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Conditions for the return and simulation of the recovery of burrowing mayflies in western Lake Erie

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Conditions for the return and simulation of the recovery of burrowing mayflies in western Lake Erie; 1997; Article; Journal; Ecological Applications; Kolar, Cynthia S.; Hudson, Patrick L.; Savino, Jacqueline F.

Summary

In the 1950s, burrowing mayflies, Hexagenia spp. (H. Limbata and H. Rigida), were virtually eliminated from the western basin of Lake Erie (a 3300 kmA? area) because of eutrophication and pollution. We develop and present a deterministic model for the recolonization of the western basin by Hexagenia to pre-1953 densities. The model was based on the logistic equation describing the population growth of Hexagenia and a presumed competitor, Chironomus (dipteran larvae). Other parameters (immigration, low oxygen, toxic sediments, competition with Chironomus, and fish predation) were then individually added to the logistic model to determine their effect at different growth rates. The logistic model alone predicts 10-41 yr for Hexagenia [...]

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Type Scheme Key
local-index unknown 1000623
local-pk unknown 1000623
series unknown Ecological Applications

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journalEcological Applications
parts
typevolume
value7
typeissue
value2
languageEnglish
citationTypeArticle

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