Ontologia

HydroBASINS lev08 watershed · #4080975860

Bassin de Subarnarekha

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 5 administrative regions : Bokaro, Khunti, Puruliya, Ramgarh, Ranchi

10% lakePfafstetter: 45316090

Sub-basin area

2 260,3km²

Upstream area

2 260,3km²

Discharge

50,99m³/s

Mean elev.

478m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Subarnarekha River724 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

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

Species present

708 distinct species · 39 900 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 900 obs · 47 cellules
Obs. / cellule
≥ 8 070
2 269–8 069
464–2 268
138–463
< 138

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 35 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 Bassin de Subarnarekha : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
45
Connectance
0.076
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

24,8°C

Annual rain

1 320mm

Moisture idx (CMI)

-0,19

Runoff

689mm/an

PET

1 629mm

AET

876mm

Mean slope

3,0°

Water table

170cm

Forest

21%

Crops

58%

Urban

19%

Protected

0%

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