Rubén Darío Valbuena Villareal, Diana María Gualtero Leal
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引用次数: 3
摘要
客观的对哥伦比亚Huila El Quimbo水电站泄流中大型无脊椎动物的水生生物群落进行分析。范围为了解马格达莱纳河上游流域的水生大型无脊椎动物物种做出贡献。方法论在100米线性样带的10个地点使用Surber捕捉器在6个采样站采集水生无脊椎动物。主要结果。共采集标本36490份,隶属于11纲26目79科168分类群。昆虫纲以9目(34.62%)、55科(69.62%)和137个分类群(81.55%)的值最高。对研究区水质的评估表明,所有站点的BMWP指数水质良好,ASPT指数水质可疑。对采样站之间的相似性分析发现,除MGE4外,所有采样站之间都有很大的相似性。可能是由于落入上游几米的河流中的处理过的废水的影响。结论。本文件对研究区域水生大型无脊椎动物群落的知识做出了重大贡献。然而,众所周知,水电项目的不同阶段对这些社区产生了不同程度的影响,这将是未来研究的主题。
Aquatic macroinvertebrates (Animalia: Invertebrata) of the area of influence of El Quimbo Hydroelectric Station, Huila, Colombia
Objective. To carry out an analysis of the hydrobiological communities of macroinvertebrates of the discharge flows of El Quimbo hydroelectric plant, Huila, Colombia. Scope. To make a contribution to knowledge about the aquatic macroinvertebrate species in the upper basin of the Magdalena river. Methodology. Aquatic invertebrates were collected at six sampling stations using Surber traps at 10 sites along a 100 m linear transect. Main results. A total of 36,490 specimens belonging to 11 classes, 26 orders, 79 families and 168 taxa were collected. The class Insecta presented the highest values with nine orders (34.62%), 55 families (69.62%) and 137 taxa (81.55%). The assessment of the water quality in the study area showed that all the stations have good waters quality for the BMWP index, and all the stations have questionable water quality for the ASPT index. The analysis of similarity between the sampling stations found great similarity between all the sampling stations, except MGE4. possibly due to the influence of the treated wastewater that falls into the river a few meters upstream. Conclusions. This document makes a significant contribution to the knowledge of the aquatic macroinvertebrate communities for the study area. However, it is known, that the different phases of the hydroelectric project affect these communities in different degrees, which will be the subject in future studies.