GNF - Data Lake St. Lucia
 

Detailed Data Lake St. Lucia

 

Partner Living Lakes

The Wilderness Foundation,

Wildlands Conservation Trust

Partner Lake since

1998 (Foundation member)

Origin

sinking sea level

Age

25,000 to 18,000 years

State of protection

National Park

UNESCO World Heritage Site (since 1999)

Ramsar Site (since 1986)

Size St. Lucia Lake

350 sq. km [km²]

Length

40 km + 20 km tidal channel

Width
up to 15 km

Size of the protected area

2,550 sq. km [km²]

Water volume

525 billion of cubic m [m³]

Maximum depth

5 m

Sea level

+ 0,5 m (wet period)

- 0,4 m (dry period)

Catchment area

14,860 sq. km [km²]

In-flows

5

Largest in-flow

Nyalazi river

Out-flow

Estuary (Indian Ocean)

Salinity

0 to 70 ppt,

depending on in-flow and tides

Precipitation per year

1,037 mm (700 to 1,200 mm)

Mean air temperature

22 °C

Frozen over

never

Nature Reserve

iSimangaliso Wetland Park (until October 2007: Greater St. Lucia Wetland Park)

Location

South Africa, Province KwaZulu Natal

Vegetation

world´s highest wooded dunes, grassland, swamps Reedbeds, papyrus jungle, bushland, savannah

Animals

991 species

Reptiles

1,000 Nile crocodiles > 1 m

Nesting birds

530 species

Water birds max.

60,000 flamingos

Mammals

800 hippos

Biggest problem

drainage of Mfolozi swamps

Greatest success

recognition as "World Heritage"