生物多样性丧失后生态系统过程补偿反应的资源限制

IF 5 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION
J. G. Hiddink, T. W. Davies
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引用次数: 0

摘要

生物多样性的丧失可能导致重要生态系统过程的衰退。生物多样性丧失对生态系统功能的影响取决于丧失物种的功能贡献和其余物种的补偿反应。其余物种的补偿反应强度在多大程度上取决于资源的可用性,目前尚不清楚。在此,我们评估了在一个为期 7 年的实验中,在施肥和不施肥的情况下,盐沼植物群的初级生产如何对物种损失的现实序列做出反应。我们发现,只要有一个物种(Triglochin maritima)保留下来,在施肥的情况下,抗灭绝物种对群落初级生产总量中逐渐减少的物种几乎可以完全补偿。在不施肥的情况下,至少需要四个物种(包括特别丰富的物种车前子)才能维持群落初级生产总量。这些结果表明,抗灭绝物种对与生物多样性逐渐丧失相关的生态系统过程衰退的补偿程度取决于资源环境,植物物种丧失后的补偿可以通过增加资源可用性来加速。最终,完全补偿似乎受限于剩余群落中物种的存在和丰富程度,这些物种具有能够补偿丧失物种的特性。综述与应用:这些发现表明,大量生物多样性-生态系统实验的结论不能用于指导自然系统的管理,因为它们没有模拟真实的物种灭绝序列,因此不能量化现实世界中生态系统服务补偿的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Resource limitation of compensatory responses in ecosystem processes after biodiversity loss

Resource limitation of compensatory responses in ecosystem processes after biodiversity loss

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来源期刊
Journal of Applied Ecology
Journal of Applied Ecology 环境科学-生态学
CiteScore
9.80
自引率
3.50%
发文量
229
审稿时长
4.5 months
期刊介绍: Journal of Applied Ecology publishes novel, high-impact papers on the interface between ecological science and the management of biological resources.The editors encourage contributions that use applied ecological problems to test and develop basic theory, although there must be clear potential for impact on the management of the environment.
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