A periodic matrix population model to predict growth potential of the invasive Chinese mitten crab Eriocheir sinensis (H. Milne Edwards, 1853) (Decapoda: Brachyura: Varunidae)

A periodic matrix population model to predict growth potential of the invasive Chinese mitten crab Eriocheir sinensis (H. Milne Edwards, 1853) (Decapoda: Brachyura: Varunidae)
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预测入侵中华绒螯蟹 Eriocheir sinensis (H. Milne Edwards, 1853) 生长潜力的周期性矩阵种群模型(十足目:短尾亚目:蜥蜴科)

DOI:
10.1093/jcbiol/ruy090
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发表时间:
2019
影响因子:
1.1
通讯作者:
Strussmann Carlos A
Strussmann Carlos A
中科院分区:
生物学4区
文献类型:
--
作者:
Zhang Zhixin;Yokota Masashi;Strussmann Carlos A

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中华绒螯蟹Eriocheir sinensis(H.)短尾虫科(Brachyura:Varunidae)是亚洲重要的商业物种,但在北美和欧洲已经成为入侵物种,造成了巨大的生态和经济后果。为了有效控制该物种,了解其种群增长潜力是至关重要的。由于矩阵人口模型能够包含重要的生活史信息,因此它是定量评估人口增长的有力工具。根据中华绒螯蟹的生活史信息,建立了中华绒螯蟹的周期矩阵种群模型,并对可能的控制策略进行了效果评估。弹性分析表明,幼虫发育期间的水温和死亡率对种群增长的贡献最大。因此,幼虫发育是该虫生活史上最关键的阶段。中华绒毛。在评估该物种未来的入侵风险时,河口环境应该得到更多的关注,因为这是幼虫发生的栖息地。数值模拟结果还表明,一旦该害虫形成,需要相当长期的努力才能根除,这突显了在入侵的早期阶段采取控制措施的重要性。
The Chinese mitten crabEriocheir sinensis(H. ) (Brachyura: Varunidae) is an important commercial species in Asia, but it has become invasive in North America and Europe, being responsible for dramatic ecological and economic consequences. It is essential to understand its population growth potential in order to effectively control the species. The matrix population model is a powerful tool to quantitatively evaluate population growth since it can incorporate important life-history information. We developed a periodic matrix population model for the Chinese mitten crab based on information on its life history, and evaluated the efficacy of possible control strategies. Elasticity analysis indicated that water temperature and mortality rate during larval development contribute most to population growth. Larval development is therefore the most critical stage in the life history ofE. sinensis. The estuarine environment deserves more attention when evaluating the future invasion risk of the species because this is the habitat in which larvae occur. Numerical simulation results also suggested that considerable long-term efforts are required to eradicate this pest once it becomes established, which highlights the importance of taking control measures at the early stages of invasion.
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