Journal article
Blue-green algae and fish population changes in a eutrophic estuary
Marine Pollution Bulletin, Vol.14(6), pp.228-233
1983
Abstract
Evidence is presented which indicates that dense blooms of the blue-green alga Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll a level, an excellent indicator of Nodularia density during the late spring and summer, was above 100 μgl−1. Moreover, commercial fishermen have recorded greatly reduced catches in Nodularia-affected areas and dead fish and crabs were found in regions where Nodularia was very dense. While the effects of this blue-green alga apparently led to death in the case of some bottom-living species in the most affected parts of the system, more active species moved into regions where Nodularia was virtually absent.
Details
- Title
- Blue-green algae and fish population changes in a eutrophic estuary
- Authors/Creators
- I.C. Potter (Author/Creator)N.R. Loneragan (Author/Creator)R.C.J. Lenanton (Author/Creator)P.J. Chrystal (Author/Creator)
- Publication Details
- Marine Pollution Bulletin, Vol.14(6), pp.228-233
- Publisher
- Elsevier BV
- Identifiers
- 991005540743007891
- Copyright
- © 1983 Published by Elsevier Ltd.
- Murdoch Affiliation
- School of Environmental and Life Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.216 Lake Ecosystems
- Web Of Science research areas
- Environmental Sciences
- Marine & Freshwater Biology
- ESI research areas
- Environment/Ecology