HYDROCHEMICAL PARAMETERS AND BIOMETRIC DATA OF FISH SPECIES FROM THE BORORÉ, BILLINGS RESERVOIR, SÃO PAULO, BRAZIL

IF 0.5 4区农林科学 Q4 FISHERIES

Boletim do Instituto de Pesca Pub Date : 2021-01-01 DOI:10.20950/1678-2305/bip.2021.47.e632

Fabiana Harumi Miyasaki, S. Arruda, Letícia Carneiro Ferreira, J. S. Azevedo

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引用次数: 0

Abstract

The artisanal fishing is an important activity in Billings Reservoir (São Paulo, Brazil) and there is a paucity of biometric data about the fish in this region. Thereby, it is important to provide data about ichthyofauna that can be used for future management actions. The aim of this study was to present some data about the water quality and biometric data on fish species collected at the Bororé site (Billings Reservoir). In general, the obtained hydrochemical data raised a concern about the water quality because some parameters were above the established limit for body water class 2. A total of 170 fish were captured, corresponding to seven species and one genus. Geophagus brasiliensis was the most representative species (36%), followed by Astyanax bimaculatus (25%) and A. eigenmanniorum (20%). The hepatosomatic index (HSI) data showed differences in energy displacement between the species; the highest HSI values were observed in Hoplias malabaricus (HSImale = 1.33 ± 0.20; HSIfemale = 1.17 ± 0.82) while the smallest HSI was observed in A. fasciatus (HSImale = 0.47 ± 0.14; HSIfemale = 0.68 ± 0.35).

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巴西圣保罗sÃo billings水库中鱼类的水化学参数和生物特征数据

手工捕鱼是比林斯水库(巴西圣保罗)的一项重要活动，但该地区缺乏有关鱼类的生物特征数据。因此，重要的是提供有关鱼类的数据，可用于未来的管理行动。本研究的目的是介绍在boror站点(Billings水库)收集的一些水质数据和鱼类的生物特征数据。总的来说，获得的水化学数据引起了对水质的关注，因为一些参数超过了2类水体的规定限值。共捕获鱼170条，对应7种1属。最具代表性的是巴西土食鼠(36%)，其次是双峰土食鼠(25%)和特征土食鼠(20%)。肝体指数(HSI)数据显示不同种属间能量位移存在差异;HSI值最高的是马齿苋(Hoplias malabaricus) (HSI = 1.33±0.20;雌性HSI = 1.17±0.82)，筋膜棘猴HSI最小(雄性HSI = 0.47±0.14;HSIfemale = 0.68±0.35)。

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来源期刊

Boletim do Instituto de Pesca FISHERIES-ZOOLOGY

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： To publish original articles of research and short communications in the following áreas: Fisheries, Aquaculture, Zootechnology, Limnology, Oceanography, Biology and Pathology of aquatic organisms. The publication depends on the approval of the Editorial Board, based on the peer review.