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Ecology and Water Allocation Strategy. Water Resources Commission,<br />

Brisbane and Centre for Catchment and In-stream Research, Griffith<br />

University, Brisbane, Queensland. 400 pp.<br />

Abstract<br />

This Study was commissioned to examine effects of the Bjelke-Petersen Dam<br />

and the associated Barker-Barambah Irrigation Project on the natural<br />

environment. The study began in 1987, with the objectives described above.<br />

This report presents all results arising from the study (17 chapters) and a final<br />

chapter which integrates information from various chapters into a<br />

recommended water allocation strategy for Barambah Creek. The study<br />

demonstrates that maintenance of imgation water quality, fish habitat and<br />

spawning requirements, invertebrates and aquatic macrophyte communities<br />

may require controlled supplementary water releases from the Bjelke-Petersen<br />

Dam. Three levels of stream discharge have been recommended to describe<br />

the boundary <strong>condition</strong>s of the water allocation strategy; flushing flow<br />

requirements are also described. Since large releases of water from September<br />

to November, or fluctuating water levels, could affect fish spawning and<br />

survival of eggs and fry, the water allocation strategy recommends that daily<br />

water level variations during critical spawning periods should not be allowed<br />

to exceed the natural changes that occur over the historic range of flow<br />

<strong>condition</strong>s in each month at particular sites. The study demonstrates that the<br />

management of streams must be undertaken within the framework of<br />

Integrated Catchment Management in order to address the range of water<br />

quality and in-stream issues comprehensively.<br />

Arthington, A. H., D. L. Conrick and B. M. Bycroft (1992b). Environmental Study<br />

of Barker-Barambah Creek: Volume 3: Appendicies to Scientific Report.<br />

Water Resources Commission, Brisbane and Centre for Catchment and Instream<br />

Research, Griffith University, Brisbane, Queensland. 100 pp.<br />

Abstract<br />

This Study was commissioned to examine effects of the Bjelke-Petersen Dam<br />

and the associated Barker-Barambah Irrigation Project on the natural<br />

environment. The Appendices present additional essential details on the<br />

findings of the study, basic calculations for certain analyses, and further<br />

information on the methodology used to assess the in-stream flow<br />

requirements of stream fishes (questionnaires, compilation of habitat<br />

preference data and the RHYHABSIM Computer Manual).<br />

Arthington, A. H., D. L. Conrick, D. W. Connell and P. M. Outridge (1982). The<br />

Ecology of a Polluted Urban Creek. Australian Water Resources Council<br />

Technical Paper No. 68. Australian Government Publishing Service,<br />

Canberra.<br />

Abstract<br />

Sewage systems servicing urban and light industrial areas may receive organic<br />

wastes and a variety of toxic substances in low concentrations. Treatment<br />

substantially reduces the BOD and converts organic nitrogen, phosphorus and<br />

sulphur into oxidised salts. Chlorine is used as a sterilising agent in the final

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