Ontologia

HydroLAKES lake · #10061

Lago de Viana

Natural lakeBrazilSouth America 2 m

Surface area

73,83km²

Avg depth

2,3m

Volume

167,08km³

Shoreline

254,3km

Administrative coverage

Parent watershed

hybas-60802854902564 km² · upstream 2564 km²

3 dept-equivalent regions (GADM L2)

  • Viana
    Maranhão · Brazil
    54.59 km²
    74.3% of lake
  • Penalva
    Maranhão · Brazil
    10.40 km²
    14.1% of lake
  • Cajari
    Maranhão · Brazil
    8.51 km²
    11.6% of lake

2 intersecting protected areas

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

5 distinct species · 8 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 obs · 1 cellules
Obs. / cellule
≥ 8
8–7
8–7
8–7
< 8

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Lake statistics (HydroLAKES)

Surface

73,83km²

Avg depth

2,3m

Volume

167,080km³

Watershed

330km²

Shoreline

254,3km

Shore dev. idx

8,35

Residence time

248days

Elevation

2m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.