Spatial and climatic drivers of β-diversity in assemblages of angiosperm genera across the world

IF 5.6 1区 环境科学与生态学 Q1 ECOLOGY Journal of Ecology Pub Date : 2024-10-30 DOI:10.1111/1365-2745.14428
Hong Qian, Shenhua Qian, Michael Kessler
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全球被子植物种属集合的 β 多样性的空间和气候驱动因素
β 多样性量化了不同地区之间分类和系统发育组成的变化。它可分为两个相加成分(周转率和嵌套度)。地理距离(反映散布限制)和气候距离(反映环境过滤)是β多样性的主要驱动因素,但很少有研究评估它们在全球范围内对β多样性的相对重要性。在此,我们研究了全球区域植物区系中被子植物属的β多样性与区域内气候条件以及区域间地理和气候距离的关系。我们发现:(1) 与第四纪气候变化相比,当前气候对系统发育更替的影响更大;(2) 在所研究的当前气候变量中,年平均气温是系统发育更替的最强驱动因素,其次是降水季节性;(3) 降水季节性强的地区具有较高的系统发育β多样性和系统发育更替;(4) 在全球范围内,由地理距离和气候距离共同解释的系统发育更替的变异平均远大于由其中任何一个距离单独解释的变异,但地理距离比气候距离更能解释系统发育更替的变异。综述。这些结果揭示了地理隔离和气候过滤在决定全球植物组成方面的协同作用,而第四纪气候变化的影响较小。
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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 We do not publish papers concerned solely with cultivated plants and agricultural ecosystems.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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