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

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

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.