Garry Ogston

Garry Ogston

BSc. Conservation and Wildlife Biology (Hons)

About

5
Publications
1,619
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20
Citations
Introduction
I have worked in the environmental industry since 2009 and completed my BSc. with First Class Honours specialising in aestivating fishes of south-western Australia. During my early career I have worked in various Environmental Consultant and Officer roles, across Western Australia (including the south-west, mid-west & Pilbara regions).
Education
July 2014 - June 2015
Murdoch University
Field of study
  • Environmental Science
July 2011 - June 2014
Edith Cowan University
Field of study
  • Conservation and Wildlife Biology

Publications

Publications (5)
Thesis
Full-text available
Aestivating aquatic fauna are able to survive periods of drying using various unique behavioural, morphological and physiological adaptations. The Salamanderfish, Lepidogalaxias salamandroides, and Black-stripe Minnow, Galaxiella nigrostriata, are aestivating fishes restricted to the south-western most corner of Australia. The region has experience...
Technical Report
Full-text available
There are a number of frameworks that have been developed for assessing the vulnerability of species to climate change; however, those that address multiple threats are much rarer. We aimed to develop a framework for assessing the vulnerability of aquatic biota to multiple threats and to then apply it within a region that has multiple existing stre...
Technical Report
Internal Report for the Department of Water regarding environmental values of the groundwater dependent ecosystems within the Myalup region.
Conference Paper
Full-text available
Findings from my Honours research were presented at the ASFB Conference in Sydney 2015. The presentation begins by briefly introducing the definition behind aestivation, before touching on the climate change that has occurred within the south-west of Western Australia. Following this, the two model species, salamanderfish and black-stripe minnow we...

Questions

Question (1)
Question
There seems to be quite a bit of research on managing salt-water intrusion through managed aquifer recharge (MAR), but what about impacts on groundwater fed saline coastal lakes through managed aquifer recharge? The lakes I am researching are in south-western Australia, hypersaline and groundwater-dependent (essentially groundwater sinks), receiving very little runoff, and having high evaporation during summer causing seasonal changes to the lakes. It is likely that increasing freshwater inputs through MAR can essentially cause a community shift from saline tolerant species to more freshwater wetland species, as well as potentially altering lake/groundwater levels due to changes in density, but has this been empirically demonstrated anywhere?

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