Ontologia

HydroBASINS lev08 watershed · #2080542830

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 2 administrative regions : Cantal, Corrèze

Pfafstetter: 23216079

Sub-basin area

38km²

Upstream area

1 951,4km²

Discharge

52,8m³/s

Mean elev.

573m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

8 communes (GADM L5)

3 intersecting protected areas

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

Species present

1 387 distinct species · 21 597 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 597 obs · 1 cellules
Obs. / cellule
≥ 21 597
21 597–21 596
21 597–21 596
21 597–21 596
< 21 597

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

Ecological tissue

Sample of 30 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 : 28 espèces + 2 bulles famille, 48 interactions GloBI documentées sur 3 types (connectance 11.0%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
48
Connectance
0.110
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°

10,0°C

Annual rain

794mm

Moisture idx (CMI)

-0,12

Runoff

702mm/an

PET

901mm

AET

658mm

Mean slope

8,6°

Water table

487cm

Forest

48%

Crops

1%

Urban

0%

Protected

0%

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