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RECORD NUMBER: 5 OF 6

OLS Field Name OLS Field Data
Main Title Organization and adaptation of aquatic laboratory ecosystems exposed to the pesticide dieldrin {Microfiche}
Author Liss, William J. ; Woltering, Daniel M. ; Finger, Susan E. ; Kulbicki, Michael L. ; McClurken, Becky
Other Authors
Author Title of a Work
Liss, William J.
CORP Author Oregon State Univ., Corvallis. Dept. of Fisheries and Wildlife.;Environmental Research Lab., Duluth, MN.
Publisher U.S. Environmental Protection Agency, Environmental Research Laboratory ;
Year Published 1982
Report Number EPA-R804622; EPA-600/3-82-050
Stock Number PB82-219122
Subjects Aquatic invertebrates--United States ; Aquatic ecology--United States
Additional Subjects Snails ; Dieldrin ; Pesticides ; Toxicity ; Experimental design ; Reproduction(Biology) ; Acclimatization ; Ecology ; Invertebrates ; Fishing ; Feeding stuffs ; Life cycles ; Concentration(Composition) ; Aquariums ; Guppies ; Habitats ; Predation
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB82-219122 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 120 p. : ill. ; 28 cm.
Abstract
A system of generalizations pertaining to the organization, development and persistence, adaptation, and productivity of ecological systems and their response to toxic substances was formulated. Laboratory ecosystems composed of persistent populations of guppies, amphipods, snails and various microinvertebrates were used in examining the system of generalizations for their utility and conformity with observation. Guppy populations in the ecosystems were exploited at different rates to simulate fishing, and the systems were provided with different levels of habitat availability and energy input rates. The laboratory communities developed different steady-state structures at different guppy exploitation rates and different levels of habitat availability and energy input. Guppies, amphipods, and snails were competitors for a common food resource, organic matter derived in part from the primary energy source, an alfalfa ration. Amphipods were also a prey of the guppies. Changes in exploitation rate and habitat availability and energy input brought about changes in the densities of all these interacting populations.
Notes
Caption title. "May. 1982." "EPA-600/3-82-050." Microfiche.