Nueve décadas de explotación de sardina Sardinella aurita en Venezuela, revisión crítica

Q4 Agricultural and Biological Sciences
Alfredo Gómez Gaspar
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引用次数: 1

Abstract

The Spanish sardine Sardinella aurita, is the most important fishing resource in Venezuela, on Margarita Island it began its fishing and canning. This review estimates catch over nine decades and causes of fishing continuity. In 90 years, 4,386,758 tons were caught, a modest volume due to poor statistics. Three management ordinances have been enacted the first appeared after 40 years of activity in canning plants. The sardine industry has four periods, the first between 1927 and 1973 without fishing regulation and another three (1974-2005; 2006-2013 and 2014-2017) when the ordinances are applied. In each one the catch, annual average, operating gears, the capture per unit of effort and relevant investigations are considerate. The current regulation was based on the noticeable decrease in catches since 2005, which is why, in 2013, a ban was imposed and the minimum catch size was established at 19 cm. The regulation is ineffective because after seven years, the catches do not recover previous levels, in addition, it is incomprehensible to increase fishing gear (357 fishing in 2017). The artisanal fishing with beach seine (chinchorro) and the average maturity size of the species explain the permanence of the fishery, which endangered by the intensive use of purse seines that must be restricted.
委内瑞拉沙丁鱼90年的开发,批判性回顾
西班牙沙丁鱼Sardinella aurita是委内瑞拉最重要的渔业资源,在玛格丽塔岛上开始了捕捞和罐装。这篇综述估计了90年来的渔获量以及捕鱼连续性的原因。在90年中,捕获了4386758吨,由于统计数据不足,数量不多。三项管理条例已经颁布,第一项是在罐头厂活动40年后颁布的。沙丁鱼行业有四个时期,第一个时期是1927年至1973年,没有捕鱼法规,另外三个时期(1974年至2005年;2006年至2013年和2014年至2017年)适用这些条例。在每一次捕获中,捕获量、年平均值、操作装置、每单位努力的捕获量和相关调查都是考虑周到的。目前的规定是基于自2005年以来渔获量的显著下降,这就是为什么在2013年实施了一项禁令,并将最小渔获量定为19厘米。该规定无效,因为七年后,渔获量没有恢复到以前的水平,此外,增加渔具是令人费解的(2017年为357次捕鱼)。海滩围网(chinchorro)的手工捕鱼和该物种的平均成熟度大小解释了渔业的持久性,因为必须限制围网的密集使用而危及渔业。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Boletin de Investigaciones Marinas y Costeras
Boletin de Investigaciones Marinas y Costeras Environmental Science-Water Science and Technology
CiteScore
0.70
自引率
0.00%
发文量
15
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