Ontologia

HydroBASINS lev08 watershed · #1081219900

Bassin de Niari

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 2 administrative regions : Louvakou (Loubomo), Mossendjo

Pfafstetter: 13320190

Sub-basin area

118,4km²

Upstream area

46 251,8km²

Discharge

752,45m³/s

Mean elev.

114m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Niari1216 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Tsoulou

    IUCN IV

    Wildlife Reserve

    28.99 km² overlap

  • Vallée du Niari

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    17.25 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

5 distinct species · 6 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 obs · 2 cellules
Obs. / cellule
≥ 5
5–4
5–4
5–4
< 5

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.

Hydroclimate (BasinATLAS lev08)

Mean T°

25,6°C

Annual rain

1 251mm

Moisture idx (CMI)

-0,21

Runoff

348mm/an

PET

1 576mm

AET

1 058mm

Mean slope

1,5°

Water table

117cm

Forest

70%

Crops

0%

Urban

2%

Protected

25%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)