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Length‐weight relationship of 74 fish species caught in the continental coast of Ecuador
Journal of Applied Ichthyology ( IF 0.9 ) Pub Date : 2020-09-23 , DOI: 10.1111/jai.14113
D. Coello 1, 2 , M. Herrera 2 , R. Zambrano 1
Affiliation  

This work analysis the length‐weight relationships for fish species captured by artisanal fishery along the continental coast of Ecuador. Fishermen used the following fishing gear: beach seine nets (5.1–31.8 mm), shrimp trawl nets (21.8–31.8 mm) and bottom gill nets (54.1–203.2 mm). Sampling took place during the years 2012 and 2014. Frequency of sampling was monthly, and it was completed systematically from Southern toward Northern Provinces. Length‐weight relationship (LWR) was realized by the power model (y = a × xb), for species with a bivariate dataset >70. A total of 59 commercial and 15 non‐commercial species were registered. For 74 species, our analysis including a higher total length not reported in LWR estimates previously. The determination coefficient (r2) value was always above 0.95.

中文翻译:

厄瓜多尔大陆海岸捕获的74种鱼类的长重关系

这项工作分析了厄瓜多尔大陆沿海手工渔业捕获的鱼种的长度-重量关系。渔民使用以下渔具:沙滩围网(5.1–31.8毫米),虾拖网(21.8–31.8毫米)和底刺网(54.1–203.2毫米)。抽样于2012年和2014年进行。抽样频率为每月一次,从南部省份到北部省份已系统地完成。长度-重量关系(LWR)通过功率模型实现(y  =  a  ×  x b),对于双变量数据集> 70的物种。总共注册了59个商业物种和15个非商业物种。对于74个物种,我们的分析包括此前未曾在LWR估算中报告的较高总长度。测定系数(r 2)值总是大于0.95。
更新日期:2020-09-23
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