严重人为压力下热带河口鱼类的生物多样性(巴西多塞河)

IF 2 4区 生物学 Q1 ZOOLOGY
V. L. Rodrigues, H. C. Guabiroba, C. C. Vilar, Ryan Andrades, Alexandre Villela, M. Hostim-Silva, J. Joyeux
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引用次数: 1

摘要

在过去的几个世纪里,多斯河经历了严重的变化(如流量调节、污染、栖息地和物种丧失)。本文首次对杜斯河河口进行了鱼类生物多样性综合评价,并总结了自18世纪初以来对整个河流的主要影响及其驱动因素。在记录到的115种中,最具代表性的目是冠形目、志留形目和欧洲蝇目。主要种类为原生(87.8%)、泛盐/周边(80%)和底栖动物(33.9%)。受威胁物种(大副长尾鹬、baridens barbus和蓝翅鹬)和近危物种(Cynoscion coupa、ator maculatus、lujanus jocu、lujanus synagris和Mugil liza)是外围物种。13种是外来物种(Butis koilomatodon、Coptodon rendalli和Oreochromis niloticus)或流域水平(Pygocentrus nattereri和Salminus brasiliensis)。在巴西东海岸首次发现了鲶鱼Cathorops cf. arenatus,在河口发现了在多塞河被认为已经灭绝的大鳞鳞鲶鱼(Paragenidens grandoculis)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fish biodiversity of a tropical estuary under severe anthropic pressure (Doce River, Brazil)
Abstract The Doce River has undergone severe changes over the last centuries (e.g., flow regulation, pollution, habitat and species loss). Here, we present the first comprehensive fish biodiversity assessment of the Doce River estuary and a summary of the main impacts and their drivers for the whole river since the early 18th century. Carangiformes, Siluriformes and Eupercaria incertae sedis were the most representative orders for the 115 species recorded. Most species are native (87.8%), euryhaline/peripheral (80%) and zoobenthivorous (33.9%). Threatened (Paragenidens grandoculis, Genidens barbus, and Lutjanus cyanopterus) and near threatened (Cynoscion acoupa, Dormitator maculatus, Lutjanus jocu, Lutjanus synagris, and Mugil liza) species are peripheral. Thirteen species are exotic at the country (Butis koilomatodon, Coptodon rendalli, and Oreochromis niloticus) or the basin level (e.g., Pygocentrus nattereri and Salminus brasiliensis). The catfish Cathorops cf. arenatus is reported for the first time on the eastern coast of Brazil and Paragenidens grandoculis, considered extinct in the Doce River, was discovered in the estuary.
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来源期刊
Neotropical Ichthyology
Neotropical Ichthyology 生物-动物学
CiteScore
2.80
自引率
17.60%
发文量
24
审稿时长
6-12 weeks
期刊介绍: Neotropical Ichthyology is the official journal of the Sociedade Brasileira de Ictiologia (SBI). It is an international peer-reviewed Open Access periodical that publishes original articles and reviews exclusively on Neotropical freshwater and marine fishes and constitutes an International Forum to disclose and discuss results of original research on the diversity of marine, estuarine and freshwater Neotropical fishes. -Frequency: Four issues per year published only online since 2020, using the ‘rolling pass’ system, which posts articles online immediately as soon as they are ready for publication. A searchable and citable Digital Object Identifier (DOI) is assigned to each article immediately after online publication, with no need to await the issue’s closing. -Areas of interest: Biology, Biochemistry and Physiology, Ecology, Ethology, Genetics and Molecular Biology, Systematics. -Peer review process: The Editor-in-Chief screens each manuscript submitted to Neotropical Ichthyology to verify whether it is within the journal’s scope and policy, presents original research and follows the journal’s guidelines. After passing through the initial screening, articles are assigned to a Section Editor, who then assigns an Associate Editor to start the single blind review process.
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