时间是关键:揭示社区时间结构的总体框架。

IF 7.6 1区 环境科学与生态学 Q1 ECOLOGY Ecology Letters Pub Date : 2024-07-18 DOI:10.1111/ele.14481
Hannah Yin, Volker H. W. Rudolf
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引用次数: 0

摘要

生态群落本质上是动态的:物种在几年、几个月、几周甚至几天内不断更替。群落组成的这些时间变化决定了物种相互作用的重要方面,以及能量、养分、信息、疾病和干扰如何在系统中 "流动"。然而,我们对群落结构的理解在很大程度上依赖于静态分析,而不是为了捕捉群落这种动态时间维度的关键特征。在此,我们提出了量化和分析这一时间维度的概念和方法框架。从概念上讲,我们将时间结构分为两个明确的特征:序列和持续时间,并回顾了它们与生态学关键概念之间的联系。然后,我们概述了如何利用时间图论的观点和工具来捕捉这些明确特征。我们展示了如何轻松地将正在进行的物候学研究整合到这一框架中,并强调了这种方法为回答群落生态学的基本问题带来了哪些新机遇。随着气候变化对全球生态群落的重新洗牌,量化群落的时间组织对于解决塑造自然生态系统的基本过程和预测这些系统在未来可能发生的变化势在必行。
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Time is of the essence: A general framework for uncovering temporal structures of communities

Ecological communities are inherently dynamic: species constantly turn over within years, months, weeks or even days. These temporal shifts in community composition determine essential aspects of species interactions and how energy, nutrients, information, diseases and perturbations ‘flow’ through systems. Yet, our understanding of community structure has relied heavily on static analyses not designed to capture critical features of this dynamic temporal dimension of communities. Here, we propose a conceptual and methodological framework for quantifying and analysing this temporal dimension. Conceptually, we split the temporal structure into two definitive features, sequence and duration, and review how they are linked to key concepts in ecology. We then outline how we can capture these definitive features using perspectives and tools from temporal graph theory. We demonstrate how we can easily integrate ongoing research on phenology into this framework and highlight what new opportunities arise from this approach to answer fundamental questions in community ecology. As climate change reshuffles ecological communities worldwide, quantifying the temporal organization of communities is imperative to resolve the fundamental processes that shape natural ecosystems and predict how these systems may change in the future.

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来源期刊
Ecology Letters
Ecology Letters 环境科学-生态学
CiteScore
17.60
自引率
3.40%
发文量
201
审稿时长
1.8 months
期刊介绍: Ecology Letters serves as a platform for the rapid publication of innovative research in ecology. It considers manuscripts across all taxa, biomes, and geographic regions, prioritizing papers that investigate clearly stated hypotheses. The journal publishes concise papers of high originality and general interest, contributing to new developments in ecology. Purely descriptive papers and those that only confirm or extend previous results are discouraged.
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