Coevolution increases robustness to extinctions in mutualistic but not exploitative communities

IF 4.4 2区 环境科学与生态学 Q1 ECOLOGY
Ecology Pub Date : 2025-03-03 DOI:10.1002/ecy.70044
Fernando Pedraza, Klementyna A. Gawecka, Jordi Bascompte
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Abstract

Coextinctions may exacerbate the current biodiversity crisis. Yet, we do not understand all the factors that shape the robustness of communities to the loss of species. Here we analyze how coevolution influences the robustness to secondary extinctions of mutualistic and exploitative communities. We find that coevolution increases robustness in mutualism but reduces it under exploitative interactions. These differences are due to coevolution altering the density of interactions in communities. Coevolution leads to densely connected mutualistic communities and sparsely connected exploitative communities. We find the magnitude of these effects depends on the strength of coevolution and the size of the community. The largest changes to the density of interactions and robustness of communities occur when coevolutionary selection is strong. Moreover, the changes to network robustness are greater for small mutualistic communities and large exploitative communities. Our results broaden our understanding of the suite of mechanisms affecting the resilience of ecological communities. These insights may inform efforts to reduce the risk of species loss in the face of global change.

Abstract Image

物种灭绝可能会加剧当前的生物多样性危机。然而,我们并不了解形成群落对物种消失的稳健性的所有因素。在这里,我们分析了共同进化如何影响互惠型和利用型群落对次级灭绝的稳健性。我们发现,共同进化提高了互利性群落的稳健性,但降低了利用性群落的稳健性。这些差异是由于共同进化改变了群落中的相互作用密度。共同进化导致互利性群落连接密集,而剥削性群落连接稀疏。我们发现这些影响的程度取决于共同进化的强度和群落的大小。当共同进化选择强烈时,群落的相互作用密度和稳健性发生的变化最大。此外,对小型互利性群落和大型开发性群落来说,网络稳健性的变化更大。我们的研究结果拓宽了我们对影响生态群落恢复力的一系列机制的理解。这些见解可能会为我们在全球变化中降低物种消失风险的工作提供参考。
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来源期刊
Ecology
Ecology 环境科学-生态学
CiteScore
8.30
自引率
2.10%
发文量
332
审稿时长
3 months
期刊介绍: Ecology publishes articles that report on the basic elements of ecological research. Emphasis is placed on concise, clear articles documenting important ecological phenomena. The journal publishes a broad array of research that includes a rapidly expanding envelope of subject matter, techniques, approaches, and concepts: paleoecology through present-day phenomena; evolutionary, population, physiological, community, and ecosystem ecology, as well as biogeochemistry; inclusive of descriptive, comparative, experimental, mathematical, statistical, and interdisciplinary approaches.
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