Results 211 to 220 of about 9,048 (239)
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Ecology Letters, 2012
AbstractThe combined effects of multiple predators often cannot be predicted from their independent effects. Emergent multiple predator effects (MPEs) include risk enhancement, where combined predators kill more prey than predicted by their individual effects, and risk reduction, where fewer prey are killed than predicted. Current methods for detecting
Michael Mccoy, Craig W Osenberg
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AbstractThe combined effects of multiple predators often cannot be predicted from their independent effects. Emergent multiple predator effects (MPEs) include risk enhancement, where combined predators kill more prey than predicted by their individual effects, and risk reduction, where fewer prey are killed than predicted. Current methods for detecting
Michael Mccoy, Craig W Osenberg
exaly +3 more sources
Journal of Theoretical Biology, 1993
Abstract We suggest a theoretical framework for predicting the distribution of predators when interference between predators is insignificant but depletion of the prey population is important. The pattern of density-dependent mortality of the prey can then be predicted.
William Sutherland
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Abstract We suggest a theoretical framework for predicting the distribution of predators when interference between predators is insignificant but depletion of the prey population is important. The pattern of density-dependent mortality of the prey can then be predicted.
William Sutherland
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Hot or hungry? A tipping point in the effect of prey depletion on African wild dogs
Biological Conservation, 2023Scott Creel +2 more
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Prey depletion and foraging strategy in the Oystercatcher Haematopus ostralegus
Oecologia, 1977The responses of a population of Oystercatchers to their own depletion of their prey, the edible cockle Cerastoderma edule, have been examined in Strangford Lough, Northern Ireland., Cockle stocks were severely depleted each winter as a result of predation by Oystercatchers and about half the birds present in October in the main study area had left by ...
R J, O'Connor, R A, Brown
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Prey size and prey density affect meal patterns of rats in depleting and nondepleting patches
Animal Behaviour, 1999We examined meal-ending decisions by rats feeding in depleting patches (where the rate of return decreased during a meal) and nondepleting patches (where the rate of return was constant) in a closed-economy, laboratory setting that allowed the precise measurement of feeding rates and meal patterns.
, Johnson, , Collier
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Timing of Shorebird Migration in Relation to Prey Depletion
The Auk, 1981Abstract The southward departure of migratory shorebirds (Charadrii) before the collapse of food supplies on the breeding grounds would seem to disprove the hypothesis that migratory timing is a trait actively maintained by selective pressures created by seasonal production of food supplies. In this study we looked at seasonal changes in
Schneider, David C. +1 more
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The effects of prey depletion on dietary niches of sympatric apex predators in Southeast Asia
Integrative Zoology, 2020AbstractResource depletion exerts opposing pressures on co‐occurring consumers to expand diets while limiting overlap with competitors. Using foraging theory as a framework, we tested the effects of prey availability on diet specialization and overlap among competing Asian predators: dhole, leopard, and tiger.
Robert, Steinmetz +4 more
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Effect of Localized Prey Depletion on Prey Selectivity by Fish
Transactions of the American Fisheries Society, 1988Abstract I compared the prey consumption by bluegills Lepomis macrochirus feeding on two size-classes of Daphnia magna with the diets predicted by the apparent-size model of foraging. The diets of fish that were acclimated to the laboratory for only 1 or 2 weeks contained significantly more small prey than predicted, but the diets of fish acclimated to
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Prey depletion inside and outside the territories of redshank, Tringa totanus
Animal Behaviour, 1984Observations realisees pres de l'estuaire du Taw, Devon, ou T.t. se nourrit principalement sur l'amphipode Corophium volutator. Il ne semble pas que la diminution des ressources alimentaires en hiver soit moindre a l'interieur du territoire qu'a l'exterieur ce qui semblerait prouver que T.t.
J.D. Goss-Custard +2 more
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Living on the edge: Depletion of wild prey and survival of the snow leopard
2016Snow leopards have a narrow diet spectrum and tend to prefer mountain ungulates, even where this prey is much less abundant than livestock. This feature makes the snow leopard particularly sensitive to human-induced local depletion of wild prey, as retaliatory killing by herders can exert a heavy toll on snow leopards' feeding on domestic ungulates. In
LOVARI, SANDRO, Mishra, Charudutt
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