# Pastebin ApMAK9VQ
[nix-shell:~]$ nix why-depends nixpkgs.saga nixpkgs.netcdf
/nix/store/bhi2sxaawijnd9chd1nb7hlidz82hs4x-saga-6.2.0
╚═══lib/saga/libio_gdal.la: …-3.6.1/lib -lopenjp2 /nix/store/zchkzwsgsnl8aqbxzvi7hh93bdfl4759-netcdf-4.6.1/lib/libnetcdf.la -…
    => /nix/store/zchkzwsgsnl8aqbxzvi7hh93bdfl4759-netcdf-4.6.1