Fish CPUE Total Lake

Contains all calculations of CPUE ('catch per unit effort') total from fish survey in lake in VanDa. The dataset contains information about location, time and the result from several CPUE total calculations. VanDa is the Danish Environmental Portal's system for entering data for clean surface water. VanDa contains data for the lake, streams and the marine area when it comes to chemistry, flora and fauna.本数据集涵盖凡达（VanDa）系统所辖湖泊鱼类调查的总单位捕捞努力量渔获量（catch per unit effort，CPUE）的全部计算结果。数据集包含多次总单位捕捞努力量渔获量计算的相关信息，涉及采样地点、调查时间及计算结果。凡达（VanDa）是丹麦环境门户（Danish Environmental Portal）用于录入洁净地表水相关数据的专属系统。在化学指标、动植物群落相关数据维度下，凡达系统涵盖了湖泊、溪流及海域的对应数据。