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Subject: Benthic macroinvertebrates
Subject: Limnology
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Aquatic biology
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Aquatic insects
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Freshwater biology
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Freshwater ecology
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Water -- Pollution
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Comparison of the aquatic macroinvertebrate communities among three feeder streams of the East Branch Clarion River Lake, Elk and McKean Counties, Pennsylvania
Effects of a hydrogen sulfide effluent on the macroinvertebrate life in a single riffle of the North Fork
Macroinvertebrate diversity and water depth of a pond fed by a constant temperature effluent
Macroinvertebrate recolonization of mine acid substrate in a single riffle of Cherry Run, Armstrong Co., Pennsylvania
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