Chala

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The "Coast". Cote de Chala (departement Arequipa) Perou (5).jpg
The "Coast".

The Chala or "Coast" is one of the eight natural regions in Peru. It is formed by all the western lands that arise from sea level up to the height of 500 meters. The coastal desert of Peru is largely devoid of vegetation but a unique fog and mist-fed ecosystem called Lomas is scattered among hills near the Pacific coast as elevations up to 1,000 metres (3,300 ft).

Contents

In this region, the flora includes vegetation that grows near the rivers, like the carob tree, the palo verde, salty grama grass, manglar or mangrove tree, the carrizo or giant reed and the Caña brava (ditch reed); and plants that grow in the hills, such as the Amancay or Peruvian daffodil (Hymenocallis amancaes), the wild tomato, the mito or Peruvian papaya ( Vasconcellea candicans ), and the divi-divi (Cæsalpinia coriaria).

The coastal fauna of the Chala includes sea lions, the anchovy and several seabirds.

Common trees in the north are the faique, the zapote, the zapayal, the barrigon and other thorny tropical savanna trees of the equatorial dry forests on the northern coast of Piura and Tumbes. Páramo and the northern coast of the Piura region are not under the influence of the cold Humboldt Current. Páramo has a tree line at the border, even on the westside of the continental divide. [1]

Overview

Andean Continental Divide

WestsideEastside
Chala, dry coastLowland tropical rainforest or Selva baja
Maritime Yungas Highland tropical rainforest or Selva alta
Maritime Yungas Subtropical cloud forest or Fluvial Yungas
Quechua - Montane valleys Quechua - Montane valleys
Tree line Tree line - about 3,500 m
Suni, scrubs and agriculture Suni, scrubs and agriculture

Mountain top:

Loma-vegetation

Lomas de Lachay, Lima, Peru LomasLachay.jpg
Lomas de Lachay, Lima, Peru

Loma-vegetation, is found between 150 metres (490 ft) and 600 metres (2,000 ft) and it is situated at the first westside slope near the coast in Peru. [2] This subregion has a subtropical desert climate with little rainfall along the central and southern coast (drier as one goes south). The average year round day temperature is 21 °C (70 °F) (max 33 °C, min 8 °C).

Orientation:

See also

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The Northern Andean páramo (NT1006) is an ecoregion containing páramo vegetation above the treeline in the Andes of Colombia and Ecuador. In the past, when the climate was cooler, the treeline and the páramo units were lower and the units were connected. During the present warmer Holocene epoch the páramos have migrated uphill, shrinking and becoming isolated. They contain many rare or endangered species, some of them restricted to a narrow area of one mountain or mountain range. The ecoregion is relatively well preserved, but faces threats from over-grazing and farming.

<span class="mw-page-title-main">Santa Marta páramo</span>

The Santa Marta páramo (NT1007) is an ecoregion containing páramo vegetation above the treeline in the Sierra Nevada de Santa Marta mountain range on the Caribbean coast of Colombia. The isolated position of the range has allowed unique species to evolve. Some are related to those found in Central America and the Caribbean coastal areas, and some to species from the Andes. The habitat is relatively stable, but has been drastically changed from the original by long-term human activity.

<span class="mw-page-title-main">Cordillera Central páramo</span> Ecoregion in the Andes Mountains

The Cordillera Central páramo (NT1004) is an ecoregion containing páramo vegetation above the treeline in the Andes mountain range of northern Peru and southern Ecuador. Due to its isolation there are high levels of endemism. Despite many human settlements and some destruction of habitat by agriculture and mining, the ecoregion is relatively intact.

References

  1. Pulgar Vidal, Javier: Geografía del Perú; Las Ocho Regiones Naturales del Perú. Edit. Universo S.A., Lima 1979. First Edition (his dissertation of 1940): Las ocho regiones naturales del Perú, Boletín del Museo de historia natural „Javier Prado“, n° especial, Lima, 1941, 17, pp. 145-161.
  2. Seibert, Paul (1996); Farbatlas Südamerika: Landschaften und Vegetation, Verlag Eugen Ulmer, Stuttgart, pp. 288.