Niokolo-Koba 50-Year Supplementary Dataset: Species, Climate, Demographics, and Land Use Context for the NK-Badiar Transboundary Complex

Version 2: Fact-checked and corrected. 23 structured JSON files covering 1,608 vertebrate and plant species, 50-year climate timeseries, demographic pressure, deforestation, mining economics, agricultural expansion, enforcement data, UNESCO decision history, and water/hydrology for the Niokolo-Koba / Badiar transboundary complex (Senegal/Guinea). Corrections from v1: lion population 29-50 (was ~30), species total 1,608 (was 1,670), wild dog range 1-of-13 W. African countries (was 0), range loss ~93% IUCN-cited (was 93.5% internal metric), mercury 3.9t/yr Kedougou-Gambia basin (was 5.2t total), fish species Enteromius niokoloensis (was Barbus). All data from free public APIs: GBIF, IUCN, ERA5, World Bank, GFW, FishBase, UNESCO WHC, Panthera.版本2：经过事实核查与修正。本数据集包含23个结构化JSON文件，覆盖塞内加尔与几内亚境内的尼奥科罗-科巴/巴迪亚尔跨界复合体的1608种脊椎动物和植物物种、50年气候时间序列、人口压力、森林砍伐、矿业经济、农业扩张、执法数据、联合国教科文组织决策历史以及水文与水资源数据。相较于版本1的修正内容如下：狮子种群数量为29-50只（原估算约30只）；物种总数修正为1608种（原统计为1670种）；非洲野犬的分布范围覆盖13个西非国家中的1个（原统计为0个国家）；分布区损失率采用国际自然保护联盟（IUCN）引用的约93%（原内部统计指标为93.5%）；凯杜古-冈比亚盆地的汞排放量为3.9吨/年（原统计总排放量为5.2吨）；鱼类物种修正为Enteromius niokoloensis（原归类为Barbus属）。所有数据均来自免费公开的应用程序编程接口（API）：GBIF、IUCN、ERA5、世界银行、GFW、FishBase、UNESCO WHC、Panthera。