在特征空间中解开丰富性,侵入性和入侵性之间的关系
Cang Hui1,2,3, Petr Pyšek4,5, David M Richardson4,6
1Centre for Invasion Biology, Department of Mathematical Sciences, Stellenbosch University, Stellenbosch, South Africa. chui@sun.ac.za.
npj biodiversity
|September 6, 2024
概括
预测入侵物种的成功需要区分入侵性和丰富性. 一个新的框架结合了物种特征,环境背景和传播压力,以实现更好的生态预测.
科学领域:
- 生态生态学 生态生态学
- 侵袭生态学 侵袭生态学
- 社区生态学 社区生态学
背景情况:
- 在入侵生态学中,区分物种的入侵性和丰富性至关重要.
- 预测物种的丰富性和入侵性取决于环境,受社区特征和入侵性的影响.
研究的目的:
- 为预测入侵动态提供一个新的三角框架.
- 区分和测量外来物种在被入侵社区中的入侵性和丰富性.
主要方法:
- 开发了一个整合物种特征,环境背景和传播压力的框架.
- 用性能,物种丰富性,相互作用强度和社区相互作用压力来衡量外来物种的入侵性.
- 基于机会和非生物条件的量化社区入侵性.
主要成果:
- 外来物种的种群增长率受到传播压力,种群规模和入侵性的影响.
- 社区的入侵性与特定环境条件下的机会的可用性有关.
- 特征,表现和相互作用之间的关系决定了引入物种的入侵性,即使在功能上与本地物种相似.
结论:
- 准确预测入侵动态取决于了解物种特征,环境因素和社区相互作用的相互作用.
- 拟议的框架提供了一种更细致的方法来预测引入物种的成功.
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