Detailed Data

 

Mar Chiquita

 
 

Partner Living Lakes

 

Centro de Zoologíca Aplicada Argentina

University Córdoba

 

Partner Lake since

 

2000

 

Origin

 

tectonic

 

Age

 

2 million years

 
State of protection
 

national protection status

Ramsar site (since 2002)

 

Size

 

1,960 sq. km [km²] to 5,770 sq. km [km²]

largest lake in Argentina, fifth largest drainless lake world-wide

 

Length, width

 

30 - 100 km, 76 - 140 km

 

Water volume

 

150 million of cubic m [m³] to 2,390 billion of cubic m [m³]

 

Maximum depth

 

11 m

 

Sea level

 

62 - 71 m

 

Catchment area

 

37,570 sq. km [km²]

 

In-flows

 

3

 

Largest in-flow

 

Dulce River

 

Out-flows

 

none

 

Salt content

 

29 - 275 g/l, corresponding to the water level

 

Precipitation per year

 

approx. 700 mm

 

Mean air temperature

 

18 - 19 °C

 

Location

 

Argentina

 

Vegetation

 

forest, savannah, pastures, fields, salt-marsh

 

Nesting birds

 

50,000 pairs of Chileflamingo

(in the 1970s, approx. 10 % of world population)

through 300,000 pairs of brown-hooded gull (Larus maculipennis)

 

Resting birds

 

500,000 Wilson´s phalarope (1970s)

20,000 American golden plover (Pluvialis dominica)

 

Biggest problems

 

withdrawal of water at the inflows, drying-out of the lagoon, decrease of the rain amounts and increasing natural evaporation, entry of pollution from settlement and industry

 
 
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