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Artigo
Caiman hunting in Central Amazonia, Brazil
Hunting caimans (Caiman spp.) with baited hooks in the Brazilian Amazon represents one of the largest illegal wildlife industries in the world. Our objective was to evaluate the effects of water level, distance from settlements, and hunting effort on caiman meat production. In 2008, we accompanied 3...
Autor principal: | Mendonça, Washington Carlos da Silva |
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Outros Autores: | Marioni, Boris, Thorbjarnarson, John B., Magnusson, William Ernest, Silveira, Ronis da |
Grau: | Artigo |
Idioma: | English |
Publicado em: |
Journal of Wildlife Management
2020
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https://repositorio.inpa.gov.br/handle/1/17239 |
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oai:repositorio:1-17239 Caiman hunting in Central Amazonia, Brazil Mendonça, Washington Carlos da Silva Marioni, Boris Thorbjarnarson, John B. Magnusson, William Ernest Silveira, Ronis da Crocodilian Human Settlement Hunting Legal System Meat Protected Area Trade-environment Relations Water Level Wildlife Management Amazonia Brasil Alligatorinae Caiman Caiman Crocodilus Crocodylidae (all Crocodiles) Melanosuchus Niger Hunting caimans (Caiman spp.) with baited hooks in the Brazilian Amazon represents one of the largest illegal wildlife industries in the world. Our objective was to evaluate the effects of water level, distance from settlements, and hunting effort on caiman meat production. In 2008, we accompanied 31 caiman hunting expeditions in and around a wetland protected area located in the Amazon-Purus interfluve in Brazil. We measured and weighed all captured caimans. We used simple and multiple linear regressions to analyze our data. The hunting technique is not selective for the capture of spectacled caimans (Caiman crocodilus) or black caimans (Melanosuchus niger) and occurs throughout the year. Fresh-meat production was similarly correlated with individualś weights for both species. Hunting success was strongly related to river level, distance from human settlements, and hunting effort. We estimated an annual production of 37,050 kg of meat from the study area, representing 3,562 caimans harvested and gross earnings of $18,500 (U.S.). Caiman hunting was the principal source of income for hunters and their families but resulted in low returns, and large black caiman were not taken, indicating possible overhunting. © 2016 The Wildlife Society. © The Wildlife Society, 2016 2020-06-15T21:40:18Z 2020-06-15T21:40:18Z 2016 Artigo https://repositorio.inpa.gov.br/handle/1/17239 10.1002/jwmg.21127 en Volume 80, Número 8, Pags. 1497-1502 Restrito Journal of Wildlife Management |
institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
collection |
INPA-RI |
language |
English |
topic |
Crocodilian Human Settlement Hunting Legal System Meat Protected Area Trade-environment Relations Water Level Wildlife Management Amazonia Brasil Alligatorinae Caiman Caiman Crocodilus Crocodylidae (all Crocodiles) Melanosuchus Niger |
spellingShingle |
Crocodilian Human Settlement Hunting Legal System Meat Protected Area Trade-environment Relations Water Level Wildlife Management Amazonia Brasil Alligatorinae Caiman Caiman Crocodilus Crocodylidae (all Crocodiles) Melanosuchus Niger Mendonça, Washington Carlos da Silva Caiman hunting in Central Amazonia, Brazil |
topic_facet |
Crocodilian Human Settlement Hunting Legal System Meat Protected Area Trade-environment Relations Water Level Wildlife Management Amazonia Brasil Alligatorinae Caiman Caiman Crocodilus Crocodylidae (all Crocodiles) Melanosuchus Niger |
description |
Hunting caimans (Caiman spp.) with baited hooks in the Brazilian Amazon represents one of the largest illegal wildlife industries in the world. Our objective was to evaluate the effects of water level, distance from settlements, and hunting effort on caiman meat production. In 2008, we accompanied 31 caiman hunting expeditions in and around a wetland protected area located in the Amazon-Purus interfluve in Brazil. We measured and weighed all captured caimans. We used simple and multiple linear regressions to analyze our data. The hunting technique is not selective for the capture of spectacled caimans (Caiman crocodilus) or black caimans (Melanosuchus niger) and occurs throughout the year. Fresh-meat production was similarly correlated with individualś weights for both species. Hunting success was strongly related to river level, distance from human settlements, and hunting effort. We estimated an annual production of 37,050 kg of meat from the study area, representing 3,562 caimans harvested and gross earnings of $18,500 (U.S.). Caiman hunting was the principal source of income for hunters and their families but resulted in low returns, and large black caiman were not taken, indicating possible overhunting. © 2016 The Wildlife Society. © The Wildlife Society, 2016 |
format |
Artigo |
author |
Mendonça, Washington Carlos da Silva |
author2 |
Marioni, Boris Thorbjarnarson, John B. Magnusson, William Ernest Silveira, Ronis da |
author2Str |
Marioni, Boris Thorbjarnarson, John B. Magnusson, William Ernest Silveira, Ronis da |
title |
Caiman hunting in Central Amazonia, Brazil |
title_short |
Caiman hunting in Central Amazonia, Brazil |
title_full |
Caiman hunting in Central Amazonia, Brazil |
title_fullStr |
Caiman hunting in Central Amazonia, Brazil |
title_full_unstemmed |
Caiman hunting in Central Amazonia, Brazil |
title_sort |
caiman hunting in central amazonia, brazil |
publisher |
Journal of Wildlife Management |
publishDate |
2020 |
url |
https://repositorio.inpa.gov.br/handle/1/17239 |
_version_ |
1787144343802347520 |
score |
11.653393 |