Use este identificador para citar ou linkar para este item: 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
Encontra-se em: 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
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