Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network

Colombia has a remarkable diversity of tortoises and freshwater turtles. However, a considerable portion of these species is threatened, and for others there is not enough information to make an adequate evaluation of their conservation status. This study is a first approximation to the quantitative...

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Autores:
Forero-Medina, German
Yusti-Muñoz, Ana Paola
Castaño-Mora, Olga Victoria
Tipo de recurso:
Article of journal
Fecha de publicación:
2014
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/49001
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/49001
http://bdigital.unal.edu.co/42458/
http://bdigital.unal.edu.co/42458/2/
Palabra clave:
Ciencias biologicas
biologia
conservacion
Colombia
geographic range
protected areas
Testudines
turtles.
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
id UNACIONAL2_7e0fe448bc87bc611947c64c83f69b53
oai_identifier_str oai:repositorio.unal.edu.co:unal/49001
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network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
title Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
spellingShingle Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
Ciencias biologicas
biologia
conservacion
Colombia
geographic range
protected areas
Testudines
turtles.
title_short Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
title_full Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
title_fullStr Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
title_full_unstemmed Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
title_sort Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network
dc.creator.fl_str_mv Forero-Medina, German
Yusti-Muñoz, Ana Paola
Castaño-Mora, Olga Victoria
dc.contributor.author.spa.fl_str_mv Forero-Medina, German
Yusti-Muñoz, Ana Paola
Castaño-Mora, Olga Victoria
dc.subject.proposal.spa.fl_str_mv Ciencias biologicas
biologia
conservacion
Colombia
geographic range
protected areas
Testudines
turtles.
topic Ciencias biologicas
biologia
conservacion
Colombia
geographic range
protected areas
Testudines
turtles.
description Colombia has a remarkable diversity of tortoises and freshwater turtles. However, a considerable portion of these species is threatened, and for others there is not enough information to make an adequate evaluation of their conservation status. This study is a first approximation to the quantitative evaluation of the geographic distribution of Colombia’s non-marine chelonians. Based on records of occurrence for each species, we evaluated the geographic distribution using statistical models (Maxent), hydrological basins, and the extent of occurrence and area of occupancy. Based on the presence data and the models, we studied the representation of each species in National Natural Parks (NNP), which correspond to the most rigorous conservation category of IUCN classification in Colombia, and other types of protected areas such as Private Reserves. We generated distribution models and estimated the area (km2) for 25 out of 27 species in the country. This information will be valuable for updating and evaluating the threat categories at the national level. The areas with the highest species richness correspond to the riverine ecosystems of the Amazon and Orinoco river basins and the Caribbean region, particularly the western Caribbean. This region is a top priority not only because of its richness butalso because of the presence of endemics and its high levelof threat. Only 56 % of the species have confirmed recordswithin National Parks. A greater portion could be present in these areas according to the statistical models, but only ten of those species would have more than 10 % of their ranges within a park’s boundary. Although the resulting models have certain limitations due to the nature of the data and analyses, they can be a starting point for research on the occurrence of turtles in NNP. Endemic species are poorly represented in protected areas, both in NNP and in other categories. Thus, protected areas that can assure the persistence of their populations are urgently needed.Distribución geográfica de las tortugas continentales de Colombia y su representación en áreas protegidasColombia cuenta con una alta diversidad de quelonios continentales, sin embargo, un número considerable de especiesse encuentran amenazadas y para otras no existe información suficiente para evaluar su estado de amenaza. Este trabajo es una aproximación cuantitativa al estudio de la distribución  geográfica de las tortugas continentales de Colombia. Con base en registros de localidades con presencia de cada especie, evaluamos la distribución geográfica a partir de modelos estadísticos (Maxent), cuencas hidrográficas, extensión de presencia y área de ocupación. Estimamos la representación decada especie en el sistema de Parques Nacionales Naturales (PNN) y en otras áreas del sistema nacional de áreas protegidas,incluyendo Reservas Naturales de la Sociedad Civil (RNSC). Se construyeron modelos de distribución geográfica y se estimóel área de distribución (km2) para 25 de las 27 especies presentes en el país. Las áreas con mayor riqueza de especies son los ecosistemas ribereños de la Amazonia, Orinoquia y el Caribe, en particular el Caribe occidental. Este último es un bioma prioritario debido a su alto número de endemismos y por la amenaza que enfrentan sus especies. Solo el 56 % de las especies estudiadas presentan registros confirmados en los PNN. Un mayor número de especies podría estar presente en los PNN de acuerdo con los resultados de los modelos, pero solo diez especies tendrían más del 10 % de su distribución representada en dichas áreas. Los modelos generados podrán ser un punto de partida para investigar la presencia de quelonios en los PNN.Las especies endémicas están pobremente representadas en las áreas protegidas, tanto en los PNN como en otras categorías,por lo que es urgente constituir nuevas áreas protegidas para asegurar la supervivencia de sus poblaciones.
publishDate 2014
dc.date.issued.spa.fl_str_mv 2014-05-14
dc.date.accessioned.spa.fl_str_mv 2019-06-29T08:18:31Z
dc.date.available.spa.fl_str_mv 2019-06-29T08:18:31Z
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url https://repositorio.unal.edu.co/handle/unal/49001
http://bdigital.unal.edu.co/42458/
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dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana
Acta Biológica Colombiana
dc.relation.ispartofseries.none.fl_str_mv Acta Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 Acta Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 1900-1649 0120-548X
dc.relation.references.spa.fl_str_mv Forero-Medina, German and Yusti-Muñoz, Ana Paola and Castaño-Mora, Olga Victoria (2014) Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network. Acta Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 Acta Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 1900-1649 0120-548X .
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
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spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Forero-Medina, German491dabbe-4900-4ff2-b2ee-28568069c590300Yusti-Muñoz, Ana Paolafffb93b4-c002-44ff-9af0-430e949e76b9300Castaño-Mora, Olga Victoriafe7eb451-b95f-4176-b030-6c4d2fc0bf173002019-06-29T08:18:31Z2019-06-29T08:18:31Z2014-05-14https://repositorio.unal.edu.co/handle/unal/49001http://bdigital.unal.edu.co/42458/http://bdigital.unal.edu.co/42458/2/Colombia has a remarkable diversity of tortoises and freshwater turtles. However, a considerable portion of these species is threatened, and for others there is not enough information to make an adequate evaluation of their conservation status. This study is a first approximation to the quantitative evaluation of the geographic distribution of Colombia’s non-marine chelonians. Based on records of occurrence for each species, we evaluated the geographic distribution using statistical models (Maxent), hydrological basins, and the extent of occurrence and area of occupancy. Based on the presence data and the models, we studied the representation of each species in National Natural Parks (NNP), which correspond to the most rigorous conservation category of IUCN classification in Colombia, and other types of protected areas such as Private Reserves. We generated distribution models and estimated the area (km2) for 25 out of 27 species in the country. This information will be valuable for updating and evaluating the threat categories at the national level. The areas with the highest species richness correspond to the riverine ecosystems of the Amazon and Orinoco river basins and the Caribbean region, particularly the western Caribbean. This region is a top priority not only because of its richness butalso because of the presence of endemics and its high levelof threat. Only 56 % of the species have confirmed recordswithin National Parks. A greater portion could be present in these areas according to the statistical models, but only ten of those species would have more than 10 % of their ranges within a park’s boundary. Although the resulting models have certain limitations due to the nature of the data and analyses, they can be a starting point for research on the occurrence of turtles in NNP. Endemic species are poorly represented in protected areas, both in NNP and in other categories. Thus, protected areas that can assure the persistence of their populations are urgently needed.Distribución geográfica de las tortugas continentales de Colombia y su representación en áreas protegidasColombia cuenta con una alta diversidad de quelonios continentales, sin embargo, un número considerable de especiesse encuentran amenazadas y para otras no existe información suficiente para evaluar su estado de amenaza. Este trabajo es una aproximación cuantitativa al estudio de la distribución  geográfica de las tortugas continentales de Colombia. Con base en registros de localidades con presencia de cada especie, evaluamos la distribución geográfica a partir de modelos estadísticos (Maxent), cuencas hidrográficas, extensión de presencia y área de ocupación. Estimamos la representación decada especie en el sistema de Parques Nacionales Naturales (PNN) y en otras áreas del sistema nacional de áreas protegidas,incluyendo Reservas Naturales de la Sociedad Civil (RNSC). Se construyeron modelos de distribución geográfica y se estimóel área de distribución (km2) para 25 de las 27 especies presentes en el país. Las áreas con mayor riqueza de especies son los ecosistemas ribereños de la Amazonia, Orinoquia y el Caribe, en particular el Caribe occidental. Este último es un bioma prioritario debido a su alto número de endemismos y por la amenaza que enfrentan sus especies. Solo el 56 % de las especies estudiadas presentan registros confirmados en los PNN. Un mayor número de especies podría estar presente en los PNN de acuerdo con los resultados de los modelos, pero solo diez especies tendrían más del 10 % de su distribución representada en dichas áreas. Los modelos generados podrán ser un punto de partida para investigar la presencia de quelonios en los PNN.Las especies endémicas están pobremente representadas en las áreas protegidas, tanto en los PNN como en otras categorías,por lo que es urgente constituir nuevas áreas protegidas para asegurar la supervivencia de sus poblaciones.application/pdfspaUniversidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biologíahttp://revistas.unal.edu.co/index.php/actabiol/article/view/42219Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica ColombianaActa Biológica ColombianaActa Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 Acta Biológica Colombiana; Vol. 19, núm. 3 (2014): Tortugas de Colombia; 415-426 1900-1649 0120-548XForero-Medina, German and Yusti-Muñoz, Ana Paola and Castaño-Mora, Olga Victoria (2014) Geographic distribution of the tortoises and freshwater turtles of colombia and their representation in the protected area network. 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