Extrinsic vs. intrinsic food shortage an
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Steven A. Juliano; John H. Lawton
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Article
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1990
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Springer-Verlag
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English
โ 727 KB
We use field and laboratory experiments to determine whether Hyphydrus ovatus, a predatory aquatic beetle, is food limited, and whether any food shortage results from depletion of prey by these predators (intrinsic food shortage) or is independent of predation by these beetles (extrinsic food shorta