对马格达莱纳河流域水库中非本地鱼类知识的贡献:以Piedras blancas水库为例

IF 0.9 Q4 ECOLOGY Neotropical Biodiversity Pub Date : 2022-07-28 DOI:10.1080/23766808.2022.2104971
Daniel Restrepo Santamaria, Daniel Valencia-Rodríguez, J. Herrera-Pérez, Sebastián Muñoz-Duque, Andrés Felipe Galeano, L. Jiménez-Segura
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引用次数: 0

摘要

摘要马格达莱纳河流域不同水系的水库建设造成的栖息地破碎化对哥伦比亚安第斯地区鱼类和水生环境的多样性构成了潜在威胁。了解在这些情况下鱼类群落是如何形成的,对于流域水生资源的管理和决策至关重要。在这封信中,我们描述了Piedras Blancas水库影响区的鱼类特征描述结果,这是一座为水力发电而建造的安第斯高水库。仅捕获了构成评估组合的三种鱼类,其中两种,鲤鱼和斑剑鱼,不是该流域的本地鱼类。也许,只要加大采样力度,就能发现更多的物种。本地物种Hemibrycon sp.主要分布在小溪中,而在水库中,引入物种占主导地位。环境变量处于评估环境中生命发展的最佳范围内。重要的是要提高对引进物种和本地物种在流域中分布的了解,以提出有助于管理哥伦比亚安第斯山脉水生系统中这些物种的建议。
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Contribution to the knowledge of non-native fishes in reservoirs in the Magdalena River basin: the study case Piedras blancas reservoir
ABSTRACT The habitat fragmentation caused by reservoir construction in different aquatic systems in the Magdalena River basin is a latent threat to the diversity of fishes and aquatic environments in the Andean region of Colombia. Contributing to the knowledge about how fish assemblages are formed in these scenarios is fundamental for the management and decision-making on the aquatic resources of the basin. In this communication, we describe the results of a fish characterization in the area of influence of the Piedras Blancas reservoir, a high Andean reservoir built for hydroelectric power generation. Only three species of fish that make up the evaluated assemblage were captured, and two of them, Cyprinus carpio and Xiphophorus maculatus, are not native to the basin. Possibly, with a greater sampling effort, more species can be found. The native species Hemibrycon sp. is distributed mainly in a creek, while in the reservoir, the introduced species dominate. The environmental variables were in optimal ranges for the development of life in the evaluated environments. It is important to advance the knowledge about the distribution of the introduced and native species in the basin to generate recommendations that contribute to the management of these species in the aquatic systems of Colombian Andes.
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来源期刊
Neotropical Biodiversity
Neotropical Biodiversity Environmental Science-Ecology
CiteScore
1.80
自引率
0.00%
发文量
39
审稿时长
24 weeks
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