共存物种间作为生活史策略组成部分的繁殖物候差异的潜在驱动因素

IF 4.6 1区 环境科学与生态学 Q1 ECOLOGY Functional Ecology Pub Date : 2024-08-22 DOI:10.1111/1365-2435.14640
Thomas E. Martin, Penn Lloyd
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引用次数: 0

摘要

繁殖物候会对人口产生很大影响。然而,共存的动物物种在繁殖物候方面存在差异的原因却很少受到关注。我们测试了生命史变异的选择压力,如年龄特异性死亡率、饮食和体型,以解释南非干旱灌木林中16种共存鸣禽的繁殖物候。最早和最晚的物种的平均开始和结束日期相差 1.5 个月,其余物种之间存在梯度。巢被捕食的风险一般在整个季节都会增加,尽管物种的季节性模式有所不同。年成虫死亡率较低、巢捕食季节性增加较多、巢捕食率较高的物种的开始和结束日期较早,从而降低了人口风险。成体死亡率较高的物种的育雏规模较大,需要更多的食物,它们在食物较丰富时繁殖较晚。因此,繁殖时间的演变反映了与寿命和育雏规模有关的风险管理和食物供应情况。这些因素可能会对物种内部对气候变化的反应产生未被认识到的限制。鉴于物候对适应性的重要性,物候应作为核心生活史性状纳入未来的理论中,在应对气候变化时需要考虑进化限制因素。在期刊博客上免费阅读本文的通俗摘要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Potential drivers of differences in breeding phenology as a component of life history strategies among coexisting species

Read the free Plain Language Summary for this article on the Journal blog.

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来源期刊
Functional Ecology
Functional Ecology 环境科学-生态学
CiteScore
9.00
自引率
1.90%
发文量
243
审稿时长
4 months
期刊介绍: Functional Ecology publishes high-impact papers that enable a mechanistic understanding of ecological pattern and process from the organismic to the ecosystem scale. Because of the multifaceted nature of this challenge, papers can be based on a wide range of approaches. Thus, manuscripts may vary from physiological, genetics, life-history, and behavioural perspectives for organismal studies to community and biogeochemical studies when the goal is to understand ecosystem and larger scale ecological phenomena. We believe that the diverse nature of our journal is a strength, not a weakness, and we are open-minded about the variety of data, research approaches and types of studies that we publish. Certain key areas will continue to be emphasized: studies that integrate genomics with ecology, studies that examine how key aspects of physiology (e.g., stress) impact the ecology of animals and plants, or vice versa, and how evolution shapes interactions among function and ecological traits. Ecology has increasingly moved towards the realization that organismal traits and activities are vital for understanding community dynamics and ecosystem processes, particularly in response to the rapid global changes occurring in earth’s environment, and Functional Ecology aims to publish such integrative papers.
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