利用基本生物多样性变量评估森林生态系统完整性

IF 2.7 3区 农林科学 Q2 ECOLOGY
Arildo Dias, Shaya Van Houdt, Katrin Meschin, Katherine Von Stackelberg, Mari-Liis Bago, Lauren Baldarelli, Karen Gonzalez Downs, Mariel Luuk, Timothée Delubac, Elio Bottagisio, Kuno Kasak, Atilcan Kebabci, Oliver Levers, Igor Miilvee, Jana Paju-Hamburg, Rémy Poncet, Massimiliano Sanfilippo, Jüri Sildam, Dmitri Stepanov, Donalda Karnauskaite
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引用次数: 0

摘要

近几十年来,大量的地球观测和现场数据已经可用,这为开发可扩展和实用的解决方案来评估和监测全球生态系统提供了可能性。生物多样性基本变量(Essential Biodiversity Variables)是将地球观测与原位数据相结合,用于监测生物多样性和生态系统完整性的一个例子,适用于评估和监测生态系统的结构、功能和组成。然而,研究尚未探索如何将这些指标组织在一个有效的工作流程中,以创建一个复合的生态系统完整性指数,并在全球范围内区分局部样地。方法利用现有的基本生物多样性变量,提出并验证了一个评估和监测全球尺度森林生态系统完整性的框架。我们首先定义了用于开发工作流的理论框架。然后,我们测量了333个5平方公里森林样地的生态系统完整性。我们使用两个主要的生态系统完整性类别(顶部和向下)对全球的样地进行分类,这些生态系统完整性类别使用不同的基本生物多样性变量定义。结果与讨论:完整程度较高的样地的生态系统完整性显著高于干扰程度较高的样地。完整森林的生态系统完整性指数平均为5.88 (CI: 5.53 ~ 6.23),而受到较大干扰的森林生态系统完整性指数平均为4.97 (CI: 4.67 ~ 5.26)。了解森林生态系统完整性的状况和变化可能有助于向优先领域提供资金,这些领域将受益于针对气候变化和生物多样性丧失的缓解战略。这项研究可以进一步为决策者提供有关森林管理和有关森林政策有效性的相关信息。该方法提供了一种灵活、可扩展的解决方案,便于整合必要的生物多样性变量来监测森林生态系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using essential biodiversity variables to assess forest ecosystem integrity
Introduction An unprecedented amount of Earth Observations and in-situ data has become available in recent decades, opening up the possibility of developing scalable and practical solutions to assess and monitor ecosystems across the globe. Essential Biodiversity Variables are an example of the integration between Earth Observations and in-situ data for monitoring biodiversity and ecosystem integrity, with applicability to assess and monitor ecosystem structure, function, and composition. However, studies have yet to explore how such metrics can be organized in an effective workflow to create a composite Ecosystem Integrity Index and differentiate between local plots at the global scale. Methods Using available Essential Biodiversity Variables, we present and test a framework to assess and monitor forest ecosystem integrity at the global scale. We first defined the theoretical framework used to develop the workflow. We then measured ecosystem integrity across 333 forest plots of 5 km 2 . We classified the plots across the globe using two main categories of ecosystem integrity (Top and Down) defined using different Essential Biodiversity Variables. Results and discussion: We found that ecosystem integrity was significantly higher in forest plots located in more intact areas than in forest plots with higher disturbance. On average, intact forests had an Ecosystem Integrity Index score of 5.88 (CI: 5.53–6.23), whereas higher disturbance lowered the average to 4.97 (CI: 4.67–5.26). Knowing the state and changes in forest ecosystem integrity may help to deliver funding to priority areas that would benefit from mitigation strategies targeting climate change and biodiversity loss. This study may further provide decision- and policymakers with relevant information about the effectiveness of forest management and policies concerning forests. Our proposed method provides a flexible and scalable solution that facilitates the integration of essential biodiversity variables to monitor forest ecosystems.
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来源期刊
CiteScore
4.50
自引率
6.20%
发文量
256
审稿时长
12 weeks
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