Title: Metapopulation-level associations in positively interacting stream fishes Author: Seoghyun Kim, Christine L. Dolph, and Akira Terui File Descriptions data_gis folder: 4 GeoPackage files. figure folder: 3 figures (Fig. 1, 2) in the manuscript and 1 figure (Appendix S2) in the appendix. analysis_GLMM.R: main analysis (generalized linear mixed model) using R package glmmTMB. analysis_correlation_test.R: Spearman correlation test based on metapopulation occupancy of five focal species and abiotic variables. analysis_moran_index.R: Spatial auto-correlation test (Moran' I) based on a binomial generalized linear model (null model). Note that the raw data are not available in this repository due to licensing issues. Data sources GIS layers adapted from the following materials are licensed under: US National Land Cover Database: (https://doi.org/10.5066/P96HHBIE) Climatologies at high resolution for the earth's land surface areas: (https://doi.org/10.1038/s41597-020-00587-y) MERIT Hydro (high-resolution global hydrography map based on latest topography datasets): (https://doi.org/10.1029/2019WR024873) Global 1-second water body map version 1.0 (https://doi.org/10.1016/j.rse.2015.10.014)