Freshwater fish species distribution in Spain

Database containing information on 40 freshwater fish species distribution across Spain at 1km grid cell resolution 1. Main file: Species_distribution_UTM_prob1000_2025.csv The information was obtained through the development of Species Distribution Models using BIOMOD 2 (Thuiller et al. 2009) calibrated and validated on the most complete databases on fish occurrences across Spain. The database contains in the rows all UTM1x1 km within the river network, as defined by Spanis Government (Ministerio para la Transición Ecológica), and for each species includes information on the habitat suitability derived from our models (ranging from 1-1000, being 1 low habitat suitability and 1000 high habitat suitability). The projections of habitat suitability values were restricted to the hidrological basins within the natural distribution range for each species (i.e., in the hidrological basins where there was at least one presence occurence of the fish species). The hidrological basin used can be found here: https://www.miteco.gob.es/es/cartografia-y-sig/ide/descargas/agua/demarcaciones-hidrograficas-phc-2015-2021.aspx For more information about the models, see: Lanzas et al., 2022 2. Species_code_information.csv included the relation between the code used in the main database and scientific name of the species 3. UTM zip file Shapefile with the grid cells. This is also available at: https://www.miteco.gob.es/es/biodiversidad/servicios/banco-datos-naturaleza/informacion-disponible/bdn-cart-aux-descargas-ccaa.html本数据集包含西班牙境内40种淡水鱼类在1km网格单元分辨率下的分布信息。 1. 主文件：Species_distribution_UTM_prob1000_2025.csv 本数据集的信息基于BIOMOD 2（Thuiller等，2009）构建的物种分布模型生成，模型以西班牙境内最完整的鱼类出现记录数据库完成校准与验证。 数据集的行对应西班牙生态转型部（Ministerio para la Transición Ecológica）定义的河网范围内所有1×1km UTM网格单元；针对每个物种，数据集包含模型推导得到的生境适宜度信息（取值范围为1~1000，其中1代表低生境适宜度，1000代表高生境适宜度）。 生境适宜度投影仅限定于各物种自然分布范围内的水文盆地（即至少存在1次该鱼类物种出现记录的水文盆地）。所用水文盆地数据可通过以下链接获取：https://www.miteco.gob.es/es/cartografia-y-sig/ide/descargas/agua/demarcaciones-hidrograficas-phc-2015-2021.aspx 如需了解模型的更多细节，请参考Lanzas等，2022年的研究。 2. Species_code_information.csv：该文件包含主数据库中所用物种代码与物种学名的对应关系。 3. UTM压缩包：包含网格单元的形状文件（Shapefile）。该数据也可通过以下链接获取：https://www.miteco.gob.es/es/biodiversidad/servicios/banco-datos-naturaleza/informacion-disponible/bdn-cart-aux-descargas-ccaa.html