Fish Assemblage Data

Presence (1) and absence (0) of fish species across sample sites in AR, USA. Data is compiled samples taken between 1980-2009 by various state and federal agencies, universities, and museums. Data was compiled by the Arkansas GAP analysis project and was obtained from the Nature Conservancy. X and Y coordinates are provided in meters projected using NAD 1983 Albers.美国阿肯色州各采样点位的鱼类物种存在（赋值1）与缺失（赋值0）情况。该数据集整合了1980年至2009年间由各类州级、联邦机构、高等院校及博物馆采集的样本。本数据集由阿肯色州间隙分析项目（Arkansas GAP Analysis Project）整理完成，并从大自然保护协会（The Nature Conservancy）获取。数据提供的X、Y坐标以米为单位，采用NAD 1983阿尔伯斯投影坐标系。