Ontologia

HydroBASINS lev08 watershed · #2080535190

Bassin de la Vienne

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 1 administrative regions : Haute-Vienne

Pfafstetter: 23224070

Sub-basin area

222,3km²

Upstream area

2 420,7km²

Discharge

30,93m³/s

Mean elev.

337m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

20 communes (GADM L5)

2 intersecting protected areas

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

Species present

4 718 distinct species · 193 316 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

193 316 obs · 16 cellules
Obs. / cellule
≥ 32 586
26 904–32 585
15 186–26 903
9 878–15 185
< 9 878

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

Ecological tissue

Sample of 38 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 Vienne : 22 espèces reliées par 110 interactions GloBI sur 6 types (connectance 14.8%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
110
Connectance
0.148
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

1 056mm

Moisture idx (CMI)

0,12

Runoff

388mm/an

PET

924mm

AET

721mm

Mean slope

3,5°

Water table

310cm

Forest

36%

Crops

16%

Urban

29%

Protected

0%

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