人口增长加上对电能的需求,导致圣保罗州建设了数百座水力发电厂,巴西。这些干预措施的后果是河流的支离破碎,形成障碍,阻碍迁徙鱼类的流动性,对这些物种的生命周期产生影响,尤其是在饲养区和饲养区之间的运动。出于这个原因,本文旨在评估有关大坝的最新知识,自由伸展,以及圣保罗州及其支流的三个主要流域的迁徙物种。通过对2003年至2023年的系统评价,共获得89篇文章,其中48个是关于水坝的,5解决了鱼类换位系统,和36个描绘迁徙物种。在上半场,研究更多地集中在水坝对鱼类动物的影响上,而在研究的后半部分,对洄游鱼类的研究占主导地位。大多数研究是在主要河流中进行的,支流中很少。最后,16种迁徙物种,考虑到长距离,被研究过,研究最多的是P.lineatus,P.maculatus,L.Friderici,obtusidens和S.hilarri以及在河流中最常见的是Prochiloduslineatus,斑毛虫,巨大孢子虫和沙门氏菌。因此,我们建议维持圣保罗州主要河流和支流中仍然存在的自然流态,以维持所库存物种的健康种群。
Population growth combined with the need for electrical energy resulted in the construction of hundreds of hydroelectric plants in the state of São Paulo, Brazil. The consequence of these interventions was the fragmentation of rivers, forming barriers, that hinder the mobility of migratory fish species, generating an impact on the life cycle of these species, especially about movement between breeding and feeding areas. For this reason, this article aimed to evaluate the state-of-the-art knowledge regarding dams, free stretches, and migratory species in the three main river basins of the state of São Paulo and its tributaries. Through a systematic review from 2003 to 2023, 89 articles were obtained, 48 of which were about dams, 5 which addressed fish transposition systems, and 36 portraying migratory species. In the first half, research focused more on the impacts of dams on fish fauna, while in the second half of the period studied, studies of migratory fish were dominant. Most research was conducted in the main rivers, with few in the tributaries. Finally, 16 migratory species, considered long-distance, were studied, the most studied being P. lineatus, P. maculatus, L. friderici, M. obtusidens and S. hilarri and the ones that occurred most frequently in rivers are Prochilodus lineatus, Pimelodus maculatus, Megaleporinus obtusidens and Salminus hilarii. Therefore, we recommend maintaining the natural flow regime that still exists in the main rivers and tributaries of the state of São Paulo, to maintain healthy populations of the inventoried species.