The decline of fisheries on the Madeira River, Brazil: The high cost of the hydroelectric dams in the Amazon Basin

Despite being considered beneficial by providing a clean and renewable source of energy, the construction of hydroelectric dams has extremely negative implications for Amazonian fisheries. This study investigated the impacts of the Santo Antônio and Jirau hydroelectric dams on the fishery stocks of...

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Vydané v:Fisheries management and ecology Ročník 25; číslo 5; s. 380 - 391
Hlavní autori: Santos, Rangel E., Pinto‐Coelho, Ricardo M., Fonseca, Rogério, Simões, Nadson R., Zanchi, Fabrício B.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Oxford Wiley Subscription Services, Inc 01.10.2018
Predmet:
anthropogenic activities
basins
biodiversity
Brazil
Clean energy
Dam construction
Dams
dams (hydrology)
energy
environmental impact
Fish
fish fauna
Fish stocks
Fisheries
fisheries statistics
Fishing
fishing colony
fluviometry
Hydroelectric dams
Hydroelectric power
impoundments
population dynamics
prices
Renewable energy sources
River basins
Rivers
Brazil
Amazonas Brazil
ISSN:0969-997X, 1365-2400
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Shrnutí:Despite being considered beneficial by providing a clean and renewable source of energy, the construction of hydroelectric dams has extremely negative implications for Amazonian fisheries. This study investigated the impacts of the Santo Antônio and Jirau hydroelectric dams on the fishery stocks of the Madeira River. This investigation was based on fish catch data from the Z‐31 fishing colony, located in the municipality of Humaitá, in Amazonas State, Northern Brazil. Data were collected daily and provided information on the date of return from each trip, the fish species targeted, and the total catch (kg) between January 2002 and September 2017. The results indicated reductions of 39% in the mean annual catch and 34% in the mean monthly catches. These results highlight the high price paid by local fish communities for the development of hydroelectric power in the Amazon basin.
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ISSN:0969-997X
1365-2400
DOI:10.1111/fme.12305