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Predation and Predator Management *

Authors: Mark A. Colwell;

Predation and Predator Management *

Abstract

Predation has shaped many facets of the ecology of plovers, including their life history traits, behaviors, and demography. Moreover, conservation often emphasizes managing predators to increase population size. I reviewed literature addressing impacts of predation on survivorship and reproductive success of plovers, as well as four management approaches to ameliorate the negative effects of predation on population growth; most evidence comes from a few species that are threatened or endangered. Three of the four approaches seek to increase productivity by decreasing risk of predation of eggs and chicks by managing: (1) humans, attractants they provide, and disturbance of plovers; (2) habitat to increase availability and quality; (3) predator abundance or behavior using lethal or nonlethal methods; and (4) plover population size directly through captive propagation. The success of predator management is rarely monitored using vital rate data. For the threatened population segment of the Snowy Plover, data suggest that lethal removal has had a strong positive effect on productivity and population growth; even where lethal control is not used, populations are growing owing to immigration from areas where lethal removal of predators is routinely practiced.

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    popularity
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    influence
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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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