Ontologia

HydroBASINS lev08 watershed · #5080572990

Bassin de Bell River

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 3 administrative regions : Cabonne, Orange, Wellington

Pfafstetter: 56464706

Sub-basin area

1 888,2km²

Upstream area

1 888,2km²

Discharge

2,38m³/s

Mean elev.

589m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

2 550 distinct species · 108 072 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

108 072 obs · 44 cellules
Obs. / cellule
≥ 44 309
3 148–44 308
716–3 147
469–715
< 469

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 Bell River : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 5 types (connectance 9.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
54
Connectance
0.091
Patrimoniales
1
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°

14,4°C

Annual rain

776mm

Moisture idx (CMI)

-0,42

Runoff

40mm/an

PET

1 356mm

AET

658mm

Mean slope

3,9°

Water table

568cm

Forest

13%

Crops

24%

Urban

1%

Protected

0%

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