Molecular diversity of dissolved organic matter reflects macroecological patterns in river networks. - Freeman, Erika C.; Mudunuru, Maruti K.; Feeser, Kelli L.; McClure, Emily Ann; González-Pinzón, Ricardo; Ward, Christopher S.; Bottos, Eric M.; Krause, Stefan; Peña, Jasquelin; Newcomer, Michelle E. (Scientific Reports, 2025)