期刊
CURRENT ZOOLOGY
卷 57, 期 5, 页码 613-624出版社
OXFORD UNIV PRESS
DOI: 10.1093/czoolo/57.5.613
关键词
Predator; Prey; Trophic interactions; Feeding; Food web
类别
This article reviews biological invasions in which predation (or its absence) plays a major role in the success of the invader. Examples are described in which the invader out-competes native species for the same food, and cases in which the invader consumes valued native species. In many instances, better predator avoidance by the invasive species or the absence of predators in the new habitat contributes to the success of the invaders; in other cases native or introduced predators appear to be able to keep the invasive species in check. A relatively new management approach in the US is the idea of adding another trophic level - to have humans act as the predators and consume the invasive species. This approach is being utilized in Florida and throughout the Caribbean against the lionfish, but could be extended to other fishes, as well as to various invasive crustaceans and mollusks. This idea is controversial, and current regulations prohibiting the possession of individuals of the invasive species (e.g., mitten crabs or snakefish) would preclude the development of a fishery for them [Current Zoology 57 (5): 613-624, 2011].
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