The role of the environment and connectivity on multiple facets of local fish diversity in tropical headwater streams

IF 2.8 2区 生物学 Q2 ECOLOGY Freshwater Biology Pub Date : 2024-07-30 DOI:10.1111/fwb.14312
André Ribeiro-Martins, Douglas Aviz Bastos, Leandro Melo Sousa, Tommaso Giarrizzo, Silvia Vendruscolo Milesi, Luiz Ubiratan Hepp
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环境和连通性对热带淡水溪流当地鱼类多样性多个方面的作用
确定生物多样性的多个方面(如系统发育和功能)有助于了解生物群落的进化和生态机制是如何形成的。在此,我们采用多元回归和方差分区的方法,研究了环境条件、连通性和空间对东亚马孙地区新古河流域热带源头溪流中鱼类功能和系统发育方面的影响。我们发现,鱼类群落的功能和系统发育多样性与当地环境条件和排水网络中的溪流连通性有关,雨季和旱季之间存在明显差异。此外,我们还发现,功能独特性主要受环境因素的影响,而系统发育独特性与当地环境因素和连通性的影响关系更为复杂。我们的研究结果表明,新古河流域小型源头溪流中的鱼类组合有着密切的系统发育历史。这可能是因为亚马逊鱼类在进化过程中经历了气候和环境的稳定性。我们的发现强调了基于生态位的过程在形成源头溪流鱼类群独特功能组成中的作用,并突出了环境异质性在维持这些淡水生态系统生态完整性中的重要性。
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来源期刊
Freshwater Biology
Freshwater Biology 生物-海洋与淡水生物学
CiteScore
5.90
自引率
3.70%
发文量
162
审稿时长
2 months
期刊介绍: Freshwater Biology publishes papers on all aspects of the ecology of inland waters, including rivers and lakes, ground waters, flood plains and other freshwater wetlands. We include studies of micro-organisms, algae, macrophytes, invertebrates, fish and other vertebrates, as well as those concerning whole systems and related physical and chemical aspects of the environment, provided that they have clear biological relevance. Studies may focus at any level in the ecological hierarchy from physiological ecology and animal behaviour, through population dynamics and evolutionary genetics, to community interactions, biogeography and ecosystem functioning. They may also be at any scale: from microhabitat to landscape, and continental to global. Preference is given to research, whether meta-analytical, experimental, theoretical or descriptive, highlighting causal (ecological) mechanisms from which clearly stated hypotheses are derived. Manuscripts with an experimental or conceptual flavour are particularly welcome, as are those or which integrate laboratory and field work, and studies from less well researched areas of the world. Priority is given to submissions that are likely to interest a wide range of readers. We encourage submission of papers well grounded in ecological theory that deal with issues related to the conservation and management of inland waters. Papers interpreting fundamental research in a way that makes clear its applied, strategic or socio-economic relevance are also welcome. Review articles (FRESHWATER BIOLOGY REVIEWS) and discussion papers (OPINION) are also invited: these enable authors to publish high-quality material outside the constraints of standard research papers.
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