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Water Dividing Line of the Basin


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The Water Diving Line of the Basin Pisco-Ica is located in the arid western Andes of the Departments of Huancavelica and Ica. Towards the west of the city of Huaytará, the mountainous mountain range narrows and descends quickly from 4,000 to 2,850 meters (meters above sea level) towards the Pacific coast. In this area, the vegetation changes abruptly from puna pasture of smaller size to mixed scrub (79%), thorny scrub (21%), and desert scrub (<1%).


Of botanical interest, the Peruvian legislation listed as "critically endangered" Chersodoma arequipensis, a shrub from the family of the compunds found in this ELU during previous field evaluations. Areas in the Basin Divide of Pisco-Ica receive sufficient orographic precipitation to maintain patches of Kageneckia lanceolata trees with epiphytic bromeliads and lichens. Likewise, the large Candelabra Cactus Corryocactus brevistylus grows locally and hosts seasonal populations of the Peruvian Longirrostro Bat (Platalina genovensium), listed by the International Union for the Conservation of Nature (IUCN) as "almost in danger" and by Peruvian legislation as "Critically in danger".

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