00757naa#a2200181#i#4500001001600000005001700016011001400033100004100047101000800088102000700096200021300103210005800316215001000374608002700384675012200411700002100533856002100554EN\\bibl\11239820260321104015.6##a2311-1402##a20210625b2021####ek#y0engy0150####ca0#aRUS##aRU1#aApproach to optimizing ecological monitoring of water quality using indicators of constancy of higher water vegetation (using example of upper course of white river in Bashkortostan republic)eJournal article1#aNizhnevartovskcNizhnevartovsk State Universityd2021##a4 с.##aJournal article2local##aОбщая экология. Биоценология. Гидробиология. Биогеография. 574zRUS#1aChausgBoris Yu 4#anvsu.editorum.ru