Scaling-up biodiversity-ecosystem functioning research
Scaling-up biodiversity-ecosystem functioning research
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DOI：
10.1111/ele.13456
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发表时间：
2020-01-29
期刊：
影响因子：
8.8
通讯作者：
Loreau, Michel
中科院分区：
文献类型：
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作者：
Gonzalez, Andrew;Germain, Rachel M.;Loreau, Michel
丰富的知识将生物多样性与生态系统功能(BEF)联系起来，但它主要集中在小范围内。我们回顾了现有的理论，并在BEF关系中确定了6个期望：(1)BEF关系的斜率随空间尺度的非线性变化；(2)生态系统稳定性与空间范围之间的尺度依赖关系；(3)站点内和站点间的共存将导致更大尺度上的正BEF关系；(4)环境变异性的时间自相关性影响物种周转，从而影响BEF斜率随尺度的变化；(5)元群落的连通性通过影响局部和区域尺度上的种群同步性来产生非线性BEF和稳定性关系；(6)食物网络结构和多样性的空间尺度将产生生态系统功能的尺度依赖性。我们建议综合的方向是结合元生态系统和元群落生态学的方法，并整合跨尺度的反馈。对这一理论的测试可能会将遥感与一代评估多尺度影响的联网实验结合起来。我们还展示了人为的土地覆盖变化如何改变BEF关系的尺度。关于规模在BEF中的作用的新研究将指导将生物多样性和生态系统管理目标联系起来的政策。
A rich body of knowledge links biodiversity to ecosystem functioning (BEF), but it is primarily focused on small scales. We review the current theory and identify six expectations for scale dependence in the BEF relationship: (1) a nonlinear change in the slope of the BEF relationship with spatial scale; (2) a scale-dependent relationship between ecosystem stability and spatial extent; (3) coexistence within and among sites will result in a positive BEF relationship at larger scales; (4) temporal autocorrelation in environmental variability affects species turnover and thus the change in BEF slope with scale; (5) connectivity in metacommunities generates nonlinear BEF and stability relationships by affecting population synchrony at local and regional scales; (6) spatial scaling in food web structure and diversity will generate scale dependence in ecosystem functioning. We suggest directions for synthesis that combine approaches in metaecosystem and metacommunity ecology and integrate cross-scale feedbacks. Tests of this theory may combine remote sensing with a generation of networked experiments that assess effects at multiple scales. We also show how anthropogenic land cover change may alter the scaling of the BEF relationship. New research on the role of scale in BEF will guide policy linking the goals of managing biodiversity and ecosystems.