Tabulation of data obtained from the application of questionnaires to fishermen on the lower Tocantins River ​

Main data obtained from the application of questionnaires to fishermen on the lower Tocantins River in the manuscript "Arapaima gigas stocks have declined drastically in the lower Tocantins River in the Amazon Microregion".
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本数据集的核心数据源自针对亚马逊微区域托坎廷斯河下游渔民开展的问卷调查，相关内容出自题为《亚马逊微区域托坎廷斯河下游巨骨舌鱼（Arapaima gigas）种群数量急剧下降》的研究手稿。