更大的景观尺度森林覆盖和动物介导的种子传播综合征与热带安第斯森林恢复速度更快有关

IF 1.7 3区 环境科学与生态学 Q3 ECOLOGY
Biotropica Pub Date : 2025-09-06 DOI:10.1111/btp.70092
Selene Báez, Xavier Haro-Carrión, Eva Tamargo-López, Marijn Bauters, Michael P. Perring, Susana León-Yánez, Ximena Palomeque, Hans Verbeeck
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引用次数: 0

摘要

评价环境变化和景观属性对森林主动恢复成功的影响对指导森林主动恢复政策和实践具有重要意义。我们利用大规模的森林恢复工作,研究了环境因素和景观属性如何影响厄瓜多尔安第斯热带山地森林太平洋斜坡上~1000 m海拔梯度的森林恢复。在5个恢复点的92个样地中,我们确定了森林恢复参数(即物种丰富度、茎密度和地上生物量累积)与环境(即海拔和降水)和景观属性(即景观尺度成熟森林覆盖和到成熟森林的距离)之间的关系。为了探索恢复的可能机制,我们考虑了招募的树木和树苗的扩散综合征(动物性和非动物性)。森林恢复速率主要取决于立地水平森林覆盖和到森林斑块的距离之间的相互作用。大景观尺度成熟森林覆盖下,距离森林斑块越远,恢复速率越高,而低景观尺度成熟森林覆盖下,恢复速率越低。随着被招募树木和幼树的茎密度和物种丰富度恢复率的增加,与其他扩散类型相比,被调查的植物茎和/或物种与动物园相关的比例更高。这一明确的结果表明,在更广阔的景观中,动物可以调节森林的恢复速度。我们的研究结果强调了天然林遗迹在积极森林恢复过程中作为加速山地森林恢复的辅助物的价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Greater Landscape-Scale Forest Cover and Animal-Mediated Seed Dispersal Syndromes Associate With Faster Recovery Rates in Restoring Tropical Andean Forests

Evaluating the effect of environmental variation and landscape attributes on the success of active forest restoration is critical to guiding restoration policies and practices. We used a large-scale forest restoration effort to investigate how environmental factors and landscape attributes affected forest recovery along a ~1000 m elevation gradient on the Pacific slopes of Andean tropical montane forests in Ecuador. In 92 plots across five restoration sites, we determined relationships among forest recovery parameters (i.e., species richness, stem density and aboveground biomass accrual) and environmental (i.e., elevation and precipitation) and landscape attributes (i.e., landscape-scale mature forest cover and distance to mature forest). To explore possible mechanisms underlying recovery, we considered the dispersal syndromes (zoochory vs. non-zoochory) of recruited trees and saplings. Forest recovery rates depended mainly on the interaction between site-level forest cover and distance to forest patches. A greater distance to forest patches increased recovery rates at greater landscape-scale mature forest cover but was predicted to decrease rates under low landscape-scale mature forest cover. As stem density and species richness recovery rates for recruited trees and saplings increased, a greater proportion of the surveyed plant stems and/or species associated with zoochory compared to other dispersal types. This clear result suggests that animals in the wider landscape could mediate forest recovery rates. Our findings highlight the value of natural forest remnants as an aid to accelerate montane forest recovery during active forest restoration.

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来源期刊
Biotropica
Biotropica 环境科学-生态学
CiteScore
4.10
自引率
9.50%
发文量
122
审稿时长
8-16 weeks
期刊介绍: Ranked by the ISI index, Biotropica is a highly regarded source of original research on the ecology, conservation and management of all tropical ecosystems, and on the evolution, behavior, and population biology of tropical organisms. Published on behalf of the Association of Tropical Biology and Conservation, the journal''s Special Issues and Special Sections quickly become indispensable references for researchers in the field. Biotropica publishes timely Papers, Reviews, Commentaries, and Insights. Commentaries generate thought-provoking ideas that frequently initiate fruitful debate and discussion, while Reviews provide authoritative and analytical overviews of topics of current conservation or ecological importance. The newly instituted category Insights replaces Short Communications.
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