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Information × Registration Number 2113U004932, Article popup.category Thesis Title popup.author popup.publication 01-01-2013 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/31617 popup.publisher Сумський державний університет Description It was declared by Convention of Biological Diversity (Rio-de-Janeiro, 1992), that its conservation and sustainable use is the common problem of all mankind. Due to their considerable productivity wetlands are able to maintain biotic diversity at the highest level. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/31617 popup.nrat_date 2025-05-12 Close