种子传播者损失对植物群落和生态系统的级联影响

Haldre S. Rogers, Isabel Donoso, A. Traveset, Evan C. Fricke
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引用次数: 47

摘要

种子传播是植物种群持续和传播的关键。由于大多数植物物种依赖动物传播种子,直接影响动物的全球变化驱动因素可能对植物群落造成级联影响。在这篇综述中,我们综合了研究如何评估分散物损失改变植物种群,群落模式,多营养相互作用和生态系统功能。我们认为,分散剂损失对植物的风险程度是由植物物种对种子分散剂的内在依赖和它们所面临的危害的严重程度共同决定的。由于决定植物物种因分散剂丧失而衰退风险的因素可能与植物和分散剂的性状有关,因此我们的框架可以基于性状来理解植物群落组成和生态系统功能的变化。我们讨论了植物之间、散布者之间和其他营养水平之间的相互作用如何介导植物群落的反应,并确定了未来研究的领域,以了解和减轻全球植物散布者损失的后果。预计《生态、进化和分类学年度评论》第52卷的最终在线出版日期为2021年11月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。
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Cascading Impacts of Seed Disperser Loss on Plant Communities and Ecosystems
Seed dispersal is key to the persistence and spread of plant populations. Because the majority of plant species rely on animals to disperse their seeds, global change drivers that directly affect animals can cause cascading impacts on plant communities. In this review, we synthesize studies assessing how disperser loss alters plant populations, community patterns, multitrophic interactions, and ecosystem functioning. We argue that the magnitude of risk to plants from disperser loss is shaped by the combination of a plant species’ inherent dependence on seed dispersers and the severity of the hazards faced by their dispersers. Because the factors determining a plant species’ risk of decline due to disperser loss can be related to traits of the plants and dispersers, our framework enables a trait-based understanding of change in plant community composition and ecosystem functioning. We discuss how interactions among plants, among dispersers, and across other trophic levels also mediate plant community responses, and we identify areas for future research to understand and mitigate the consequences of disperser loss on plants globally. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 52 is November 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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来源期刊
CiteScore
19.90
自引率
1.70%
发文量
21
期刊介绍: The Annual Review of Ecology, Evolution, and Systematics is a scholarly publication that has been in circulation since 1970. It focuses on important advancements in the areas of ecology, evolutionary biology, and systematics, with relevance to all forms of life on Earth. The journal features essay reviews that encompass various topics such as phylogeny, speciation, molecular evolution, behavior, evolutionary physiology, population dynamics, ecosystem processes, and applications in invasion biology, conservation, and environmental management. Recently, the current volume of the journal transitioned from a subscription-based model to open access through the Annual Reviews' Subscribe to Open program. Consequently, all articles published in the current volume are now available under a CC BY license.
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