Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015)
Deforestation and fragmentation are considered threats to biodiversity. Both processes have negative effects on the function and dynamics of ecological systems at different spatial and temporal scales. Land-use change and landscape fragmentation in the central region of Veracruz, Mexico, were analyz...
| Hauptverfasser: | , , , |
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| Format: | Online |
| Sprache: | spa |
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Instituto de Ecología, A.C.
2022
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| Online Zugang: | https://myb.ojs.inecol.mx/index.php/myb/article/view/2294 |
| _version_ | 1799769422432305152 |
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| author | Hernández-Pérez, Ezequiel García-Franco, José Guadalupe Vázquez, Gabriela Cantellano de Rosas, Eliseo |
| author_facet | Hernández-Pérez, Ezequiel García-Franco, José Guadalupe Vázquez, Gabriela Cantellano de Rosas, Eliseo |
| author_sort | Hernández-Pérez, Ezequiel |
| collection | MYB |
| description | Deforestation and fragmentation are considered threats to biodiversity. Both processes have negative effects on the function and dynamics of ecological systems at different spatial and temporal scales. Land-use change and landscape fragmentation in the central region of Veracruz, Mexico, were analyzed for the years 1989, 2003, and 2015. Cover classes were obtained from Landsat images, using supervised classification. Vegetation change and loss were quantified, and fragmentation was evaluated using landscape metrics. From 1989 to 2015, the vegetation area decreased 57%, with an annual rate of land cover change of-2.15%. Between 1989 and 2015, there was a decrease in mean fragment size, total core area, contrast index, and mean proximity. The number of fragments, the fragment density, and the total edge length decreased from 1989 to 2003 and subsequently increased in 2015. The study area shows a tendency towards landscape homogenization, where agricultural fragments and secondary vegetation occupy increasingly large areas. Recognizing the vegetation fragments most at risk to land use change is key to assessing their effect on the conservation of biodiversity and the environmental services they provide; it would also make it possible to define conservation policies that help promote sustainable agricultural and livestock practices in this region of Mexico. |
| format | Online |
| id | oai:oai.myb.ojs.inecol.mx:article-2294 |
| institution | Madera y Bosques |
| language | spa |
| publishDate | 2022 |
| publisher | Instituto de Ecología, A.C. |
| record_format | ojs |
| spelling | oai:oai.myb.ojs.inecol.mx:article-22942022-11-29T22:15:07Z Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) Cambio de uso de suelo y fragmentación del paisaje en el centro de Veracruz, México (1989 – 2015) Hernández-Pérez, Ezequiel García-Franco, José Guadalupe Vázquez, Gabriela Cantellano de Rosas, Eliseo bosque mesófilo de montaña cambio de uso de suelo cultivos agroforestales efectos de borde índices de paisaje río La Antigua mountain cloud forest land-use change agroforestry crops edge effects landscape indices La Antigua river Deforestation and fragmentation are considered threats to biodiversity. Both processes have negative effects on the function and dynamics of ecological systems at different spatial and temporal scales. Land-use change and landscape fragmentation in the central region of Veracruz, Mexico, were analyzed for the years 1989, 2003, and 2015. Cover classes were obtained from Landsat images, using supervised classification. Vegetation change and loss were quantified, and fragmentation was evaluated using landscape metrics. From 1989 to 2015, the vegetation area decreased 57%, with an annual rate of land cover change of-2.15%. Between 1989 and 2015, there was a decrease in mean fragment size, total core area, contrast index, and mean proximity. The number of fragments, the fragment density, and the total edge length decreased from 1989 to 2003 and subsequently increased in 2015. The study area shows a tendency towards landscape homogenization, where agricultural fragments and secondary vegetation occupy increasingly large areas. Recognizing the vegetation fragments most at risk to land use change is key to assessing their effect on the conservation of biodiversity and the environmental services they provide; it would also make it possible to define conservation policies that help promote sustainable agricultural and livestock practices in this region of Mexico. La deforestación y fragmentación son consideradas amenazas para la biodiversidad. Ambos procesos tienen efectos negativos en la función y dinámica de los sistemas ecológicos a diferentes escalas espaciales y temporales. Se analizó el cambio de uso de suelo y la fragmentación del paisaje en la región central de Veracruz, México, para los años 1989, 2003 y 2015. Las clases de cobertura se obtuvieron de imágenes Landsat, mediante una clasificación supervisada. Se cuantificó el cambio y la pérdida de vegetación, y se evaluó la fragmentación mediante métricas del paisaje. De 1989 a 2015, la superficie de vegetación disminuyó 57%, con una tasa de cambio anual de cobertura de -2.15%. Entre 1989 y 2015, se registró una disminución en el tamaño medio del fragmento, el área interior total, el índice de contraste y la proximidad media. El número de fragmentos, la densidad de fragmentos y la longitud total del borde disminuyeron de 1989 a 2003, y posteriormente aumentaron en 2015. La zona de estudio muestra una tendencia a la homogeneización del paisaje, donde los fragmentos agropecuarios y la vegetación secundaria ocupan áreas cada vez más extensas. Reconocer los fragmentos de vegetación con mayor riesgo al cambio en el uso del suelo es clave para evaluar su efecto sobre la conservación de la biodiversidad y en los servicios ambientales que estos proporcionan; también permitiría definir políticas de conservación, que contribuyan a promover prácticas agrícolas y ganaderas sostenibles, en esta región de México. Instituto de Ecología, A.C. 2022-02-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares application/pdf text/xml https://myb.ojs.inecol.mx/index.php/myb/article/view/2294 10.21829/myb.2022.2812294 Madera y Bosques; Vol. 28 No. 1 (2022): Spring 2022; e2812294 Madera y Bosques; Vol. 28 Núm. 1 (2022): Primavera 2022; e2812294 2448-7597 1405-0471 spa https://myb.ojs.inecol.mx/index.php/myb/article/view/2294/2328 https://myb.ojs.inecol.mx/index.php/myb/article/view/2294/2391 10.21829/myb.2019.252573 10.21829/myb.2019.252778 http://creativecommons.org/licenses/by-nc-sa/4.0 |
| spellingShingle | Hernández-Pérez, Ezequiel García-Franco, José Guadalupe Vázquez, Gabriela Cantellano de Rosas, Eliseo Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title | Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title_full | Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title_fullStr | Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title_full_unstemmed | Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title_short | Land-use change and landscape fragmentation in central Veracruz, Mexico (1989–2015) |
| title_sort | land-use change and landscape fragmentation in central veracruz, mexico (1989–2015) |
| url | https://myb.ojs.inecol.mx/index.php/myb/article/view/2294 |
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