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<p>The axolotl population (<i>Ambystoma mexicanum</i>) in its protected wetland in Xochimilco, Mexico City, has declined recently, mainly due to changes in land use. This study evaluates the land use changes in the axolotl habitat in 2002, 2012, and 2021 to understand the landscape fragmentation of the amphibians and to choose the best areas for a restoration program. After categorizing the suitability for restoration of axolotl´s habitat (canals) based on width and neighboring features, we found that only 114&#xa0;km of a total of 228&#xa0;km of canals are suitable for restoration. The area suitable for axolotl habitat restoration is reduced to less than 40&#xa0;km when incorporating land use changes such as urban expansion (87&#xa0;ha) and greenhouse development (76&#xa0;ha), along with the decline of crop areas (62&#xa0;ha) and grassland areas (67&#xa0;ha). These findings underscore the need for more efficient efforts to restore axolotls' natural habitat, preventing extinction in the wild. It is important to preserve the original habitat of the axolotl since it is one of the few green areas in Mexico City, a supplier of numerous ecosystem services.</p>

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A connectivity analysis to find areas for habitat restoration of the axolotl (Ambystoma mexicanum) in its natural habitat

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月10日

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  • Tania Fernández,
  • Enrique Martínez-Meyer,
  • Luis Zambrano

摘要

The axolotl population (Ambystoma mexicanum) in its protected wetland in Xochimilco, Mexico City, has declined recently, mainly due to changes in land use. This study evaluates the land use changes in the axolotl habitat in 2002, 2012, and 2021 to understand the landscape fragmentation of the amphibians and to choose the best areas for a restoration program. After categorizing the suitability for restoration of axolotl´s habitat (canals) based on width and neighboring features, we found that only 114 km of a total of 228 km of canals are suitable for restoration. The area suitable for axolotl habitat restoration is reduced to less than 40 km when incorporating land use changes such as urban expansion (87 ha) and greenhouse development (76 ha), along with the decline of crop areas (62 ha) and grassland areas (67 ha). These findings underscore the need for more efficient efforts to restore axolotls' natural habitat, preventing extinction in the wild. It is important to preserve the original habitat of the axolotl since it is one of the few green areas in Mexico City, a supplier of numerous ecosystem services.