Panthera Onca Corridors: A Spatially Explicit Analysis of Habitat Change Drivers and Potential Conservation Areas in the Bajo Magdalena, Colombia
Fuente:
Redalyc
Saved in:
| Main Author: | |
|---|---|
| Format: | Artículo científico |
| Language: | en |
| Published: |
Instituto Tecnológico Metropolitano
2021
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1876468055255547904 |
|---|---|
| author | Giselle Helena Toro-Garay |
| author_facet | Giselle Helena Toro-Garay |
| contents | Panthera Onca Corridors: A Spatially Explicit Analysis of Habitat Change Drivers and Potential Conservation Areas in the Bajo Magdalena, Colombia Giselle Helena Toro-Garay Maria Paula Otero Carlos Valderrama-Ardila Francisco Javier Escobedo Educación highways Panthera onca deforestation biological corridor The distribution range of Jaguar ( Panthera onca) is being reduced due to multi-scale habitat conversion, intensive hunting, illegal trafficking, habitat fragmentation, and the construction of highways and other infrastructure. Because of the decrease in population, this species? listing has changed from vulnerable to a threatened category. Due to the ecological importance of this species, organizations like Red Colombiana de Seguimiento de Fauna Atropelladahave proposed the establishment of wildlife corridors. But little is known as to recognize the driving forces in these habitat changes and where these corridors should be established. To address this lack of information, we determined the spatial extent to which the current distribution and access to P. onca habitat is being driven by deforestation, armed conflict, agriculture expansion, urbanization and the construction of highways in the Bajo Magdalena area of Colombia. We then identified potential areas for proposing conservation corridors. To do this, we used available geospatial information on P. onca distribution in the Corporación Autónoma Regional areas in the municipalities of Puerto Salgar, Caparrapí and Guaduas, as well as transportation network, administrative unit, and deforestation data from 2010 to 2018. We also calculated habitat distances to population centers and the distribution of P. onca relative to roads. Our findings suggest that urban population and highways affect 83 % of the total area of its distribution; deforestation increased by 47.9 km2 in the 105.24 km2 study area with 5.6 km2 alone left as P. onca habitat. We concluded that conservation initiatives must be implemented inside P. onca?s distributional range and buffer zones. Urbanization and the construction of highways were highly influential variables associated with the loss of P. onca habitat. Further, we propose that precautions along the principal road that connects Puerto Salgar and Guaduas should be taken into consideration to maintain the genetic flow and movement of the P. onca population as it affects 87 km of this proposed corridor. 2021 artículo científico 2145-4426 https://www.redalyc.org/articulo.oa?id=534369082005 https://www.redalyc.org/journal/5343/534369082005/ https://www.redalyc.org/journal/5343/534369082005/html/ https://www.redalyc.org/journal/5343/534369082005/534369082005.epub https://www.redalyc.org/journal/5343/534369082005/movil https://doi.org/10.22430/21457778.1641 en http://www.redalyc.org/revista.oa?id=5343 Trilogía Ciencia Tecnología Sociedad application/pdf Instituto Tecnológico Metropolitano Trilogía Ciencia Tecnología Sociedad (Colombia) Num.24 Vol.13 |
| format | Artículo científico |
| id | redalyc_534369082005 |
| institution | Redalyc |
| language | en |
| publishDate | 2021 |
| publisher | Instituto Tecnológico Metropolitano |
| spellingShingle | Panthera Onca Corridors: A Spatially Explicit Analysis of Habitat Change Drivers and Potential Conservation Areas in the Bajo Magdalena, Colombia Giselle Helena Toro-Garay Educación highways Panthera onca deforestation biological corridor Panthera Onca Corridors: A Spatially Explicit Analysis of Habitat Change Drivers and Potential Conservation Areas in the Bajo Magdalena, Colombia Giselle Helena Toro-Garay Maria Paula Otero Carlos Valderrama-Ardila Francisco Javier Escobedo Educación highways Panthera onca deforestation biological corridor The distribution range of Jaguar ( Panthera onca) is being reduced due to multi-scale habitat conversion, intensive hunting, illegal trafficking, habitat fragmentation, and the construction of highways and other infrastructure. Because of the decrease in population, this species? listing has changed from vulnerable to a threatened category. Due to the ecological importance of this species, organizations like Red Colombiana de Seguimiento de Fauna Atropelladahave proposed the establishment of wildlife corridors. But little is known as to recognize the driving forces in these habitat changes and where these corridors should be established. To address this lack of information, we determined the spatial extent to which the current distribution and access to P. onca habitat is being driven by deforestation, armed conflict, agriculture expansion, urbanization and the construction of highways in the Bajo Magdalena area of Colombia. We then identified potential areas for proposing conservation corridors. To do this, we used available geospatial information on P. onca distribution in the Corporación Autónoma Regional areas in the municipalities of Puerto Salgar, Caparrapí and Guaduas, as well as transportation network, administrative unit, and deforestation data from 2010 to 2018. We also calculated habitat distances to population centers and the distribution of P. onca relative to roads. Our findings suggest that urban population and highways affect 83 % of the total area of its distribution; deforestation increased by 47.9 km2 in the 105.24 km2 study area with 5.6 km2 alone left as P. onca habitat. We concluded that conservation initiatives must be implemented inside P. onca?s distributional range and buffer zones. Urbanization and the construction of highways were highly influential variables associated with the loss of P. onca habitat. Further, we propose that precautions along the principal road that connects Puerto Salgar and Guaduas should be taken into consideration to maintain the genetic flow and movement of the P. onca population as it affects 87 km of this proposed corridor. 2021 artículo científico 2145-4426 https://www.redalyc.org/articulo.oa?id=534369082005 https://www.redalyc.org/journal/5343/534369082005/ https://www.redalyc.org/journal/5343/534369082005/html/ https://www.redalyc.org/journal/5343/534369082005/534369082005.epub https://www.redalyc.org/journal/5343/534369082005/movil https://doi.org/10.22430/21457778.1641 en http://www.redalyc.org/revista.oa?id=5343 Trilogía Ciencia Tecnología Sociedad application/pdf Instituto Tecnológico Metropolitano Trilogía Ciencia Tecnología Sociedad (Colombia) Num.24 Vol.13 |
| title | Panthera Onca Corridors: A Spatially Explicit Analysis of Habitat Change Drivers and Potential Conservation Areas in the Bajo Magdalena, Colombia |
| topic | Educación highways Panthera onca deforestation biological corridor |
| url | https://www.redalyc.org/articulo.oa?id=534369082005 https://www.redalyc.org/journal/5343/534369082005/ https://www.redalyc.org/journal/5343/534369082005/html/ https://www.redalyc.org/journal/5343/534369082005/534369082005.epub https://www.redalyc.org/journal/5343/534369082005/movil https://doi.org/10.22430/21457778.1641 |