Ontologia

HydroBASINS lev08 watershed · #1080787830

Bassin de Niandan

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 1 administrative regions : Kouroussa

Pfafstetter: 14298309

Sub-basin area

8,1km²

Upstream area

30 373,3km²

Discharge

414,36m³/s

Mean elev.

367m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Wetland of International Importance (Ramsar Site)

    8.11 km² overlap

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

Species present

11 distinct species · 12 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 obs · 1 cellules
Obs. / cellule
≥ 12
12–11
12–11
12–11
< 12

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°

26,0°C

Annual rain

1 483mm

Moisture idx (CMI)

-0,29

Runoff

369mm/an

PET

2 091mm

AET

1 056mm

Mean slope

0,7°

Water table

56cm

Forest

0%

Crops

1%

Urban

18%

Protected

0%

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