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Dissertations / Theses on the topic 'Wetland ecology Australia'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Shahrestani, Nakisa. "An ecological characterisation of a shallow seasonal claypan wetland, Southwestern Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2017. https://ro.ecu.edu.au/theses/2045.

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Perched, seasonal claypans of southwestern Australia are poorly understood in terms of their ecological character, such as relationship between hydrology and their biota. An example is Little Darkin Swamp, located on the Darling Plateau in southwestern Australia. The overall aim of this thesis was to describe its ecological character, to understand what drives this claypan system and how its ephemeral nature affects wetland processes and functions. This study first comprised a detailed characterisation of the wetland’s attributes, following the geomorphic-hydrological approach proposed by Seme

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2

Burkett, Danny, and danny burkett@deakin edu au. "Nutrient contribution to hyper-eutrophic wetlands in Perth, Western Australia." Deakin University. School of Life and Environmental Sciences, 2005. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20071115.082506.

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This thesis investigates nutrient contribution to six hyper-eutrophic lakes located within close proximity of each other on the Swan Coastal Plain and 20 kilometres south of the Perth Central Business District, Western Australia. The lakes are located within a mixed land use setting and are under the management of a number of state and local government departments and organisations. These are a number of other lakes on the Swan Coastal Plain for which the majority are less than 3 metres in depth and considered as an expression of the groundwater as their base is below the regional groundwater

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3

Ujma, Susan. "A comparative study of indigenous people's and early European settlers' usage of three Perth wetlands, Western Australia, 1829-1939." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/547.

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This study takes as its focus the contrasting manner in which the Nyoongar indigenous people and the early European settlers utilised three wetland environments in southwest Australia over the century between 1829 and 1939. The thesis offers both an ecological and a landscape perspective to changes in the wetlands of Herdsman Lake, Lake Joondalup and Loch McNess. The chain of interconnecting linear lakes provides some of the largest permanent sources of fresh water masses on the Swan Coastal Plain. This thesis acknowledges the importance of the wetland system to the Nyoongar indigenous people.

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4

Lambert, David J., and n/a. "Ecology of invertebrates and predator - prey interactions on mosquito larvae in urban wetlands, ACT Australia." University of Canberra. Applied Science, 1989. http://erl.canberra.edu.au./public/adt-AUC20060815.125401.

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Giralang Pond was a water body, with little emergent or submerged vegetation, designed to trap fine sediment and buffer input of rising water to Ginninderra Wetland downstream. Ginninderra Wetland was designed to retain and use sediment nutrients and other potential hazardous materials in urban run-off. Water in the Wetland was more turbid and had lower magnesium concentration, redox potentials and dissolved oxygen concentration than did Giralang Pond. Water temperature was a minimum of 4 °C in the winter and reached a summer maximum of 30 °C Giralang Pond had more organisms but fewer taxa tha

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5

Rea, Naomi. "The influence of water regime on the population ecology of two emergent macrophytes in South Australia /." Title page, contents and summary only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phr281.pdf.

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6

Ryder, Darren Stuart. "Origin and fate of organic matter in South-West Australian wetlands." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2000. https://ro.ecu.edu.au/theses/1533.

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The development and local distribution of organic soils in Australia have been poorly documented. Within Western Australia, conditions conducive to the accumulation of organic matter are geographically restricted and generally occur in coastal and/or forested landscapes. An extensive system of wetlands with peal soils occurs in the Muir-Unicup region in the far south west of Western Australia. Bokarup Swamp, Kodjinup Swamp and Noobijup Lake are representative of the wetlands occurring in this region. They arc shallow (

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7

Lund, Mark Andrew. "Aspects of the ecology of a degraded Perth wetland (Lake Monger, Western Australia) and implications for Bio manipulation and other restoration techniques." Thesis, Lund, Mark Andrew (1992) Aspects of the ecology of a degraded Perth wetland (Lake Monger, Western Australia) and implications for Bio manipulation and other restoration techniques. PhD thesis, Murdoch University, 1992. https://researchrepository.murdoch.edu.au/id/eprint/51730/.

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Lake Monger (3204'S 115°20'E) was sampled intensively (18 occasions) between October 1988 and October 1989. Ordination and classification of the water chemistry, plankton and macroinvertebrates revealed three seasonal groups, spring/summer, summer/autumn and winter. In terms of the water chemistry these groups corresponded to periods of hypertrophy, eutrophy and mesotrophy respectively. The lake was found to be shallow (1-1.5 m deep) and polymictic. Internal release from the sediments was believed to be responsible for the high levels of P (> 700 jig L1) recorded during summer. In summer, the

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8

Linke, Simon, and n/a. "River conservation planning: accounting for condition, vulnerability and connected systems." University of Canberra. Resource, Environmental & Heritage Sciences, 2006. http://erl.canberra.edu.au./public/adt-AUC20070716.155500.

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Conservation science in rivers is still lagging behind its terrestrial and marine counterparts, despite increasing threats to freshwater biodiversity and extinction rates being estimated as five times higher than in terrestrial ecosystems. Internationally, most protected rivers have been assigned reserve status in the framework of terrestrial conservation plans, neglecting catchment effects of disturbance. While freshwater conservation tools are mainly index based (e.g. richness, rarity), modern terrestrial and marine conservation planning methods use complementarity-based algorithms - proven

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9

Galeotti, David M. "Metapopulation theory explains Black-stripe Minnow (Pisces: Galaxiidae, Galaxiella nigrostriata) distribution in seasonal wetlands in south-west Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/708.

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The objective of this project was to determine if Galaxiella nigrostriata populations could belong to a metapopulation. Metapopulation theory describes how multiple populations with occasional connectivity are a ‘population of populations’. Some populations’ habitats have optimal conditions (source habitats), others experience regular extinctions (sink habitats). Connectivity allows repopulation of extinct or uninhabited habitats. Galaxiella nigrostriata occurred randomly in 11 seasonal wetlands in the Kemerton wetland complex in south-west Western Australia over a 16 year period. The wetlands

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10

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.

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This project is comprised of a creative work and accompanying exegesis. The creative work is a collection of poetry which examines the history and ecology of the wetlands and river systems of the Swan Coastal Plain, and which utilises the practice of walking as a research methodology. For the creative practitioner walking reintroduces the body as a fundamental definer of experience, placing the investigation centrally in the corporeal self, using the physical senses as investigative tools of enquiry. As Rebecca Solnit comments in her history of walking, ‘exploring the world is one of the best

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11

Long, Arin Lexine. "Distribution and Drivers of a Widespread, Invasive Wetland Grass, Phragmites australis, in Great Salt Lake Wetlands." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/3869.

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Non-native invasive plant species can often have negative effects on native ecosystems, such as altered nutrient cycling, decreased habitat for wildlife, and outcompeting native plants. Around the Great Salt Lake (GSL), Utah, the invasive wetland grass Phragmites australis has become abundant in wetlands around the lake. Phragmites is replacing many native wetland plants provide important waterfowl habitat around the GSL. For successful management of Phragmites in GSL wetlands, it is important to know the current distribution of Phragmites, as well as areas that might be vulnerable to future i

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12

Rothman, Erin K. "Phragmites australis in a freshwater coastal wetland : implications for carbon dynamics." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1194565332.

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13

McDonald, M. Christine. "Ecosystem resilience and the restoration of damaged plant communities : a discussion focusing on Australian case studies /." View thesis, 1996. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030625.095246/index.html.

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14

Maheu-Giroux, Mathieu 1981. "The landscape ecology of the invasive species Phragmites australis in anthropogenic linear wetlands /." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=111930.

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The recent and rapid expansion of Phragmites australis in North America provides an opportunity to relate dispersal patterns to landscape structure. Linear wetlands, such as roadside or agricultural ditches, may serve as corridors that facilitate dispersal at the landscape scale, but there is little quantitative information on patterns of invasion in these habitats. Remote sensing data, GIS, and field observations were used (1) to assess the feasibility of mapping populations of P. australis in linear wetlands and (2) to quantify and explain recent invasion patterns of P. australis in two peri

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15

Roe, John H., and n/a. "THE TERRESTRIAL ECOLOGY OF A FRESHWATER TURTLE, CHELODINA LONGICOLLIS, IN BOODEREE NATIONAL PARK, AUSTRALIA." University of Canberra. Institute for Applied Ecology, 2007. http://erl.canberra.edu.au./public/adt-AUC20081009.143208.

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Most studies of wetlands tend to focus on the biotic and abiotic interactions within the aquatic habitat. Though wetlands and associated biota may appear to be somewhat isolated from the influence of the wider landscape, wetland habitats are critically linked with adjacent terrestrial habitats and other wetlands through the two-way flows of energy and nutrients and provision of structure. While an understanding of these inter-habitat linkages is breaking down the perceived boundaries between &quotaquatic" and &quotterrestrial" ecosystems, there is more limited knowledge on the ecology of wetla

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16

Powell, Paula Angele. "The effects of hydrology and nutrient inputs at South Milton Ley on the ecology of the common reed Phragmites australis (Cav. Trin. ex Steudal)." Thesis, University of Plymouth, 2000. http://hdl.handle.net/10026.1/2061.

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South Milton Ley is a small coastal wetland in Southern England. A sand-bar forms periodically at its seaward end and separates fresh water from the sea. The common reed Phragmites australis dominates the wetland and when a sand bar is present a shallow freshwater lake forms. Monthly water budgets were prepared for the years 1994, 1995 and 1996 and intermittent flooding of the Ley was also monitored. This information was used to calculate a range of residence times (between one hour and eleven days) and the characteristics of various flow regimes when the sandbar, which dams the Ley, is open o

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17

Kemp, Annabeth S. "Freshwater cyanoprokaryota blooms in the Swan Coastal Plain wetlands: ecology, taxonomy and toxicology." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/1477.

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Relatively little published information on cyanoprokaryote (blue-green algal) blooms in the freshwater wetlands in Western Australia is available. There has been little research on the urban lakes and rivers, examining the relationship between environmental conditions and toxin-producing blooms. In this project the ecology, morphology and toxicity of cyanoprokaryota blooms in 27 metropolitan lakes and sumplands, as well as three major rivers, from 2000 to 2003, on the Swan Coastal Plain (SCP) in the southwest of Western Australia were investigated.A total of 24 species were identified and desc

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18

Cranney, Chad R. "Control of Large Stands of Phragmites australis in Great Salt Lake, Utah Wetlands." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/4988.

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Phragmites australis (hereafter Phragmites) often forms dense monocultures, which displace native plant communities and alter ecosystem functions and services. Managers tasked with controlling this plant need science-backed guidance on how to control Phragmites and restore native plant communities. This study took a large-scale approach - to better match the scale of actual restoration efforts - to compare two herbicides (glyphosate vs. imazapyr) and application timings (summer vs. fall). Five treatments were applied to 1.2 ha plots for three consecutive years: 1) summer glyphosate; 2) summer

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19

Kemp, Annabeth S. "Freshwater cyanoprokaryota blooms in the Swan Coastal Plain wetlands: ecology, taxonomy and toxicology." Curtin University of Technology, Division of Science and Engineering, Department of Environmental Biology, 2009. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=129384.

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Relatively little published information on cyanoprokaryote (blue-green algal) blooms in the freshwater wetlands in Western Australia is available. There has been little research on the urban lakes and rivers, examining the relationship between environmental conditions and toxin-producing blooms. In this project the ecology, morphology and toxicity of cyanoprokaryota blooms in 27 metropolitan lakes and sumplands, as well as three major rivers, from 2000 to 2003, on the Swan Coastal Plain (SCP) in the southwest of Western Australia were investigated.<br>A total of 24 species were identified and

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20

Duncan, Brittany L. "Impacts of Cattle Grazing as a Tool to Control Phragmites australis in Wetlands on Nitrogen, Phosphorus, and Carbon." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7420.

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Phragmites australis is a plant that is causing problems in wetlands by outcompeting native plants that provide food and shelter for millions of migratory birds. Currently, managers try to control Phragmites australis by spraying herbicide, burning, and mowing, but these methods are costly, time consuming, and have low levels of success. Adding grazing as a tool to control Phragmites australis provides a cheap and low labor alternative. However, there are many concerns regarding if grazing will cause nutrient loading in our wetlands that will decrease water quality and alter beneficial functio

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21

Hazelton, Eric L. G. "Impacts of Phragmites australis Management on Wetland Plant Community Recovery, Seedbank Composition, and the Physical Environment in the Chesapeake Bay." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7229.

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Biological invasions have adverse economic, cultural, and ecological effects worldwide. Among the most impactful in North America is the invasion of Phragmites australis (Phragmites), a large-scale clonal grass that rapidly colonizes wetlands. Phragmites crowds out native plants and alters habitat for native fauna. In doing so, Phragmites also alters human access to water resources and has adverse economic effects, including decreasing property value, inhibiting recreational use, and limiting populations of game species. The efforts described in this dissertation are a component of a large, mu

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22

Rohal, Christine B. "Invasive Phragmites australis Management in Great Salt Lake Wetlands: Context Dependency and Scale Effects on Vegetation and Seed Banks." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7228.

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Invasive plants can outcompete native plants, replacing diverse plant communities with monocultures, which can negatively impact the whole ecosystem. One invasive plant, Phragmites australis, has invaded wetlands across North America. In Utah’s Great Salt Lake, it has greatly reduced the area of native plants that are important habitat for migratory birds. Here we describe experiments that assess multiple treatments for Phragmites removal and evaluate the return of native plants after Phragmites management. The treatments were applied to Phragmites patches at two scales (small 1/4-acre plots a

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23

Kennedy, Emmalisa. "Effects of control of the invasive plant, Phragmites australis, on microbes and invertebrates in detritus." [Kent, Ohio] : Kent State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=kent1216395163.

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Thesis (M.S.)--Kent State University, 2008.<br>Title from PDF t.p. (viewed Oct. 27, 2009). Advisor: Laura Leff. Keywords: Phragmites australis; Scirpus cyperinus; glyphosate; microbes; ergosterol; invertebrates. Includes bibliographical references (p. 47-59).

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24

Frevola, Danielle Marie Frevola. "Can Surrounding Land Use Promote Phenotypic Plasticity and Invasion Success in Wetland Plants Through Variable Nutrient Regimes?" The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531230832080876.

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25

Benger, Simon. "Remotely sensing changes in the vegetation of ephemeral wetlands." Phd thesis, 2001. http://hdl.handle.net/1885/148178.

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26

Goodman, Abigail May. "Impacts of an altered water and salinity regime on the condition of wetlands in the Upper South East of South Australia." Thesis, 2012. http://hdl.handle.net/2440/79815.

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The Upper South East (USE) region of South Australia covers over 1M ha and is the largest area affected by dryland salinity in South Australia. In 1999, it was estimated that 40% of the region was affected by salinity. To mitigate the threat of flooding and secondary salinisation, an extensive network of drains has recently been constructed. Whilst these drains may have a positive effect on the agricultural land, the impacts they will have on the hundreds of wetlands in the region is as yet, unknown. It is likely that the hydrologic regimes the wetlands are exposed to will be highly modified a

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27

Rea, Naomi. "The influence of water regime on the population ecology of two emergent macrophytes in South Australia / by Naomi Rea." Thesis, 1993. http://hdl.handle.net/2440/20591.

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Bibliography: leaves 103-120.<br>1 v. (various pagings) : ill. (some col.), maps ; 30 cm.<br>Species interactions are dependent on the water regime, which affects the relative allocation to below (sediment resource acquisition) and above ground (C acquisition) parts. At shallow and regularily exposed sites, Baumea is the superior competitor. In Hacks and Bool Lagoon, South Australia, changing distribution patterns occur in deep and permanently flooded conditions, where Baumea dies back, paving the way for Triglochin to passively take it's place.<br>Thesis (Ph.D.)--Dept. of Botany, University o

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28

Abrantes, Kátya Gisela dos Santos. "Trophic structure and the importance of terrestrial wetland producers for aquatic food webs in tropical Australian estuaries /." 2008. http://eprints.jcu.edu.au/1989.

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29

Schmidt, Carmel Elizabeth. "The valuation of South Australian wetlands and their water filtering function : a cost benefit analysis." 2007. http://hdl.handle.net/2440/57336.

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Title page, table of contents and abstract only. The complete thesis in print form is available from the University of Adelaide Library.<br>"The Lower Murray dairy swamps were once part of a series of freshwater wetlands stretching along the Murray to the Cooring. Of the original 5700 hectares of wetlands only 500 hectares remain today. While the dairy industry that has developed on the swamp has considerable commercial value, it has destroyed the natural water filtration function that the wetlands provided. The industry also causes high levels of dairly effluent to enter the River Murray, con

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Schmidt, Carmel Elizabeth. "The valuation of South Australian wetlands and their water filtering function : a cost benefit analysis." Thesis, 2007. http://hdl.handle.net/2440/57336.

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"The Lower Murray dairy swamps were once part of a series of freshwater wetlands stretching along the Murray to the Cooring. Of the original 5700 hectares of wetlands only 500 hectares remain today. While the dairy industry that has developed on the swamp has considerable commercial value, it has destroyed the natural water filtration function that the wetlands provided. The industry also causes high levels of dairly effluent to enter the River Murray, contributing to blue-green algae outbreaks and associated economic losses for the local tourism industry. This thesis provides valuable cost-be

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31

Hatton, Matthew J. "Intra and inter-specific variation in the reproductive strategies of two Bolboschoenus species from south-eastern Australia." Thesis, 2009. https://vuir.vu.edu.au/15841/.

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This study has several objectives. Firstly, to investigate the sexual reproductive ecology and germination requirements of Bolboschoenus caldwellii and Bolboschoenus medianus. Secondly, to examine the asexual growth mechanisms and responses of Bolboschoenus caldwellii and Bolboschoenus medianus to interesting salinity. Thirdly, to assess the genetic diversity of Bolboschoenus caldwellii and Bolboschoenus medianus stands from three wetlands with contrasting environmental conditions in the Gippsland Lakes region.

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32

Uddin, Md Nazim. "Ecological implications of allelopathic interferences with reference to Phragmites australis." Thesis, 2014. https://vuir.vu.edu.au/25791/.

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The effects of plant invasions on ecosystem structure and function are well studied but the pathways and mechanisms that underlie these effects remain poorly understood. In depth investigation of invasion mechanisms is vital to understanding why invasive plants impact only certain systems, and why only some invaders have disproportionately large impacts on the invaded community. There are many mechanisms such as lack of natural enemies or control mechanisms, the individual characteristics of the invader and invaded communities, direct and indirect resource competition, evolution or hybridisati

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33

Abas, Khalil. "Optimisation des marais filtrants pour l’abattement du pesticide chlorantraniliprole du ruissellement agricole." Thesis, 2021. http://hdl.handle.net/1866/25622.

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Au cours des dernières décennies, une grande variété de pesticides émergents, tels que le chlorantraniliprole (CAP), ont été introduits malgré le manque de connaissance approfondie de leur risque écotoxicologique. Les marais filtrants (TW) sont des technologies écologiques et durables qui ont montré un grand potentiel d’atténuation des polluants agricoles communs, tels que les pesticides dans le ruissellement. L’objectif de cette étude était d’optimiser l’utilisation du marais filtrant sous-surfacique à écoulement horizontal (HSSF) en déterminant: a) l'effet d’un amendement de biochar au subst

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