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EFFECT OF FOREST SPRAYING WITH ACEPHATE INSECTICIDE ON CONSUMPTION OF SPIDERS BY BROOK TROUT (SALVELINUS FONTINALIS)1
Published online by Cambridge University Press: 31 May 2012
Abstract
Stomachs of mature brook trout, Salvelinus fontinalis Mitch., from sprayed and unsprayed streams were analyzed for arthropods. Within 48 h after exposure to aerial applications of 560 g/ha acephate (Orthene®) against spruce budworm, Choristoneura fumiferana (Clem.), fish consumed many more spiders and other arthropods. Caged spiders in an acephate-sprayed forest behaved abnormally and had low survival.
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