Influence of prey abundance on size-selective predation by bluegills
Journal Article
·
· Trans. Am. Fish. Soc.; (United States)
Bluegills Lepomis macrochirus in Lake Wingra consume zooplankton in a size-selective fashion. Length-frequency distributions of ingested and available prey demonstrated that bluegills feed on a smaller range of ever larger Daphnia galeata and Bosmina longirostris as these prey species increased in abundance. The same was not apparent for Cyclops bicuspidatus as prey. Regression of intensity-of-selection indices for Daphnia and Bosmina versus their combined abundance suggests that these prey species are not differentiated by bluegills in Lake Wingra.
- Research Organization:
- Oak Ridge National Lab., TN
- DOE Contract Number:
- W-7405-ENG-26; AI09-76SR00943
- OSTI ID:
- 6532349
- Journal Information:
- Trans. Am. Fish. Soc.; (United States), Vol. 111
- Country of Publication:
- United States
- Language:
- English
Similar Records
Effects of cadmium on juvenile bluegill (Lepomis macrochirus) foraging behavior and growth
Lake acidification: Effects on crustacean zooplankton populations
Environmental and water-quality operational studies. Prey selection and feeding patterns of fish in a Southern United States hydropower tailwater. Final report
Miscellaneous
·
Fri Jan 01 00:00:00 EST 1993
·
OSTI ID:6532349
Lake acidification: Effects on crustacean zooplankton populations
Journal Article
·
Sun Aug 01 00:00:00 EDT 1993
· Environmental Science and Technology; (United States)
·
OSTI ID:6532349
Environmental and water-quality operational studies. Prey selection and feeding patterns of fish in a Southern United States hydropower tailwater. Final report
Technical Report
·
Tue Oct 01 00:00:00 EDT 1985
·
OSTI ID:6532349