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Climate influences the response of community functional traits to local conditions in bromeliad invertebrate communities
Ecography ( IF 5.4 ) Pub Date : 2020-11-26 , DOI: 10.1111/ecog.05437
Laura Melissa Guzman 1, 2 , M. Kurtis Trzcinski 3 , Ignacio M. Barberis 4 , Régis Céréghino 5 , Diane S. Srivastava 1 , Benjamin Gilbert 6 , Valério D. Pillar 7 , Paula M. de Omena 8, 9 , A. Andrew M. MacDonald 5, 10 , Bruno Corbara 11 , Céline Leroy 12, 13 , Fabiola Ospina Bautista 14, 15 , Gustavo Q. Romero 8 , Pavel Kratina 16 , Vanderlei J. Debastiani 7 , Ana Z. Gonįalves 17 , Nicholas A. C. Marino 18, 19 , Vinicius F. Farjalla 19 , Barbara A. Richardson 20, 21 , Michael J. Richardson 20, 21 , Olivier Dézerald 22 , Gustavo C. O. Piccoli 23 , Merlijn Jocqué 24 , Guillermo Montero 4
Affiliation  

Functional traits determine an organism's performance in a given environment and as such determine which organisms will be found where. Species respond to local conditions, but also to larger scale gradients, such as climate. Trait ecology links these responses of species to community composition and species distributions. Yet, we often do not know which environmental gradients are most important in determining community trait composition at either local or biogeographical scales, or their interaction. Here we quantify the relative contribution of local and climatic conditions to the structure and composition of functional traits found within bromeliad invertebrate communities. We conclude that climate explains more variation in invertebrate trait composition within bromeliads than does local conditions. Importantly, climate mediated the response of traits to local conditions; for example, invertebrates with benthic life‐history traits increased with bromeliad water volume only under certain precipitation regimes. Our ability to detect this and other patterns hinged on the compilation of multiple fine‐grained datasets, allowing us to contrast the effect of climate versus local conditions. We suggest that, in addition to sampling communities at local scales, we need to aggregate studies that span large ranges in climate variation in order to fully understand trait filtering at local, regional and global scales.

中文翻译:

气候影响凤梨无脊椎动物社区的社区功能特征对当地条件的响应

功能性状决定了有机体在给定环境中的性能,因此决定了将在何处发现哪些生物。物种不仅响应当地条件,而且还响应更大的梯度梯度,例如气候。特质生态学将物种的这些反应与群落组成和物种分布联系起来。但是,我们通常不知道在确定局部或生物地理尺度上的群落特征组成或它们之间的相互作用时,哪种环境梯度最重要。在这里,我们量化了在凤梨无脊椎动物群落中发现的局部和气候条件对功能性状的结构和组成的相对贡献。我们得出的结论是,与本地条件相比,气候解释了凤梨科动物无脊椎动物性状组成的更多差异。重要的,气候介导了性状对当地条件的反应;例如,仅在某些降水条件下,具有底栖生物生活史特征的无脊椎动物随着凤梨科水量的增加而增加。我们检测此模式和其他模式的能力取决于多个细粒度数据集的汇编,从而使我们能够对比气候与当地条件的影响。我们建议,除了在地方尺度上对社区进行抽样之外,我们还需要汇总跨大范围气候变化的研究,以便全面了解地方,区域和全球尺度上的特征过滤。我们检测此模式和其他模式的能力取决于多个细粒度数据集的汇编,从而使我们能够对比气候与当地条件的影响。我们建议,除了在地方尺度上对社区进行抽样之外,我们还需要汇总跨大范围气候变化的研究,以便全面了解地方,区域和全球尺度上的特征过滤。我们检测此模式和其他模式的能力取决于多个细粒度数据集的汇编,从而使我们能够对比气候与当地条件的影响。我们建议,除了在地方尺度上对社区进行抽样之外,我们还需要汇总跨大范围气候变化的研究,以便全面了解地方,区域和全球尺度上的特征过滤。
更新日期:2020-11-26
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