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Subject: Riparian ecology -- Pennsylvania
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Brook trout -- Pennsylvania
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Environmental impact analysis -- Pennsylvania
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Fishes -- Nests
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Fishes -- Racial analysis -- Pennsylvania
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Distribution and redd site selection of the eastern brook trout (Salvelinus fontinalis) within selected riparian habitats along Church Run, Crawford County, Pennsylvania
Impacts of power and petroleum transmission corridors on riparian vegetation in northwestern Pennsylvania
Invasion ecology of the alien shrub Rhamnus Frangula L. in an Allegheny Plateau riparian savanna
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