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Data de Publicação: | 2006 |
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Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Biotemas (Online) |
Texto Completo: | https://periodicos.ufsc.br/index.php/biotemas/article/view/21331 |
Resumo: | Reproduction and population dynamics of Didelphis aurita Wied-Neuwied (Mammalia: Didelphimorphia) in the periurban environment of Santa Catarina Island, in southern Brazil. The various aspects of reproduction and population dynamics of Didelphis aurita were studied through capture-recapture on Santa Catarina Island, in southern Brazil. Surveys were carried out from April 1996 to March 1997. The study area was located near the stream of a swamp in a disturbed Atlantic Forest area. On 880 trap-nights, 31 opossums were captured on 108 occasions during one year. The results of this paper indicate a seasonal polyestrous reproduction pattern. Autumn-winter population levels grew on account of juvenile recruitment. The sex ratio favored females in first captures and total captures. Emigration was discussed as being the main reason for the female bias. The effects of sampling procedures over deviation in the pouch young sex ratio of resident females were also discussed. |
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.Reprodução e dinâmica populacional de Didelphis aurita Wied-Neuwied (Mammalia: Didelphimorphia) em ambiente periurbano na Ilha de Santa Catarina, Sul do BrasilReproduction and population dynamics of Didelphis aurita Wied-Neuwied (Mammalia: Didelphimorphia) in the periurban environment of Santa Catarina Island, in southern Brazil. The various aspects of reproduction and population dynamics of Didelphis aurita were studied through capture-recapture on Santa Catarina Island, in southern Brazil. Surveys were carried out from April 1996 to March 1997. The study area was located near the stream of a swamp in a disturbed Atlantic Forest area. On 880 trap-nights, 31 opossums were captured on 108 occasions during one year. The results of this paper indicate a seasonal polyestrous reproduction pattern. Autumn-winter population levels grew on account of juvenile recruitment. The sex ratio favored females in first captures and total captures. Emigration was discussed as being the main reason for the female bias. The effects of sampling procedures over deviation in the pouch young sex ratio of resident females were also discussed.De abril/96 a março/97 aspectos da reprodução e dinâmica populacional de Didelphis aurita foram estudados através de um programa de captura-marcação-recaptura, em uma área periurbana às margens de um alagado na Ilha de Santa Catarina, sul do Brasil. No total, 31 indivíduos foram capturados 108 vezes, com um esforço de coleta de 880 armadilhas-noite. Os resultados sugerem um padrão reprodutivo poliéstrico sazonal e um aumento populacional durante o outono/inverno atribuído à entrada de jovens na população. A proporção sexual foi desviada para as fêmeas em relação ao número de indivíduos capturados e capturas totais. A principal causas desses desvios pode ser devido à emigração de machos jovens. Os efeitos de procedimentos de amostragem sobre desvios na proporção sexual de filhotes de fêmeas residentes também são discutidos.Universidade Federal de Santa Catarina2006-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsc.br/index.php/biotemas/article/view/21331Biotemas; v. 19 n. 1 (2006); 65-732175-79250103-1643reponame:Biotemas (Online)instname:Universidade Federal de Santa Catarina (UFSC)instacron:UFSCporhttps://periodicos.ufsc.br/index.php/biotemas/article/view/21331/19240Copyright (c) 2006 Maurício Eduardo Graipel, Manoel dos Santos Filhohttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessGraipel, Maurício EduardoFilho, Manoel dos Santos2022-11-21T11:37:34Zoai:periodicos.ufsc.br:article/21331Revistahttp://www.biotemas.ufsc.br/index.htmPUBhttps://periodicos.ufsc.br/index.php/biotemas/oai||carlospinto@ccb.ufsc.br2175-79250103-1643opendoar:2022-11-21T11:37:34Biotemas (Online) - Universidade Federal de Santa Catarina (UFSC)false |
dc.title.none.fl_str_mv |
. Reprodução e dinâmica populacional de Didelphis aurita Wied-Neuwied (Mammalia: Didelphimorphia) em ambiente periurbano na Ilha de Santa Catarina, Sul do Brasil |
title |
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spellingShingle |
. Graipel, Maurício Eduardo |
title_short |
. |
title_full |
. |
title_fullStr |
. |
title_full_unstemmed |
. |
title_sort |
. |
author |
Graipel, Maurício Eduardo |
author_facet |
Graipel, Maurício Eduardo Filho, Manoel dos Santos |
author_role |
author |
author2 |
Filho, Manoel dos Santos |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Graipel, Maurício Eduardo Filho, Manoel dos Santos |
description |
Reproduction and population dynamics of Didelphis aurita Wied-Neuwied (Mammalia: Didelphimorphia) in the periurban environment of Santa Catarina Island, in southern Brazil. The various aspects of reproduction and population dynamics of Didelphis aurita were studied through capture-recapture on Santa Catarina Island, in southern Brazil. Surveys were carried out from April 1996 to March 1997. The study area was located near the stream of a swamp in a disturbed Atlantic Forest area. On 880 trap-nights, 31 opossums were captured on 108 occasions during one year. The results of this paper indicate a seasonal polyestrous reproduction pattern. Autumn-winter population levels grew on account of juvenile recruitment. The sex ratio favored females in first captures and total captures. Emigration was discussed as being the main reason for the female bias. The effects of sampling procedures over deviation in the pouch young sex ratio of resident females were also discussed. |
publishDate |
2006 |
dc.date.none.fl_str_mv |
2006-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsc.br/index.php/biotemas/article/view/21331 |
url |
https://periodicos.ufsc.br/index.php/biotemas/article/view/21331 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsc.br/index.php/biotemas/article/view/21331/19240 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2006 Maurício Eduardo Graipel, Manoel dos Santos Filho http://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2006 Maurício Eduardo Graipel, Manoel dos Santos Filho http://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina |
publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina |
dc.source.none.fl_str_mv |
Biotemas; v. 19 n. 1 (2006); 65-73 2175-7925 0103-1643 reponame:Biotemas (Online) instname:Universidade Federal de Santa Catarina (UFSC) instacron:UFSC |
instname_str |
Universidade Federal de Santa Catarina (UFSC) |
instacron_str |
UFSC |
institution |
UFSC |
reponame_str |
Biotemas (Online) |
collection |
Biotemas (Online) |
repository.name.fl_str_mv |
Biotemas (Online) - Universidade Federal de Santa Catarina (UFSC) |
repository.mail.fl_str_mv |
||carlospinto@ccb.ufsc.br |
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