尤卡坦半岛鸟类多样性维度的当前和未来地理模式及其在自然保护区的代表性

IF 0.9 Q4 ECOLOGY
Jazmín Escobar-Luján, S. Castaño-Quintero, F. Villalobos, A. Lira‐Noriega, X. Chiappa-Carrara, Carlos Yáñez-Arenas
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引用次数: 2

摘要

分类(TD)、系统发育(PD)和功能(FD)多样性之间预期关系的偏差可能为当前生物多样性格局的某些过程(物种形成、灭绝、竞争和迁移)提供信息。研究了未来气候变化背景下尤卡坦半岛(YP)鸟类多样性(TD、PD和FD)不同维度之间的关系。利用生态位模型预测了青藏高原257种鸟类目前和未来的潜在分布,并估算了它们的TD、PD和FD。我们计算了PD (SES.PD)和FD (SES.FD)的标准化效应大小,以提供独立于物种丰富度的系统发育和功能多样性的估计。最后,我们评估了PA系统的有效性,将每个PA中观察到的多样性值与零模型的预期值进行了比较。我们发现,在当前和未来情景中,PD与TD呈正相关,FD与TD呈负相关。最后,我们发现没有一个保护区保护的鸟类多样性比零模型所期望的要多。研究结果表明,宏观进化过程在当前尤卡坦半岛鸟类群落的组成中发挥了重要作用。我们对保护区有效性的评估表明,有必要采取综合方法来保护保护区的生物多样性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Current and future geographic patterns of bird diversity dimensions of the Yucatan Peninsula and their representativeness in natural protected areas
ABSTRACT The deviation of expected relationships between taxonomic (TD), phylogenetic (PD), and functional (FD) diversity may inform about some processes (speciation, extinction, competition, and migration) responsible for current biodiversity patterns. We studied the relationship between different dimensions of bird diversity (TD, PD, and FD) of the Yucatan Peninsula (YP) in a context of future climate change. We used ecological niche models to predict the current and future potential distribution of 257 bird species of the YP and estimate their TD, PD, and FD. We calculated a standardized effect size of PD (SES.PD) and FD (SES.FD) to provide an estimation of phylogenetic and functional diversity, independent from species richness. Finally, we evaluated the effectiveness of the system of PAs comparing the observed diversity values in each PA versus what is expected for a null model. We found a positive correlation between PD and TD, and a negative correlation between FD and TD in the current and future scenarios. Finally, we found that none of the PAs protect more diversity of birds than expected by a null model. Our results suggest that macroevolutionary processes have played an important role in the composition of the current Yucatan Peninsula avian assemblages. Our assessment of the effectiveness of the PAs suggests the need to adopt an integrative approach to biodiversity conservation in the YP.
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来源期刊
Neotropical Biodiversity
Neotropical Biodiversity Environmental Science-Ecology
CiteScore
1.80
自引率
0.00%
发文量
39
审稿时长
24 weeks
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