Reassembly dynamics of tropical secondary succession: Evidence from Atlantic forests

IF 5.6 1区 环境科学与生态学 Q1 ECOLOGY
Renato Miazaki de Toledo, Vania Regina Pivello, Pieter Vangansbeke, Catarina Jakovac, Kris Verheyen, Luciano Martins Verdade, Renato A. F. de Lima
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Abstract

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热带次生演替的重组动态:来自大西洋森林的证据
次生演替最基本的预测之一是,在演替后期,具有抗逆性的物种逐渐被其他更强的竞争者所取代。然而,目前尚不清楚这种替代有多普遍,以及它是否适用于区域类型的恢复森林。在这里,我们使用包含分布在这个生物多样性热点地区的497个树木群落的物种丰度数据的数据集,确定了这些物种群,以及它们在主要大西洋森林亚型(即Araucaria林、雨林和季节性林)演替过程中如何相互取代。我们还测试了与演替阶段的关联是否可以用物种分类或功能性状来解释。演替阶段之间和演替阶段内的物种组成差异显著。其中237种为干扰机会型,650种为干扰敏感型。无论演替阶段如何,物种更替率都很低,大多数物种(61.38%)的丰度和频率都很低(在亚型中占5%)。在所有演替阶段均有249种物种丰富,占调查树木总数的45.8%。种与演替阶段的关系与分类学关系不大。此外,比叶面积、最大高度、木材密度和种子质量等性状在物种群内变化很大,不适合预测物种演替阶段的适宜性。合成。研究表明,大西洋森林演替过程中的物种更替只适用于有限的物种,物种重组在时间和空间上是可变的。总的来说,我们的研究说明了物种对人为干扰敏感性的区域测量在评估热带森林演替中的重要性。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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