Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional do INPA |
Texto Completo: | https://repositorio.inpa.gov.br/handle/1/14683 |
Resumo: | Direct counts of crocodilians are rarely feasible and it is difficult to meet the assumptions of mark-recapture methods for most species in most habitats. Catch-out experiments are also usually not logistically or morally justifiable because it would be necessary to destroy the habitat in order to be confident that most individuals had been captured. We took advantage of the draining and filling of a large area of flooded forest during the building of the Santo Antônio dam on the Madeira River to obtain accurate estimates of the density and biomass of Paleosuchus palpebrosus. The density, 28.4 non-hatchling individuals per km2 , is one of the highest reported for any crocodilian, except for species that are temporarily concentrated in small areas during dry-season drought. The biomass estimate of 63.15 kg∗km-2 is higher than that for most or even all mammalian carnivores in tropical forest. P. palpebrosus may be one of the World?s most abundant crocodilians. © 2016 Campos, Magnusson. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
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Campos, Zilca M.S.Magnusson, William Ernest2020-04-24T17:00:16Z2020-04-24T17:00:16Z2016https://repositorio.inpa.gov.br/handle/1/1468310.1371/journal.pone.0156406Direct counts of crocodilians are rarely feasible and it is difficult to meet the assumptions of mark-recapture methods for most species in most habitats. Catch-out experiments are also usually not logistically or morally justifiable because it would be necessary to destroy the habitat in order to be confident that most individuals had been captured. We took advantage of the draining and filling of a large area of flooded forest during the building of the Santo Antônio dam on the Madeira River to obtain accurate estimates of the density and biomass of Paleosuchus palpebrosus. The density, 28.4 non-hatchling individuals per km2 , is one of the highest reported for any crocodilian, except for species that are temporarily concentrated in small areas during dry-season drought. The biomass estimate of 63.15 kg∗km-2 is higher than that for most or even all mammalian carnivores in tropical forest. P. palpebrosus may be one of the World?s most abundant crocodilians. © 2016 Campos, Magnusson. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Volume 11, Número 5Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessBiomassCarnivoreClinical CrocodilianDroughtFemaleHabitatHumanMammalMark RecaptureRiverSeasonTropical Rain ForestAnimalsBiomassBrasilPopulation DensityRainAlligators And CrocodilesAnimalssBiomassBrasilPopulation DensityRainDensity and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosusinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlePLoS ONEengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALartigo-inpa.pdfapplication/pdf836066https://repositorio.inpa.gov.br/bitstream/1/14683/1/artigo-inpa.pdfb738b320f31cdd4e4ceab0168e852f17MD51CC-LICENSElicense_rdfapplication/octet-stream914https://repositorio.inpa.gov.br/bitstream/1/14683/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD521/146832020-07-14 10:02:32.669oai:repositorio:1/14683Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-07-14T14:02:32Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false |
dc.title.en.fl_str_mv |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
title |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
spellingShingle |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus Campos, Zilca M.S. Biomass Carnivore Clinical Crocodilian Drought Female Habitat Human Mammal Mark Recapture River Season Tropical Rain Forest Animals Biomass Brasil Population Density Rain Alligators And Crocodiles Animalss Biomass Brasil Population Density Rain |
title_short |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
title_full |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
title_fullStr |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
title_full_unstemmed |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
title_sort |
Density and biomass estimates by removal for an amazonian crocodilian, paleosuchus palpebrosus |
author |
Campos, Zilca M.S. |
author_facet |
Campos, Zilca M.S. Magnusson, William Ernest |
author_role |
author |
author2 |
Magnusson, William Ernest |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Campos, Zilca M.S. Magnusson, William Ernest |
dc.subject.eng.fl_str_mv |
Biomass Carnivore Clinical Crocodilian Drought Female Habitat Human Mammal Mark Recapture River Season Tropical Rain Forest Animals Biomass Brasil Population Density Rain Alligators And Crocodiles Animalss Biomass Brasil Population Density Rain |
topic |
Biomass Carnivore Clinical Crocodilian Drought Female Habitat Human Mammal Mark Recapture River Season Tropical Rain Forest Animals Biomass Brasil Population Density Rain Alligators And Crocodiles Animalss Biomass Brasil Population Density Rain |
description |
Direct counts of crocodilians are rarely feasible and it is difficult to meet the assumptions of mark-recapture methods for most species in most habitats. Catch-out experiments are also usually not logistically or morally justifiable because it would be necessary to destroy the habitat in order to be confident that most individuals had been captured. We took advantage of the draining and filling of a large area of flooded forest during the building of the Santo Antônio dam on the Madeira River to obtain accurate estimates of the density and biomass of Paleosuchus palpebrosus. The density, 28.4 non-hatchling individuals per km2 , is one of the highest reported for any crocodilian, except for species that are temporarily concentrated in small areas during dry-season drought. The biomass estimate of 63.15 kg∗km-2 is higher than that for most or even all mammalian carnivores in tropical forest. P. palpebrosus may be one of the World?s most abundant crocodilians. © 2016 Campos, Magnusson. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016 |
dc.date.accessioned.fl_str_mv |
2020-04-24T17:00:16Z |
dc.date.available.fl_str_mv |
2020-04-24T17:00:16Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://repositorio.inpa.gov.br/handle/1/14683 |
dc.identifier.doi.none.fl_str_mv |
10.1371/journal.pone.0156406 |
url |
https://repositorio.inpa.gov.br/handle/1/14683 |
identifier_str_mv |
10.1371/journal.pone.0156406 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Volume 11, Número 5 |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
eu_rights_str_mv |
openAccess |
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PLoS ONE |
publisher.none.fl_str_mv |
PLoS ONE |
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