Ontologia

Rivière· 31 segments

Nianija Bolon

Crosses 5 administrative regions : Kaffrine, Koungheul, Niani, Nianija, Upper Saloum

rivière

Total length

91km

Max discharge

4,8m³/s

Max Strahler

4

Segments matched

31

River geography5 admin regions · 0 communes

Parent watershed

hybas-1080672460799 km²

5 administrative regions crossed (GADM L2)

  • Koungheul
    Kaffrine · Senegal
    78.5 km
    in this dpt
  • Upper Saloum
    Maccarthy Island · Gambia
    36.8 km
    in this dpt
  • Nianija
    Maccarthy Island · Gambia
    5.8 km
    in this dpt
  • Kaffrine
    Kaffrine · Senegal
    5.3 km
    in this dpt
  • Niani
    Maccarthy Island · Gambia
    1.9 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 31 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

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

Hydrology (HydroRIVERS v10)

Total length

91km

Max discharge

4,8m³/s

Max Strahler

4

Segments matched

31

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.