Polylepis woodlands are a vital resource for preserving biodiversity and hydrological functions, which will be altered by climate change and challenge the sustainability of local human communities. However, these highaltitude Andean ecosystems are becoming increasingly vulnerable due to anthropogenic pressure including fragmentation, deforestation and the increase in livestock. Predicting the distribution of native woodlands has become increasingly important to counteract the negative effects of climate change through reforestation and conservation. The objective of this study was to develop and analyze the distribution models of two species that form extensive woodlands along the Andes, namely Polylepis sericea and P. weberbaueri. This study utilized the program Maxent, climate and remotely sensed environmental layers at 1 km resolution. The predicted distribution model for P. sericea i...

Polylepis woodlands are a vital resource for preserving biodiversity and hydrological functions, which will be altered by climate change and challenge the sustainability of local human communities. However, these highaltitude Andean ecosystems are becoming increasingly vulnerable due to anthropogenic pressure including fragmentation, deforestation and the increase in livestock. Predicting the distribution of native woodlands has become increasingly important to counteract the negative effects of climate change through reforestation and conservation. The objective of this study was to develop and analyze the distribution models of two species that form extensive woodlands along the Andes, namely Polylepis sericea and P. weberbaueri. This study utilized the program Maxent, climate and remotely sensed environmental layers at 1 km resolution. The predicted distribution model for P. sericea i...

The formation of a coastal wetland located south of Salaverry (La Libertad – Peru) is first described, analyzed, and reported, and their biodiversity is compared with regional wetlands located at coastal areas, using publically access satellite imagery and biological information. An adequate time-series was obtained to hypothesize their formation, calculating the NDVI (Normalized difference vegetation index) and NDMI (Normalized Difference Moisture Index) to confirm the stability and influence. The analysis suggests that the wetland south of Salaverry was formed fifteen years ago by two human sources: freshwater infiltration from farmlands and seawater used to pump the dredged material in the vicinity of the Salaverry Port. Because of its ecosystemic features, the wetland would be at the first stages of the ecological succession, and despite its spontaneous origin, it will be functioni...