great biodiversity, which, in addition to its intrinsic value, plays a key role in the functioning of these ecosystems. Despite their local to global significance, there are still many knowledge gaps concerning the dynamic processes that govern the functioning of tropical forests. Rapid rates of deforestation and landscape conversion, predominantly for logging and industrial agriculture, are limiting the time and opportunity available to col

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21

Gaugris, Jerome Yves. "The impacts of herbivores and humans on the utilisation of woody resources in conserved versus non-conserved land in Maputoland, northern KwaZulu-Natal, South Africa." Connect to this title online, 2008. http://upetd.up.ac.za/thesis/available/etd-06052008-162658.

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22

McAlister, Gareth. "You don't love your mother just because she feeds you : amaXhosa and woodlands in the Peddie district, Eastern Cape." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1006044.

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This thesis will discuss how the application of place theory might provide insight into how a selection of Xhosa-speaking people in a rural village (Ntloko), in the former Ciskei of the Eastern Cape, interact with and establish relationships with the local indigenous thicket forest (ihlathi). I am concerned with how these influence residents' perceptions and attitudes (relational epistemologies) towards this resource, and how these may (or may not) translate into conservation practices. I am also interested in how socio-political and economic changes have altered these people/place relations (

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23

Bechara, Fernando Campanhã. "Unidades demonstrativas de restauração ecológica através de técnicas nucleadoras: Floresta Estacional Semidecidual, Cerrado e Restinga." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-22082006-145733/.

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Refazer ecossistemas de forma artificial representa um desafio de iniciar um processo de sucessão o mais semelhante possível aos processos naturais. A recuperação ambiental tem se baseado no modelo da silvicultura tradicional, plantandose árvores sob espaçamento 3 x 2 m, em área total, com altos insumos de implantação/manutenção, e gerando-se bosques desenvolvidos em altura, porém com baixa diversidade de formas de vida e regeneração. Técnicas nucleadoras de restauração formam microhabitats em núcleos propícios para a chegada de uma série de espécies de todas as formas de vida, que num process

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24

Boyemba, Bosela Faustin. "Ecologie de Pericopsis elata (Harms) Van Meeuwen (Fabaceae), arbre de forêt tropicale africaine à répartition agrégée." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209883.

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Pericopsis elata is an African forestry species commercialized under the vernacular names afrormosia or assamela. It is one of the principal species commonly exploited for timber in the Democratic Republic of Congo (DRC) and in a lesser extent in Cameroon and Congo. In view of its sustainable resource exploitation, the species is in centre of numerous polemics notably in the European Union. It is one of the rare commercialized species that produce wood, since 1992, as listed in the CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) annex II specifying that

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25

Wassenaar, Theodorus Dallein. "Coastal dune forest regeneration : the response of biological communities to rehabilitation." Thesis, 2004. http://hdl.handle.net/2263/24545.

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Human appropriation of natural resources, and the consequent loss of habitats, means that ecological restoration may in the future become a vital conservation tool. For this to happen, we have to understand the processes and factors that govern community assembly, and their management. Here I analyze data on community structure (richness, evenness, diversity, composition) of assemblages (millipedes, spiders, dung beetles, plants, birds, rodents), and on soil chemical and physical properties, to describe and evaluate post-disturbance dune forest regeneration patterns. Data were collected from p

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26

"The influence of the monocarpic herb, Isoglossa woodii, on subtropical forest tree dynamics and diversity." Thesis, 2009. http://hdl.handle.net/10413/2718.

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Dominant understorey species, such as herbs, ferns, palms and shrubs may influence forest tree species diversity and dynamics. Their influence may be through shading the forest floor, thereby affecting regeneration of shade-intolerant species and reducing species diversity, or it may be through competition with seedlings for space and belowground resources, thus modifying or changing the structure of the forest. These effects may be compounded if the life cycle of the understorey species consists of synchronized reproductive and mortality events. This study examines the influence of a dominant

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27

Boyes, Lauren J. "Regeneration failure and the Acacia karroo successional pathway in coastal dune forests in KwaZulu-Natal, South Africa." Thesis, 2007. http://hdl.handle.net/10413/4707.

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Monospecific stands of Acacia karroo establish naturally on disturbed coastal dunes in KwaZulu-Natal, South Africa. While the A. karroo successional pathway is successful in rehabilitating mined dunes at the Richards Bay Minerals mining company (RBM), the same pathway has become arrested in the coastal dune forest at Cape Vidal in the Greater St. Lucia Wetland Park. This study examines the efficacy of the A. karroo successional pathway for restoring disturbed coastal dune forests. Dispersal of seeds and successful recruitment of seedlings are essential for habitat restoration. Seed and seedlin

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28

Nzunda, Emmanuel F. "Resprouting and multi-stemming and the role of the persistence niche in the structure and dynamics of subtropical coastal dune forest in KwaZulu-Natal province, South Africa." Thesis, 2008. http://hdl.handle.net/10413/76.

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Resprouting is an important means of plant regeneration especially under conditions that do not favour regeneration through seeding such as frequent disturbances, low productivity, unfavourable soil conditions, extreme cold and limited understorey light availability. Sprouts may be advantageous over seedlings because they have higher survival and growth rates than seedlings, since they use resources from parent plants unlike seedlings that have to acquire their own resources. Resprouting is well documented for ecosystems that experience severe disturbances that damage aboveground biomass. For

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29

Theron, Leon-Jacques. "Distribution and abundance of rodents, millipedes and trees in coastal dune forests in northern KwaZulu-Natal." Diss., 2001. http://hdl.handle.net/2263/23556.

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A widely observed pattern in nature is a positive relationship between local abundance and spatial distribution. This study investigates this relationship amongst three taxa namely rodents, millipedes and trees on regenerating and unmined coastal dune forests at Richards Bay, KwaZulu-Natal. No sensible analyses were possible on the rodent data. Both millipedes and trees had a positive relationship between local abundance and distribution (measured as species incidence). Millipedes showed no changes in the relationship with changes in habitat regeneration time. For trees, the regression slope d

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30

Sutherland, Elizabeth F. "Fire, resource limitation and small mammal populations in coastal eucalypt forest." 1998. http://ses.library.usyd.edu.au/handle/2123/5344.

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31

Cleminson, Tania. "Quantification of the resource base and impact of harvesting of coastal hardwood species by a rural community." Thesis, 1993. http://hdl.handle.net/10539/22826.

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Research report submitted in partial fulfillment of requirements for the degree of Master of Science in Quantitative Conservation Biology at the University of the Witwatersrand, Johannesburg.<br>The study aimed: (1) to provide baseline data on aspects of wood utilisation in a resource area and a communal area In KwaZulu, (2) to investigate the effects of this wood utilisation on the resource base, and (3) to discuss the sustainability of current wood. utilisation. Wood utilisation in this study refers to the harvesting of dead and livewood for fuelwood, building poles and fencing posts. (Abb

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32

Degger, Natalie. "The application of passive artificial devices for monitoring of metallic and organic pollutants along the South African coastline." Thesis, 2012. http://hdl.handle.net/10210/4745.

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33

Lopez-Ulloa, Ruth Magdalena. "Soil ecosystem services in different land use types in coastal Ecuador." Doctoral thesis, 2006. http://hdl.handle.net/11858/00-1735-0000-0006-B195-0.

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34

Oppelt, Armin L. "Root morphology of co-occurring African fruit tree species with contrasting strategies of exploration and exploitation." Doctoral thesis, 2003. http://hdl.handle.net/11858/00-1735-0000-0006-B148-F.

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