Ontologia

HydroBASINS lev08 watershed · #1080728360

Bassin du Niger

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 across 2 countries : Dosso, Karimama

Pfafstetter: 14259006

Sub-basin area

860,3km²

Upstream area

860,7km²

Discharge

1,89m³/s

Mean elev.

220m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger74 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Dosso
    Dosso · Niger
    857.0 km²
    100.0% of basin
  • Karimama
    Alibori · Benin
    0.0 km²
    0.0% of basin

3 intersecting protected areas

  • Dosso

    IUCN IV

    Partial Fauna Reserve

    822.71 km² overlap

  • Dallol Bosso

    IUCN IV

    Wetland of International Importance (Ramsar Site)

    446.03 km² overlap

  • Zone humide du moyen Niger

    IUCN Ib

    Wetland of International Importance (Ramsar Site)

    84.15 km² overlap

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

Species present

14 distinct species · 23 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 obs · 7 cellules
Obs. / cellule
≥ 8
8–7
2–7
2–1
< 2

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°

28,9°C

Annual rain

629mm

Moisture idx (CMI)

-0,69

Runoff

67mm/an

PET

2 033mm

AET

530mm

Mean slope

0,5°

Water table

155cm

Forest

0%

Crops

3%

Urban

0%

Protected

0%

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