GNF - Data La Nava
 

Detailed Data La Nava

 

Partner Living Lakes

Fundación Global Nature

Partner Lake since

1998

Origin

via rivers (in enclosed basin)

Age

unknown

Drainage

during the 1950s

Restoration

1990

State of protection
RAMSAR site, a wetland of international importance (since 2002)

Size

original: 30 to 50 sq. km [km²]

today: 3.14 sq. km [km²]

Maximum depth

1.6 m

Sea level

737 m

Catchment area

864 sq. km [km²]

In-flows

several

Largest in-flow

Valdejinate river

Out-flows

none

Salinity

fresh water

Precipitation per year

393 mm

Mean air temperature

12 °C

Frozen over

ocassionally

Location

Castilla ye-León, Spain

Vegetation

cereal and irrigation fields

Birds

225 species (in Spain: 500 species)

Lake-side nesters

65 pairs of lapwing

40 pairs of black-winged stilt

Lake-side resters (max.)

15,000 greylag goose

25,000 maillard

Mammals

23 species

Reptiles

7 species

Amphibians

5 species

Fish

6 species

Inhabitants

840

Biggest problem

smallness of the lake

Greatest success

restoration

Industrial exploitation

water pollution (small tanneries)

Agricultural exploitation

growing of cereals

intensive cultivation of vegetables

extensification of agriculture in the whole catchment area necessary

Tourism activities

first steps