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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
The Use Of Proline To Determine Salt Tolerance In Eucalyptus Species And Clones, Andrew J. Woodward
The Use Of Proline To Determine Salt Tolerance In Eucalyptus Species And Clones, Andrew J. Woodward
Theses: Doctorates and Masters
There have been a number of studies that have examined the Eucalyptus spp. for their salt and waterlogging tolerance: but they have done so using conventional methods. A wide range of plants are known to produce greater amounts of proline when stressed, be it salt, temperature, 'drought or several other types of stress. This study looked at production of proline in salt stressed eucalypts to determine whether it can be used to differentiate between individuals andspecies. A range of Eucalyptus species and salt tolerant clones of E. camaldulensis were grown to investigate their proline response to salt stress.
The Role Of Farm Dams As Refugia For Aquatic Invertebrates In A Salinised Landscape, South Western Australia, Jean-Michel Benier
The Role Of Farm Dams As Refugia For Aquatic Invertebrates In A Salinised Landscape, South Western Australia, Jean-Michel Benier
Theses: Doctorates and Masters
In a salinised landscape farm dams may represent the last truly freshwater surface resource, and therefore provide refuge habitats for the biota of wetlands affected by increasing salinity. One wetland threatened by increased salinity in south-west Western Australia is Lake Toolibin. It is listed as a Wetland of International Importance under the Ramsar Convention in recognition of its high conservation value, and remediation actions to halt (and possibly reverse) further increases in salinity are being undertaken at this wetland. Farm dams act as aquatic refugia if they convey resistance and/or resilience to the biotic communities of a disturbed habitat. This …
Openness In The Face Of Systemic Constraints On Science, Public Participation, And The Western Australian Regional Forest Agreement, Martin Brueckner
Openness In The Face Of Systemic Constraints On Science, Public Participation, And The Western Australian Regional Forest Agreement, Martin Brueckner
Theses: Doctorates and Masters
The aim of this thesis is to explore the role of science and public participation in environmental policy-making processes in Australia. To this end, I analyse the Western Australian Regional Forest Agreement (RFA) process, a recent Australian Federal Government initiative designed to resolve a longstanding dispute over native forest use and management. Theoretically underpinned by an open systems approach, the thesis employs a case study method for the analysis of the RFA process, using data from three distinct sources; interviews, RFA-related literature, and media content. The analysis of the RFA occurs against the historical background to this policy process and …
Environmental Correlates And Associations Of Tuart (Eucalyptus Gomphocephala) Decline, Todd A. Edwards
Environmental Correlates And Associations Of Tuart (Eucalyptus Gomphocephala) Decline, Todd A. Edwards
Theses: Doctorates and Masters
Tuart (Eucalyptus gomphocephala DC.) is an ecologically and culturally important tree species that grows across a narrow 400 km long coastal belt, from the Sabrina River south of Perth, to Jurien Bay in the north. Unfortunately, Tuart is also a species under considerable threat due to clearing, lack of recruitment and canopy decline. Canopy decline is of particular concern, being increasingly reported throughout the Tuart distribution. Despite this, previous studies of Tuart have generally been limited to localised canopy decline events. This two-phased study firstly involved an assessment of Tuart canopy condition at 46 sites across the species distribution. At …
In Vitro Propagation Of Some Western Australian Seagrasses, Julia Wilson
In Vitro Propagation Of Some Western Australian Seagrasses, Julia Wilson
Theses: Doctorates and Masters
The development of a successful protocol for micropropagating seagrass provides a valuable tool for seagrass-restoration programs and a facility to study their biology (especially their physiology). This work reports on some of the culture requirements of some seagrasses that are commonly found in Western Australia: Posidonia coriacea, P. sinuosa, P. australis and Halophila ovalis. The protocol developed for H. ovalis allows very rapid multiplication and sustainable growth of cultures while the protocol developed for Posidonia requires further development. The culture of Posidonia cariacea proved to be problematic however experimental media that provided insights into its culture conditions. The carbohydrate source …
Terrestrial Isopods (Crustacea: Oniscidea) And Biogeographical Patterns From South-Western Australia, Simon L. Judd
Terrestrial Isopods (Crustacea: Oniscidea) And Biogeographical Patterns From South-Western Australia, Simon L. Judd
Theses: Doctorates and Masters
This thesis examines terrestrial isopod (Crustacea: Oniscidea) diversity and biogeography from south-western Australia, a region already recognised for the exceptional high biodiversity and concentrations of endemic species. A taxonomic investigation of isopods in the Western Australian Museum and material collected systematically as part of this study revealed seventy taxa, sixty of which were considered native species. The thesis provides a comprehensive review of regional taxonomic history and includes a key, complete with a set of forty characters states and taxa, illustrated by a number of photographic plates that are designed for use by specialists and non-specialists alike. Prior to this …
Investigation Of The Replacement Of Margaret River Hairy Marron Cherax Tenuimanus (Smith) By Smooth Marron C. Cainii Austin, John J. Bunn
Investigation Of The Replacement Of Margaret River Hairy Marron Cherax Tenuimanus (Smith) By Smooth Marron C. Cainii Austin, John J. Bunn
Theses: Doctorates and Masters
The Margaret River hairy marron, Cherax tenuimanus (Smith, 1912) (Decapoda: Parastacidae) is critically endangered due to the introduction of the widespread marron, C. cainii Austin, 2002. This project investigates the rapid replacement of C. tenuimanus with studies important to its conservation. The ability to identify correctly in the field C. tenuimanuss, C. cainii and hybrids was investigated by linking morphology and marker allozyme loci. C. tenuimanus was readily identified in the field and errors were conservative; no genetically identified hybrids or C. cainii were field identified as C. tenuimauus during tissue samples collection. A prototype field identification guide has been …