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https://repositorio.inpa.gov.br/handle/1/16565
Título: | Water diversion in Brazil threatens biodiversity |
Autor: | Daga, Vanessa Salete Azevedo-Santos, Valter Monteiro de Pelicice, Fernando Mayer Fearnside, Philip Martin Perbiche-Neves, Gilmar Paschoal, Lucas R.P. Cavallari, Daniel Caracanhas Erickson, José Ruocco, Ana Maria Cirino Oliveira, Igor Padial, André Andrian Simões Vitule, Jean Ricardo |
Palavras-chave: | Aquatic Organism Biodiversity Biological Invasion Biotic Factor Conservation Status Environmental Impact Invertebrate River Basin Vertebrate California San Francisco [california] Tocantins United States Amphibia Animalsia Crustacea Hexapoda Mammalia Mollusca Pisces Reptilia Fresh Water Water Animals Biodiversity Fish River Animal Biodiversity Fishes Fresh Water Rivers Water |
Data do documento: | 2020 |
Revista: | Ambio |
É parte de: | Volume 49, Número 1, Pags. 165-172 |
Abstract: | Construction of water diversions is a common response to the increasing demands for freshwater, often resulting in benefits to communities but with the risk of multiple environmental, economic, and social impacts. Water-diversion projects can favor massive introductions and accelerate biotic homogenization. This study provides empirical evidence on the consequences of a proposed law intended to divert water from two large and historically isolated river basins in Brazil: Tocantins to São Francisco. Compositional similarity (CS) and β-diversity were quantified encompassing aquatic organisms: mollusks, zooplankton, crustaceans, insects, fishes, amphibians, reptiles, mammals, and plants. For CS we (i) considered only native species, and (ii) simulated the introduction of non-natives and assumed the extinction of threatened species due to this water-diversion project. We highlight the environmental risks of such large-scale projects, which are expected to cause impacts on biodiversity linked to bioinvasion and homogenization, and we recommend alternatives in order to solve water-demand conflicts. © 2019, Royal Swedish Academy of Sciences. |
DOI: | 10.1007/s13280-019-01189-8 |
Aparece nas coleções: | Artigos |
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