Seed dispersers wanted

IF 13.9 1区 生物学 Q1 ECOLOGY
Walter Andriuzzi
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引用次数: 0
招聘播种机
许多树种至少部分地依靠动物来传播种子。弗里克和他的同事在《美国国家科学院院刊》上发表文章称,人类造成的动物种子传播中断可能会对热带森林的再生和碳积累能力产生潜在的巨大影响。结合来自已发表数据库的信息、来自植被样地的观测和基于特征的空间模型,作者将传播种子的鸟类和哺乳动物的局部损失和受阻的景观运动与热带地区种子传播功能的降低联系起来。他们报告说,在过去20年里,种子传播的中断有所增加,特别是在森林损失和破碎化程度较高的地区。接下来,作者研究了数千个热带森林样地的种子传播中断与碳积累率之间的关系,以估计由于种子传播受损而导致的潜在碳增益和实现碳增益之间的差距。根据他们的分析,由于种子传播中断导致的碳收益减少是相当大的,超过了干旱和火灾导致的碳收益减少,在种子传播者损失最严重的地区,碳积累可能减少四倍。因此,不考虑种子传播受损的模型很可能高估了自然森林的再生。尽管弗里克和他的同事们警告说,来自数据限制和偏见的不确定性是他们的估计所固有的,但研究结果表明,传播种子的动物是热带森林再生的关键。原始参考文献:《自然科学进展》。USA 122, e2500951122 (2025)
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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来源期刊
Nature ecology & evolution
Nature ecology & evolution Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
22.20
自引率
2.40%
发文量
282
期刊介绍: Nature Ecology & Evolution is interested in the full spectrum of ecological and evolutionary biology, encompassing approaches at the molecular, organismal, population, community and ecosystem levels, as well as relevant parts of the social sciences. Nature Ecology & Evolution provides a place where all researchers and policymakers interested in all aspects of life's diversity can come together to learn about the most accomplished and significant advances in the field and to discuss topical issues. An online-only monthly journal, our broad scope ensures that the research published reaches the widest possible audience of scientists.
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