Abstract

On montre dans cet article que la theorie de la detection du signal implique que la dispersion peut reduire le risque courru par les proies cryptiques meme si le predateur ne forme pas des images d'exploration, et qu'un comportement d'approvisionnement optimal permet au predateur de capturer une proie cryptique disproportionnellement plus souvent lorsque sa densite croit (exemples: oiseaux, insectes)

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