Bosques de Polylepis tarapacana en la cuenca Maure, extremo sur del Perú. Oportunidades para su conservación

Pablo  Franco; César  Cáceres; Marco  Navarro; César  Jove; Javier  Ignacio; Eduardo  Oyague

doi:10.3989/estgeogr.202071.071

Authors

Pablo Franco Herbario Takana (TKA), Universidad Nacional Jorge Basadre Grohmann https://orcid.org/0000-0002-6367-3515
César Cáceres Universidad Latinoamericana CIMA https://orcid.org/0000-0002-5685-3315
Marco Navarro Universidad Latinoamericana CIMA - Servicio Nacional Forestal y de Fauna Silvestre - SERFOR, https://orcid.org/0000-0003-0516-5990
César Jove Herbario Takana (TKA), Universidad Nacional Jorge Basadre Grohmann https://orcid.org/0000-0003-0264-7767
Javier Ignacio Herbario Takana (TKA), Universidad Nacional Jorge Basadre Grohmann https://orcid.org/0000-0001-6089-8957
Eduardo Oyague Department of Forest and Rangeland Stewardship, Colorado State University https://orcid.org/0000-0003-3376-021X

DOI:

https://doi.org/10.3989/estgeogr.202071.071

Keywords:

Polylepis, remote sensing, cover, conservation, morphometry, natural protected areas

Abstract

Despite the importance of Polylepis forests for biodiversity and the environmental services provision in the southern Peruvian Altiplano (Tacna department), there is no updated scientific information to support effective conservation activities. Through remote sensing techniques the surface of Polylepis tarapacana forests in the Maure basin has been mapped and the main environmental factors were evaluated. The forest area obtained was compared with environmental factors such as altitude, climate, orientation and topographic protection. Unlike other Polylepis forests, the dominant orientation of Polylepis tarapacana patches is N-NE-E, exposed to solar insolation before the noon, and developing in areas with low morphometric protection and negative topographical wetness index (low probabilities to meet with shallow groundwater tables). 56,66% of the area obtained intercepts the Polylepis polygon of the 2018 National Map of Ecosystems of Peru, 30,12% is under regional conservation modality and 74,49% is located within the territories of six rural communities. This research generates a more precise forest polygon than those currently available, and allows the evaluation of alternatives for its protection. The expansion of the Regional Conservation Area Vilacota - Maure emerges as the best option to ensure the preservation of this forest, since it ensures the protection of almost all of the identified area.

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