Lake Conococha (possibly from

Quechua Quechua may refer to: *Quechua people, several Indigenous ethnic groups in South America, especially in Peru *Quechuan languages, an Indigenous South American language family spoken primarily in the Andes, derived from a common ancestral language ...

''quñuq'', ''qunuq'' warm, lukewarm, ''qucha'' lake, "warm lake") is a

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

located in the

Andes The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the List of longest mountain chains on Earth, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range ...

mountains of northwestern

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

. It is located in the region of

Ancash Ancash (; ) is a department and region in western Peru. It is bordered by the departments of La Libertad on the north, Huánuco and Pasco on the east, Lima on the south, and the Pacific Ocean on the west. Its capital is the city of Huaraz, an ...

near the junction of the roads going from

Callejón de Huaylas The Santa Valley (Quechua language, Quechua ''Sancta'') is an inter-andean valley in the Ancash Region in the north-central highlands of Peru. Due to its location between two mountain ranges, it is known as Callejón de Huaylas, the Alley of Huayl ...

to Chiquián.

Geography

Lake Conococha has an elevation of above

sea level Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...

and an extension of . It is located at the headwaters of the

Santa Santa Claus (also known as Saint Nicholas, Saint Nick, Father Christmas, Kris Kringle or Santa) is a legendary figure originating in Western Christian culture who is said to bring gifts during the late evening and overnight hours on Christma ...

River which runs in a northwest direction from the lake. According to the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

, the area presents a tundra climate (ET); with a mean annual temperature of 4.7 °C and an average annual rainfall of 543 mm. The village of Conococha is located on the western shore of the lake, where the roads from

Lima Lima ( ; ), founded in 1535 as the Ciudad de los Reyes (, Spanish for "City of Biblical Magi, Kings"), is the capital and largest city of Peru. It is located in the valleys of the Chillón River, Chillón, Rímac River, Rímac and Lurín Rive ...

and

Pativilca Pativilca is a town in central Peru, capital of the district Pativilca in the province Barranca in the region Lima Lima ( ; ), founded in 1535 as the Ciudad de los Reyes (, Spanish for "City of Biblical Magi, Kings"), is the capital and la ...

Huaraz Huaraz () (from Quechua: ''Waraq'' or ''Warash'', "''dawn''"), formerly designated as San Sebastián de Huaraz, is a city in Peru. It is the capital of the Ancash Region (State of Ancash) and the seat of government of Huaraz Province. The urb ...

and Chiquián meet.

Ecology

Flora

Aquatic vegetation on the shores is represented by reeds of ''

Scirpus ''Scirpus'' is a genus of grass-like species in the sedge family Cyperaceae many with the common names club-rush, wood club-rush or bulrush. They mostly inhabit wetlands and damp locations. Description ''Scirpus'' are rhizomatous perennial herbs ...

'' spp. and aquatic herbs like

watercress Watercress or yellowcress (''Nasturtium officinale'') is a species of aquatic flowering plant in the cabbage family, Brassicaceae. Watercress is a rapidly growing perennial plant native to Eurasia. It is one of the oldest known leaf vegetabl ...

, ''Elodea potamogeton'' and ''

Myriophyllum ''Myriophyllum'' (water milfoil) is a genus of about 69 species of freshwater aquatic plants, with a cosmopolitan distribution. The centre of diversity for ''Myriophyllum'' is Australia with 43 recognized species (37 endemic). These submersed aq ...

'' sp. While the surrounding meadows include plants of genera ''

Carex ''Carex'' is a vast genus of over 2,000 species of grass-like plants in the family (biology), family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of ge ...

'' and ''

Calamagrostis ''Calamagrostis'' (reed grass or smallweed) is a genus of flowering plants in the grass family Poaceae, with about 260 species that occur mainly in temperate regions of the globe. Towards equatorial latitudes, species of ''Calamagrostis'' general ...

''.

Fauna

The lake is home to a frog species (''

Telmatobius ''Telmatobius'' is a genus of frogs native to the Andean highlands in South America, where they are found in Ecuador, Peru, Bolivia, northwestern Argentina and northern Chile. It is the only genus in the family Telmatobiidae. Some sources recogni ...

mayoloi'') discovered in 1996 and endemic of the Santa River basin.

Environmental issues

Lake Conococha is undergoing a process of

eutrophication Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water; ie. the process of too many plants growing on the s ...

(overpopulation of plants and algae due to pollution), being the main reasons: livestock raising, blackwater from the surrounding villages, and disposal of solid waste on the lake shores.

References