Dissolved Oxygen Guidelines for Freshwater Habitats of Northern Australia

Butler, Barry, and Burrows, Damien W. (2007) Dissolved Oxygen Guidelines for Freshwater Habitats of Northern Australia. Report. Australian Centre for Tropical Freshwater Research, Townsville, QLD, Australia.

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[Extract] In many freshwater habitats, low dissolved oxygen (DO) is one of the most important and ubiquitous stressors upon aquatic fauna. However, because of an historical focus upon other chemical parameters such as nutrients, salinity and turbidity, and because of the considerable spatio-temporal variability exhibited by DO, its status has rarely been appropriately assessed in the field. Moreover, due to a lack of experimental data on faunal tolerance to low DO (termed hypoxia) water quality guidelines have traditionally provided few insights into the minimum DO requirements of aquatic ecosystems. This project, funded through the Natural Heritage Trust National Competitive Component, aimed to redress this situation by experimentally testing the hypoxia tolerances of a range of freshwater fish species, developing new effect-based water quality guidelines and devising new methods of monitoring DO and assessing the ecological risks associated with DO deficiencies. The current document provides these outputs.

Item ID: 29265
Item Type: Report (Report)
Keywords: dissolved oxygen, aquatic health monitoring, freshwater fish habitats, estuarine management
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ACTFR Technical Report No. 07/32

Date Deposited: 16 Oct 2013 06:38
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050211 Wildlife and Habitat Management @ 50%
05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050299 Environmental Science and Management not elsewhere classified @ 50%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments @ 50%
96 ENVIRONMENT > 9609 Land and Water Management > 960999 Land and Water Management of Environments not elsewhere classified @ 50%
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