Rocky reef fish biodiversity and conservation in a Brazilian Hope Spot region

IF 2 4区生物学 Q1 ZOOLOGY

Neotropical Ichthyology Pub Date : 2022-01-01 DOI:10.1590/1982-0224-2022-0032

Augusto A. Machado, F. Moraes, A. Aguiar, M. Hostim-Silva, L. N. Santos, Á. Bertoncini

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引用次数: 1

Abstract

Abstract Coastal islands of Grande Rio, located south Rio de Janeiro and Maricá cities have been under multiple anthropogenic impacts. Despite these problems, these insular systems shelter a high diversity of fish species. Reef fishes are essential components of tropical marine coastal communities, also providing food and income for millions of people around the world. In this work, we generated an updated checklist from Cagarras Islands Natural Monument and surrounding areas based on fisheries data, literature records and multiple sampling techniques, including the Submersible Rotating Video technique, used for the first time in Brazil. We present an inventory of 282 fish species representing 91 different families, with 21 new records for the study area, including a non-native species (Heniochus acuminatus). In addition, our results show a moderate endemism level for the Brazilian province (approximately 6.0%), while 10.5% of species are assigned to one of IUCN’s threatened categories. Our efforts show the fish biodiversity scenario and their distribution on coastal islands more than 10 years after the Cagarras Islands Natural Monument establishment, reinforcing the importance of monitoring research programs for the management of this Marine Protected Area and surrounding waters, that play a key role for artisanal fisheries.

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巴西Hope Spot地区岩礁鱼类的生物多样性及其保护

位于巴西里约热内卢和马里市南部的格兰德巴西沿海岛屿一直受到多种人为影响。尽管存在这些问题，这些岛屿系统庇护了高度多样化的鱼类。珊瑚鱼是热带沿海海洋群落的重要组成部分，也为全世界数百万人提供食物和收入。在这项工作中，我们根据渔业数据、文献记录和多种采样技术(包括在巴西首次使用的潜水旋转视频技术)，从卡加拉斯群岛自然保护区及周边地区生成了一份更新的清单。我们对研究区91科282种鱼类进行了调查，其中21种为新记录，包括一种非本地物种(尖尾猴)。此外，我们的结果表明，巴西省的特有程度中等(约6.0%)，而10.5%的物种被分配到IUCN的一个受威胁类别。我们的研究表明，在卡加拉斯群岛自然保护区建立10多年后，沿海岛屿上的鱼类生物多样性及其分布情况，加强了监测研究项目对该海洋保护区及其周围水域管理的重要性，这些项目对手工渔业起着关键作用。

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来源期刊

Neotropical Ichthyology 生物-动物学

CiteScore

2.80

自引率

17.60%

发文量

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.