HydroBASINS lev08 watershed · #2080546820
Bassin de l'Isle
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 : Dordogne, Haute-Vienne
Sub-basin area
927,4km²
Upstream area
927,6km²
Discharge
14,68m³/s
Mean elev.
288m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 670.0 km²72.1% of basin
- 259.5 km²27.9% of basin
62 communes (GADM L5)Available for FRA, RWA
- Saint-Yrieix-la-Perche86.18 km²85% commune
- Jumilhac-le-Grand68.10 km²100% commune
- Ladignac-le-Long47.50 km²100% commune
- Saint-Paul-la-Roche38.78 km²98% commune
- Sarlande36.28 km²100% commune
- Sorges35.84 km²73% commune
- Sarrazac30.36 km²100% commune
- Coulaures30.13 km²99% commune
- La Meyze27.65 km²100% commune
- Bussière-Galant26.10 km²48% commune
- Lanouaille24.09 km²97% commune
- La Roche-l'Abeille23.96 km²66% commune
- Angoisse23.77 km²100% commune
- Savignac-les-Églises23.11 km²100% commune
- Corgnac-sur-l'Isle22.01 km²100% commune
- Payzac21.35 km²43% commune
- Saint-Priest-les-Fougères21.20 km²100% commune
- Dussac20.54 km²100% commune
- Saint-Sulpice-d'Excideuil19.53 km²100% commune
- Saint-Germain-des-Prés18.85 km²100% commune
- Saint-Pierre-de-Frugie18.78 km²86% commune
- Saint-Médard-d'Excideuil18.50 km²99% commune
- Saint-Jory-las-Bloux17.70 km²100% commune
- Antonne-et-Trigonant17.53 km²84% commune
- Nantheuil17.02 km²96% commune
- Saint-Hilaire-les-Places15.07 km²67% commune
- Le Chalard11.81 km²100% commune
- Mayac11.41 km²100% commune
- Saint-Martial-d'Albarède11.20 km²100% commune
- Nanthiat11.12 km²100% commune
- Clermont-d'Excideuil10.60 km²100% commune
- Eyzerac10.51 km²94% commune
- Glandon10.10 km²37% commune
- Sarliac-sur-l'Isle9.89 km²98% commune
- Saint-Vincent-sur-l'Isle9.73 km²97% commune
- La Coquille9.66 km²40% commune
- Savignac-Lédrier8.42 km²32% commune
- Saint-Pantaly-d'Excideuil8.13 km²97% commune
- Négrondes7.89 km²38% commune
- Thiviers6.90 km²24% commune
- Nexon6.71 km²16% commune
- Chalais5.67 km²31% commune
- Excideuil5.01 km²100% commune
- Cornille4.15 km²32% commune
- Janailhac3.19 km²17% commune
- Cubjac3.09 km²14% commune
- Vaunac3.08 km²21% commune
- Escoire2.61 km²66% commune
- Saint-Raphaël2.48 km²35% commune
- Preyssac-d'Excideuil2.19 km²68% commune
- Rilhac-Lastours1.18 km²7% commune
- Trélissac0.95 km²4% commune
- Saint-Pantaly-d'Ans0.63 km²6% commune
- Anlhiac0.51 km²4% commune
- La Boissière-d'Ans0.42 km²5% commune
- Tourtoirac0.09 km²0% commune
- Coussac-Bonneval0.08 km²0% commune
- Agonac0.07 km²0% commune
- Sainte-Eulalie-d'Ans0.06 km²0% commune
- Firbeix0.03 km²0% commune
- Le Change0.01 km²0% commune
- Génis0.00 km²0% commune
8 intersecting protected areas
Périgord-Limousin
IUCN VRegional Nature Park
205.13 km² overlap
Réseau hydrographique de la Haute Dronne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.48 km² overlap
Pelouses et landes serpentinicoles du sud de la Haute Vienne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.62 km² overlap
Lande De Saint-Laurent
IUCN IVBiotope Protection Order
0.41 km² overlap
Regional Nature Reserve
0.11 km² overlap
Land acquired by a regional conservatory of natural areas
0.08 km² overlap
Tunnel d'Excideuil
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.04 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 375 distinct species · 130 758 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de l'Isle : 42 espèces + 4 bulles famille, 99 interactions GloBI documentées sur 6 types (connectance 9.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,4°C
Annual rain
991mm
Moisture idx (CMI)
0,04
Runoff
487mm/an
PET
947mm
AET
712mm
Mean slope
3,6°
Water table
259cm
Forest
24%
Crops
8%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)