Ontologia

HydroBASINS lev08 watershed · #2080544940

Bassin du Rhône

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 : Ardèche, Drôme, Isère, Loire, Rhône

Pfafstetter: 21602507

Sub-basin area

1 215,5km²

Upstream area

51 669km²

Discharge

1 127,96m³/s

Mean elev.

347m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

5 dept-equivalent regions (GADM L2)

138 communes (GADM L5)

17 intersecting protected areas

8 more protected areas

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

Species present

6 391 distinct species · 576 870 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

576 963 obs · 35 cellules
Obs. / cellule
≥ 61 636
26 312–61 635
17 959–26 311
14 853–17 958
< 14 853

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

Ecological tissue

Sample of 41 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 du Rhône : 38 espèces + 3 bulles famille, 69 interactions GloBI documentées sur 6 types (connectance 8.4%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
69
Connectance
0.084
Patrimoniales
0
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°

10,9°C

Annual rain

852mm

Moisture idx (CMI)

-0,07

Runoff

396mm/an

PET

916mm

AET

678mm

Mean slope

4,9°

Water table

271cm

Forest

10%

Crops

53%

Urban

10%

Protected

18%

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