Ontologia

Fleuve· 75 segments

Koshi

Crosses 10 administrative regions : Bhagalpur, Katihar, Khagaria, Koshi, Madhepura +5

fleuve

Total length

323km

Max discharge

2 293,1m³/s

Max Strahler

7

Segments matched

75

River geography10 admin regions · 0 communes

Parent watershed

hybas-4080910110792 km²

10 administrative regions crossed (GADM L2)

  • Bhagalpur
    Bihar · India
    87.9 km
    in this dpt
  • Supaul
    Bihar · India
    74.7 km
    in this dpt
  • Saharsa
    Bihar · India
    74.4 km
    in this dpt
  • Khagaria
    Bihar · India
    51.3 km
    in this dpt
  • Sagarmatha
    East · Nepal
    41.4 km
    in this dpt
  • Koshi
    East · Nepal
    33.3 km
    in this dpt
  • Madhepura
    Bihar · India
    16.2 km
    in this dpt
  • Katihar
    Bihar · India
    10.6 km
    in this dpt
  • Purnia
    Bihar · India
    0.6 km
    in this dpt
  • Samastipur
    Bihar · India
    0.0 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 75 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

64 distinct species · 173 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 22 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Koshi : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
18
Connectance
0.078
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

323km

Max discharge

2 293,1m³/s

Max Strahler

7

Segments matched

75

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