Ontologia

HydroBASINS lev08 watershed · #2080543360

Bassin de la Dordogne

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 4 administrative regions : Cantal, Corrèze, Creuse, Puy-de-Dôme

9% lakePfafstetter: 23216090

Sub-basin area

1 014,4km²

Upstream area

1 014,6km²

Discharge

19,46m³/s

Mean elev.

832m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

67 communes (GADM L5)

26 intersecting protected areas

17 more protected areas

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

Species present

5 527 distinct species · 366 128 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

366 194 obs · 32 cellules
Obs. / cellule
≥ 91 499
17 150–91 498
14 243–17 149
6 608–14 242
< 6 608

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

Ecological tissue

Sample of 33 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 la Dordogne : 29 espèces + 4 bulles famille, 52 interactions GloBI documentées sur 7 types (connectance 9.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
52
Connectance
0.099
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°

8,3°C

Annual rain

861mm

Moisture idx (CMI)

0,04

Runoff

545mm/an

PET

826mm

AET

664mm

Mean slope

5,8°

Water table

362cm

Forest

66%

Crops

6%

Urban

0%

Protected

55%

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