Evaluating macroinvertebrate responses to recovery ... - Springer Link

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taxonomic richness (particularly nekton and benthos) was greater in fishless ... Previous studies near Sudbury have shown that-several benthic groups have.
EVALUATING MACROINVERTEBRATE RESPONSES TO RECOVERY FROM ACIDIFICATION IN SMALL LAKES IN ONTARIO, CANADA

D. K. MCNICOL, B. E. BENDELL, and M. L. M A L L O R Y Environment Canada, Canadian Wildlife Service (Ontario Region), Nepean, Ontario, KIA 01t3, Canada.

Abstract. - The biomonitoring program of Environment Canada examines food chains in small Ontario lakes to interpretecological responses of waterfowl and their foods to changing acid deposition. Macroinvertebrates and fish were sampled in three acid-sensitive regions: Muskoka (1991; N=20), Algoma (1992; N=20), and Sudbury (1994; N=22). Small lakes (