Defence is the best offence: invasive prey behaviour is more important than native predator behaviour
Defence is the best offence: invasive prey behaviour is more important than native predator behaviour
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防御是最好的进攻：入侵性猎物行为比本地捕食者行为更重要
DOI：
10.1016/j.anbehav.2018.02.017
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发表时间：
2018
期刊：
影响因子：
2.5
通讯作者：
K.L. Laskowski
中科院分区：
文献类型：
--
作者：
Mennen;K.L. Laskowski
重点入侵者和居民物种之间的相互作用可能决定入侵的成功。许多入侵捕食者物种表现出高度的活动性和侵略性。但积极的行为可能对入侵的猎物物种有害。我们表明，入侵端足类动物表现出极端的隐藏和反捕食行为。这提高了它的捕食回避，也许增加了它的入侵成功。考虑到广泛的多样性，很难找到预测潜在入侵者成功的普遍规则。入侵者和新领地内其他物种之间的相互作用在动物物种中，行为特征可能在介导这些相互作用中发挥特别相关的作用。虽然入侵性捕食者的捕食行为特别有据可查，但对行为如何介导入侵性猎物物种的成功知之甚少。在这里，我们测试的行为如何入侵猎物物种，片足类Dikerogammarus villosus，和一个共同的鱼类捕食者，欧洲鲈鱼，河鲈，影响捕食事件的结果。侵入性D villosus表现出显着更大的庇护和探索行为比一个自然化的片足类Gammarus roeseli。这种增加的庇护行为在入侵的片脚类动物似乎有一个主要的功能后果，因为这个物种是远远低于归化的片脚类动物是由鲈鱼。与我们的预测相反，个人鲈鱼的行为没有影响消费的两个片脚类物种，这表明片脚类动物的行为是成功的捕食事件的关键决定因素。我们的研究结果强调了捕食事件中猎物行为的重要性，并强调考虑潜在入侵猎物物种的反捕食行为可能有助于提高入侵成功的预测。
HighlightsInteractions between invader and resident species may determine invasion success.Many invasive predator species exhibit high activity and aggression.But active behaviours could be detrimental to invasive prey species.We show an invasive amphipod exhibits extreme hiding and antipredator behaviour.This improves its predation avoidance and perhaps increases its invasion success.Finding universal rules that predict the success of potential invaders is difficult given the breadth of interactions that occur between the invader and the other species in its new range. Among animal species, behavioural traits may play an especially relevant role in mediating these interactions. Whereas the predatory behaviour of invasive predators is especially well documented, less is known about how behaviour may mediate the success of invasive prey species. Here we tested how the behaviour of both an invasive prey species, the amphipod Dikerogammarus villosus, and a common fish predator, the European perch, Perca fluviatilis, affect the outcome of predation events. Invasive D. villosus exhibited significantly greater sheltering and less exploratory behaviour than a naturalized amphipod Gammarus roeseli. This increased sheltering behaviour in the invasive amphipod appears to have a major functional consequence as this species was far less likely than the naturalized amphipod to be predated by the perch. Contrary to our predictions, the behaviour of the individual perch had no influence on consumption of either amphipod species, suggesting that amphipod behaviour was the key determinant of the success of a predation event. Our results highlight the importance of prey behaviour during predation events and emphasize that consideration of antipredator behaviour in potentially invasive prey species may help improve predictions of invasion success.
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影响因子：
4.8
作者：
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影响因子：
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DOI：
--
发表时间：
1998
期刊：
影响因子：
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T. Reusch
捕食者和猎物的活动水平共同影响长期觅食的结果。
DOI：
10.1093/beheco/art052
发表时间：
2013
期刊：
Behavioral ecology : official journal of the International Society for Behavioral Ecology
影响因子：
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作者：
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DOI：
10.1098/rspb.2000.1099
发表时间：
2000-05-22
影响因子：
4.7
作者：
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通讯作者：
Platvoet, D