Dissertations / Theses on the topic 'Australia's biodiversity'
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Rhodes, Monika, and n/a. "The Ecology and Conservation of the White-Striped Freetail Bat (Tadarida australis) in Urban Environments." Griffith University. Australian School of Environmental Studies, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20070314.114451.
Full textRhodes, Monika. "The Ecology and Conservation of the White-Striped Freetail Bat (Tadarida australis) in Urban Environments." Thesis, Griffith University, 2006. http://hdl.handle.net/10072/367292.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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Presti, Maia M. "Designing For The Continued Survival Of Wildlife: A Case Study On Wildlife Habitat Design In Australia's Alice Springs Desert Park." Scholarship @ Claremont, 2018. http://scholarship.claremont.edu/scripps_theses/1136.
Full textKloser, Rudolf J. "Seabed biotope characterisation based on acoustic sensing." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/524.
Full textKloser, Rudolf J. "Seabed biotope characterisation based on acoustic sensing." Curtin University of Technology, Faculty of Science and Engineering, Department of Imaging and Applied Physics, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18566.
Full textThese ecological terrain types of soft-smooth, soft-rough, hard-smooth and hard-rough were chosen as they were the most relevant to the biota in their ability to attach on or burrow into the seabed. A seabed scattering model supported this empirical relationship and the overall shape of backscatter to incidence angle relationship for soft and hard seabed types. The correlation between acoustic data (backscatter mean and standard deviation) and the visual and physical samples was most consistent between soft-smooth and hard-rough terrain types for a large range of incidence angles (16o to 70o). Using phenomenological backscatter features segmented into 10 common incidence angle bins from -70o to 70o the length resolution of the data decreased to 0.55 times depth. The decreased resolution was offset by improved near normal incidence (0o to 30o) seabed type discrimination with cross validation error reducing from 32% to 4%. A significant relationship was also established between the acoustic data and the dominant functional groups of fauna. Faunal functional groups were based on the ecological function, feeding mode and substrate preference, with 8 out of the 10 groups predicted with 70% correctness by the four acoustically derived ecological terrain types. Restricting the terrain classification to simple soft and hard using the acoustic backscatter data improved the prediction of three faunal functional groups to greater than 80%. Combining the acoustic bathymetry and backscatter data an example region, Everard Canyon, was interpreted at a range of spatial scales and the ability to predict the preferred habitat of a stalked crinoid demonstrated.
Seabed terrain of soft and hard was predicted from the acoustic backscatter data referenced to a common seabed incidence angle of 40o. This method of analysis was selected due to its combined properties of high spatial resolution, consistent between terrain discrimination at the widest range of incidence angles and consistent data quality checking at varying ranges. Based in part on the research reported in this thesis a mid-depth Simrad EM300 multibeam sonar was purchased for use in Australian waters. A sampling strategy is outlined to map all offshore waters with priority within the 100 m to 1500 m depths.
Dhanasekaran, Vijaykrishna. "Freshwater fungi biodiversity, origins and molecular taxonomy /." Thesis, Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B32017583.
Full textAzarbayjani, Fathollah Fathi, of Western Sydney Hawkesbury University, Faculty of Science and Technology, and School of Science. "Assessment of estimators and factors affecting arboreal arthropod biodiversity on Melaleuca Linariifolia." THESIS_FST_SS_Azarbayjani_F.xml, 1997. http://handle.uws.edu.au:8081/1959.7/246.
Full textDoctor of Philosophy (PhD)
Smith, Graeme. "The contribution of silverfish (insecta: zygentoma) to Australian invertebrate biodiversity and endemism." Thesis, Federation University Australia, 2018. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/164489.
Full textDoctor of Philosophy
Noonan, David J. "Toward a bioregional policy and practice for the conservation of threatened biodiversity /." Title page, contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09ENV/09envn817.pdf.
Full textHaouchar, Dalal. "Using ancient DNA to investigate extinction, extirpation and past biodiversity of Australian macropods." Thesis, Haouchar, Dalal (2016) Using ancient DNA to investigate extinction, extirpation and past biodiversity of Australian macropods. PhD thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/32550/.
Full textZuiddam, Sharon Angela. "A revision of the Western Australian species of the Australian harvestman genus Nunciella (Opiliones: Triaenonychidae)." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2015. https://ro.ecu.edu.au/theses/1636.
Full textFitzsimons, James Andrew, and mikewood@deakin edu au. "The contribution of Multi-tenure reserve networks to biodiversity conservation." Deakin University. School of Ecology and Environment, 2004. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050817.103606.
Full textRadford, Benedict. "Cross-shelf coral reef biodiversity : does data and ecological theory fit with habitat-based species conservation models?" University of Western Australia. School of Earth and Geographical Sciences, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0212.
Full textDorjgurhem, Batbold. "Regional biodiversity management strategy : case study on the Flinders Ranges." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09AS/09asd699.pdf.
Full textJust, Michael. "Understanding the seed ecology of southwest Australian Rutaceae to improve restoration in a biodiversity hotspot." Thesis, Curtin University, 2022. http://hdl.handle.net/20.500.11937/88660.
Full textReeve, Martin. "Fragmented landscape and fragmented law : threatened species management in South Australia /." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ENV/09envr331.pdf.
Full textClemente, Pedro Miguel Rodrigues Jacinto. "Designing market-based instruments for biodiversity conservation: learning with the Australian experience and evaluating Portugal's potential." Master's thesis, FCT - UNL, 2009. http://hdl.handle.net/10362/2662.
Full textBiodiversity has been increasingly recognized as one of the key elements in human development and well-being. The loss of biodiversity is considered alarming not only because of its ethical and esthetical value, but also, because it comprises a variety of services essential for the health, regulation and prosperity of the biosphere. Given their significance, one might expect that the ecosystem services would be prized by markets and explicitly protected by the law, however, neither has been the case. International experience has shown that market-based instruments (MBIs), which basically provide economic incentives to modify behaviour, may be a more effective way to achieve many environmental goals, often yielding better results by harnessing the powerful cost-benefit motivations of businesses and individuals. This study intends to demonstrate the potential of market-based instruments in biodiversity conservation, particularly in protected areas. However biodiversity is not restricted to the network of national parks and other protected areas on state-owned land, it also needs to be protected and managed on privately-owned land. The goal of this work is to design a MBI, to be implemented in Portugal, in order to incentive private landowners in protected areas to achieve economic and social development without depleting the natural capital available. The design of the instrument started with the assessment of MBIs already running, with a special focus in the Australian experience. A methodology is proposed for that assessment in order to standardize the approach and analysis of this type of instrument. To overcome uncertainties and to get more information on the likely costs and benefits it is considered preferable to use an already trialled mechanism as basic framework. The instrument is designed using the basics of the Liverpool Plains Scheme (Australia), but some changes are introduced to improve it and make it more suitable to Portuguese reality. A potential target area in Portugal is selected according to several criteria, as a case study to illustrate the instrument application. It is proposed an implementation program and schedule. MBIs offer an opportunity to integrate biodiversity conservation into the economic market, however without a strong economic foundation, designing market mechanisms can result in costly mistakes. The success of this instrument will mainly depend on the ability to motivate the landowners to participate, in order to create competition between them, which will result in better outcomes at a lower cost. On the other hand, the ability to involve companies in the scheme, basically increasing the demand, will be decisive to its economic sustainability and growth. These are the keys features that will decide the success or failure of its implementation.
Bohigas, Ivar. "Indigenous peoples, protected areas and biodiversity conservation : a study of Australia´s obligations under international law." Thesis, Stockholms universitet, Juridiska institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-120750.
Full textPert, Petina Lesley, and petina pert@bigpond com. "Biodiversity Conservation at the Bioregional Level: a case study from the Burt Plain Bioregion of Central Australia." RMIT University. Mathematical and Geospatial Sciences, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070209.120654.
Full textWeaver, Haylee Jade, and haylee weaver@anu edu au. "BIODIVERSITY OF THE PARASITE FAUNA OF THE RODENT GENERA ZYZOMYS THOMAS, 1909 AND PSEUDOMYS GRAY, 1832 FROM NORTHERN AUSTRALIA." Central Queensland University. Dept. Molecular and Life Sciences, 2008. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20081005.153246.
Full textLeach, Elliot. "Monitoring the effects of climate change on the rainforest birds of eastern Australia." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/379569.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Environment and Sc
Science, Environment, Engineering and Technology
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Rule, Beau Brenton. "Ediacaran biodiversity : palaeoecological assessment of successive latest Proterozoic (Neoproterozoic) faunal assemblages in the Western Flinders Ranges, South Australia /." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09SB/09sbr9352.pdf.
Full textLyons, Anita Marie. "Oil mallee plantings and arthropod biodiversity in the Western Australian wheatbelt : effects of host species, nutrition, and leaf chemistry." Thesis, Curtin University, 2008. http://hdl.handle.net/20.500.11937/1620.
Full textMolloy, Shaun. "Applying the principles of spatial modelling to the management of biodiversity in the fragmented landscapes of south-western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/870.
Full textWilliams, Matthew R. "Diversity of butterflies and day-flying moths in urban habitat fragments, south-western Australia." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/1757.
Full textLiang, Weiguang, University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "Impact of horticultural mineral oil and synthetic pesticides on arboreal and soil fauna biodiversity within citrus orchard ecosystems." THESIS_CSTE_SFH_Liang_W.xml, 2002. http://handle.uws.edu.au:8081/1959.7/121.
Full textDoctor of Philosophy (PhD)
Williams, Matthew R. "Diversity of butterflies and day-flying moths in urban habitat fragments, south-western Australia." Curtin University of Technology, Department of Environmental Biology, 2009. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=129025.
Full textThese objectives were achieved and the principal findings of the research are: (i) The transect method provides an accurate assessment of butterfly species richness in isolates provided that the level of sampling (proportion of area surveyed) is adequate, that sufficient surveys are conducted during the flight season to ensure high levels of detectability, and that surveys are conducted at appropriate times and during suitable weather conditions. Although randomly placed transects are preferable, logistic constraints often dictate the use of existing pathways, roadsides or management tracks – which requires the use of longer transects but is more practical in urban remnants.
(i) The transect method provides an accurate assessment of butterfly species richness in isolates provided that the level of sampling (proportion of area surveyed) is adequate, that sufficient surveys are conducted during the flight season to ensure high levels of detectability, and that surveys are conducted at appropriate times and during suitable weather conditions. Although randomly placed transects are preferable, logistic constraints often dictate the use of existing pathways, roadsides or management tracks – which requires the use of longer transects but is more practical in urban remnants.
(iii) Almost a century of fitting species–area curves has failed to produce agreement on which function is the best model of the relationship. Many of the proposed functions are identical, special cases of others or have arisen from transcription errors. Empirical comparison of these functions requires methods suited to the distribution of species number such as the generalized linear model, method of maximum likelihood and the information-theoretic approach, and proper attention to covariates and their interactions.
(iv) Site area and vegetation condition were the dominant determinants of the presence, abundance and total species richness of resident butterflies and day-active moths in 46 urban habitat fragments in south-west Western Australia. Larger sites with more high quality (undisturbed) vegetation favoured 16 of 20 native species and only one benefited from disturbance. A further nine species not sufficiently widespread or abundant to enable individual analysis were collectively more prevalent in larger sites. Resource quality and quantity dominated the patterns of site occupancy, and increased site connectivity did not favour any species – results consistent with habitat resources, not metapopulation effects, determining current distribution patterns. As expected, the presence of non-resident species was unaffected by site area. The total number of resident species at each site reflected the collective responses of the individual species: increasing with area and declining with vegetation disturbance. The effects of area and vegetation quality were not simply additive: disturbance had a far greater impact on small remnants. This interaction is inconsistent with the area per se hypothesis: in the absence of disturbance there was no evidence of a species–area effect.
This study is the first comprehensive, quantitative assessment of the distribution and ecology of butterflies and day-flying moths in Australian urban habitat fragments and provides a baseline against which future changes in species distributions may be measured. The results have important implications for the conservation of butterflies and day-flying moths in the region. Maintenance of vegetation quality is of paramount importance and is vital in smaller remnants. Large remnants, being less susceptible to local extinctions, will be essential for the persistence of many species. Many functions have been proposed to model the species–area relationship but empirical comparisons have been hindered by methodological problems – this study conducted a re-examination of the relationship and presents an appropriate framework to compare functions. This study is also one of few to demonstrate and quantify the importance of interactions in explaining patterns of species richness and should stimulate future research into the importance of these effects.
McElhinny, Chris. "Quantifying stand structural complexity in woodland and dry sclerophyll forest, South-Eastern Australia /." View thesis entry in Australian Digital Theses Program, 2005. http://thesis.anu.edu.au/public/adt-ANU20060322.133914/index.html.
Full textGrimbacher, Peter Siegfried. "Beetle Assemblage Responses to Rainforest Deforestation and Reforestation in North-Eastern Australia." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/365285.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
Faculty of Environmental Studies
Full Text
Saraswati, Anandashila. "Swamp : walking the wetlands of the Swan Coastal Plain ; and with the exegesis, A walk in the anthropocene: homesickness and the walker-writer." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/588.
Full textPrendergast, Kit Stasia. "Urban native bee assemblages and the impact of the introduced European honeybee on plant-pollinator networks in the southwest Australian biodiversity hotspot." Thesis, Curtin University, 2020. http://hdl.handle.net/20.500.11937/84947.
Full textAdolphson, Honi M. "Acari (Mite) Abundance And Diversity In Soil And Litter Layers Of Eucalyptus Globulus Labill (Tasmanian bluegum) Plantations In Southwest Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2000. https://ro.ecu.edu.au/theses/1542.
Full textGimnich, France. "Molecular approaches to the assessment of biodiversity in limnic gastropods (Cerithioidea, Thiaridae) with perspectives on a Gondwanian origin." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2015. http://dx.doi.org/10.18452/17264.
Full textDue to their limited potential of dispersal and habitat fidelity, limnic gastropods tend to preserve distribution patterns over long periods of time and are suitable organisms in biogeographical research. In this thesis intensive investigations into the phylogeography of Australian freshwater snails are provided, presenting the first molecular study of the Thiaridae (Caenogastropoda: Cerithioidea) based on DNA sequence markers and amplified fragment length polymorphisms. The aim of this study is to determine the historical events that may have influenced their presence on the Australian continent. In general, the origin of Australian freshwater faunal elements and the directionality and timing of colonizations are still controversial. Conventionally, many biotic elements found in Australia today are considered to be recent invaders from the Indo-Malay archipelago but more and more cases have become known that deviate from this standard scenario. In order to test whether the thiarids represent recent invaders or if they originated on the Australian continent, the evolutionary relationships within the family as well as its phylogenetic position in the superfamily Cerithioidea is analysed. A molecular clock approach is applied so that the dispersal events can be related to historical tectonical changes. By comparison of the molecular phylogenies, as well as the distributional data, the fossil record and divergence date estimates in conjunction with the excellent record of Earth history the long-held view that the thiarid fauna is an appendage to the southeast Asian biota can be rejected. Instead, an Australian continental, i.e. East-Gondwanian origin is found to be the most parsimonious explanation of the present distribution. With their now assumed long history on the continent, thiarids represent an important model system in speciation research which provides details of the dynamics of the underlying mechanisms of speciation under the influence of climate change.
Moon, Desiree L. "A Study of the Spatial Dynamics of some Introduced Avian Species in the Southwest Region of Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/690.
Full textTucker, David Ian. "The assessment of ecological condition in south-east Queensland, Australia: An evaluation of reliability across variable environments and surrogate efficacy for biodiversity values." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/94285/1/David_Tucker_Thesis.pdf.
Full textBarnes, Peter Brendan. "Environmental impacts and the ecology of sponges and ascidians in south-eastern Australian coastal lakes and lagoons." Department of Biological Sciences - Faculty of Science, 2009. http://ro.uow.edu.au/theses/849.
Full textMcQuillan, Lea. "Species richness, density and cover of sponge assemblages on temperate reefs off Perth, Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2006. https://ro.ecu.edu.au/theses/359.
Full textSmith, Lia. "Biodiversity monitoring using environmental DNA: Can it detect all fish species in a waterbody and is it cost effective for routine monitoring?" Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2017. https://ro.ecu.edu.au/theses/1985.
Full textTaukulis, Fiona E. "Diatom communities in lakes and streams of varying salinity from south-west Western Australia : distribution and predictability." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/2164.
Full textMcElhinny, Chris, and chris mcelhinny@anu edu au. "Quantifying stand structural complexity in woodland and dry Sclerophyll Forest, South-Eastern Australia." The Australian National University. Centre for Resource and Environmental Studies, 2005. http://thesis.anu.edu.au./public/adt-ANU20060322.133914.
Full textNakamura, Akihiro. "Development of Soil and Litter Arthropod Assemblages in Rainforest Restoration." Thesis, Griffith University, 2008. http://hdl.handle.net/10072/367553.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Environment
Faculty of Science, Environment, Engineering and Technology
Full Text
Vanderklift, Matthew A. "Influence of adjacent seagrass on the fish assemblages off sandy beaches." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 1996. https://ro.ecu.edu.au/theses/946.
Full textTaukulis, Fiona E. "Diatom communities in lakes and streams of varying salinity from south-west Western Australia : distribution and predictability." Curtin University of Technology, Dept. of Environmental Biology, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=17715.
Full textThe community structure of diatoms in relation to varying salinity concentration was explored. An artificial substrate collector (JJ periphytometer) was used to standardise sampling and ensure diatom assemblages were representative of ambient water quality. A total of 217 taxa were identified with the highest diversity observed in freshwater sites (up to 33 species), and limited to less than 15 in hypersaline waters. According to BIOENV, salinity was the key factor influencing diatom community structure. SIMPER analysis found a number of discriminating taxa between salinity ranges, specifically between assemblages from freshwater and hypersaline sites. Taxa such as Achnanthidium minutissimum and Gomphonema parvulum were indicative of freshwaters. In comparison, Amphora coffeaeformis and Nitzschia ovalis were associated with hypersaline water bodies. Diatom community structure was also examined from 20 hypersaline wetlands in the wheatbelt region with varying pH. Characteristic taxa including Amphora coffeaeformis, Hantzschia sp. aff. baltica and Nitzschia ovalis showed a wide tolerance to salinity and pH, or hypersaline acidic conditions. BIOENV analysis found there were no observable differences between diatom assemblages in relation to salinities above 50 ppt and that pH was highly correlated to species composition. The increasing occurrence of acid saline lakes is of concern and is most likely attributable to deep drainage practices and continued use of fertilisers in agricultural areas.
A diatom-based transfer function was developed from the south-west dataset, to document species optima and tolerance limits to salinity. CCA analysis showed that salinity accounted for a significant and independent amount of variation in the diatom data enabling an inference model to be derived. The most successful model was generated using tolerance-downweighted weighted averaging, with a high coefficient of determination and low prediction errors that remained high after jackknifing. The optima of freshwater diatoms were similar to those reported from other regions of the world, although the optima of hypersaline species tended to be higher. Comparatively, the model performed very well, with the potential to be applied in future paleolimnological studies. In conclusion, this study has shown diatoms to be effective biomonitoring tools, providing the basis for future sampling strategies that assess the biodiversity of salt-affected water bodies in Western Australia. Potential indicator species from different salinity ranges were identified and the sensitivity of diatoms allowed for the development of a statistically robust inference model for the south-west. The reported optima and tolerance limits of important taxa may be further explored to evaluate the success of remediation measures implemented for secondary salinised systems in this region.
Delnevo, Nicola. "Conospermum undulatum: insights into population genetics and pollination ecology of a threatened species." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2020. https://ro.ecu.edu.au/theses/2398.
Full textGuthrie, Ruth J. "Patterns of invertebrate distribution and abundance on Cordyline australis in human-modified landscapes." Diss., Lincoln University, 2008. http://hdl.handle.net/10182/1235.
Full textPentland, Craig. "Behavioural ecology of the black-flanked rock-wallaby (Petrogale lateralis lateralis): Refuge importance in a variable environment." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2014. https://ro.ecu.edu.au/theses/1280.
Full textAlexander, Jane. "Ecology of long-tailed bats Chalinolobus tuberculatus (Forster, 1844) in the Waitakere Ranges: implications for monitoring." Lincoln University, 2001. http://hdl.handle.net/10182/1682.
Full textBurnett, Peter Keith. "Australia's National Approach to 'Ecologically Sustainable Development': Success in Principle, Failure in Policy, Still in Prospect." Phd thesis, 2018. http://hdl.handle.net/1885/156800.
Full textLentini, Pia Eloise. "The conservation value of Australia's stock route network : a multi-taxonomic approach to management and planning." Phd thesis, 2012. http://hdl.handle.net/1885/149871.
Full textPerry, Justin James. "Fire management and biodiversity in Northern Australia." Thesis, 2016. https://researchonline.jcu.edu.au/48796/1/48796-perry-2016-thesis.pdf.
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