Lagunas de Mejía National Sanctuary

Lagunas de Mejía National Sanctuary (Santuario Nacional Lagunas de Mejía) is a protected area on the coastal plain of Peru, in Islay Province, Arequipa, in the mouth of the Tambo River.[3] It is a sanctuary for migratory and resident birds, and was designated a Ramsar site in 1992.[3]

Lagunas de Mejía National Sanctuary
Santuario Nacional Lagunas de Mejía
Map showing the location of Lagunas de Mejía National Sanctuary
Map showing the location of Lagunas de Mejía National Sanctuary
Location within Peru
Location Peru
Mejía, Arequipa
Coordinates17°08′49″S 71°51′47″W[1]
Area690.6 hectares (1,707 acres)
Established1984
Governing bodySERNANP
WebsiteSantuario Nacional Lagunas de Mejía
Official nameSantuario Nacional Lagunas de Mejía
Designated30 March 1992
Reference no.547[2]

History

In 1981, the Mejia Lagoons were being drained by the Peruvian Ministry of Agriculture to convert the land to ricefields.[4] A letter-writing campaign to the Peruvian government in protest, made by O.P. Pearson, M.P. Harris and R.A. Hughes among others, resulted in the declaration of the lagoons as a wildlife sanctuary for birds.[4] The sanctuary was established on February 24 1984, covering an area of 690.6 hectares (1,707 acres) with the aim to protect local flora and fauna as well as to attract tourists.[3]

Geography

The sanctuary is located on the southern coast of Peru, in the region of Arequipa, and belongs to the districts of Mejía and Dean Valdivia.[3] It has a maximum elevation of 3.5 m above sea level, and comprises a series of lagoons, wetlands and part of the mouth of the Tambo River.[5]

Ecology

Flora

A total of 48 species of vascular plants and 17 species of algae have been found in the sanctuary.[3] In freshwater ecosystems trees like pájaro bobo (Tessaria integrifolia) and sauce (Salix humboldtiana); shrubs like callacasa (Baccharis salicifolia) and chilca (Baccharis glutinosa); and some herb species can be found.[3] Marshes are dominated by species like totora (Typha sp.) and junco (Schoenoplectus americanus), while grama dulce (Paspalum vaginatum) can be found on the shores.[3] On more saline habitats grama salada (Distichlis spicata) and verdolaguilla (Sarcocornia sp.) can be predominant.[3]

Fauna

One of the purposes of this protected area is to provide a sanctuary for Nearctic migratory birds, as it is a unique habitat on almost 2000 km of coast on the Pacific Ocean.[3][6] A total of 200 species of resident and migratory birds can be found in the park including: the grey gull, the sanderling, the Black skimmer, Belcher's gull, the kelp gull, the Grey-headed gull, the White-tufted grebe, the Great grebe, the White-cheeked pintail, the Cinnamon teal, the Common moorhen, the Virginia rail, the Cocoi heron, the Snowy egret, the Little blue heron, the Chilean flamingo, among others.[3][6][5]

Some of the mammals reported in the area are: Molina's hog-nosed skunk, the lesser grison, the Sechuran fox, the marine otter, Pallas's long-tongued bat, and the montane guinea pig.[3][5]

The aquatic ecosystems harbor species of fish like monengue (Dormitator latifrons), lisa (Mugil cephalus) and pejerrey (Basilichthys sp.); and crustaceans like Cryphiops caementarius and Ocypode gaudichaudii.[5]

Amphibians like Rhinella limensis and reptiles like the endemic tiger Pacific iguana and Phyllodactylus sp. also inhabit the sanctuary.[3][5]

Activities

Birdwatching and hiking can be done in the area.[3]

Environmental issues

The pumping of underground water and deviation of waters from the lagoons; disposal of agrochemical waste; illegal hunting, fishing and wood extraction; uncontrolled extraction of reeds; and the impact of beachgoers from nearby towns are the main environmental problems that affect this protected area.[5]

A study showed degradation in 97.93 hectares of the sanctuary due to limited management, which resulted in decreased biodiversity, especially birds. The study recommends that hydrological connectivity must be restored in order for the sanctuary to keep providing important environmental services.[7]

References
  1. "Lagunas De Mejía National Sanctuary". protectedplanet.net.
  2. "Santuario Nacional Lagunas de Mejía". Ramsar Sites Information Service. Retrieved 25 April 2018.
  3. "Lagunas de Mejía - Servicio Nacional de Áreas Naturales Protegidas por el Estado". www.sernanp.gob.pe (in European Spanish). Retrieved 2017-05-05.
  4. Myers J.P. (1982). "Mejia Lagoon: gone, but perhaps not forever". Wader Study Group Bulletin. 35: 29.
  5. "Santuario Nacional Lagunas de Mejía - Perfil de Parque - Información general". www.parkswatch.org (in Spanish). Retrieved 2017-05-05.
  6. "Santuario Nacional Lagunas de Mejía | Ramsar Sites Information Service" (PDF). rsis.ramsar.org. Retrieved 2017-05-05.
  7. Alcántara, M. B., Jiménez, R., Bustamante, M., Castañeda M., Jiménez J. (2013). Conservation of the Meíja Lagoons National Sanctuary Through the Recovery of Wetland Connectivity and its Surroundings. Dirección General de Investigación e Información Ambiental. Memoria Segundo Encuentro de Investigadores Ambientales.


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