HydroBASINS lev08 watershed · #2080562620
Bassin de la Lède
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, Lot-et-Garonne
Sub-basin area
404,4km²
Upstream area
404,4km²
Discharge
4,73m³/s
Mean elev.
137m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 379.3 km²93.6% of basin
- 26.0 km²6.4% of basin
35 communes (GADM L5)Available for FRA, RWA
- Monflanquin62.58 km²100% commune
- Saint-Eutrope-de-Born32.92 km²87% commune
- Villeneuve-sur-Lot28.73 km²35% commune
- Paulhiac22.04 km²100% commune
- Montagnac-sur-Lède19.93 km²100% commune
- Castelnaud-de-Gratecambe17.44 km²100% commune
- Laussou17.23 km²100% commune
- Saint-Aubin15.88 km²89% commune
- Gavaudun14.80 km²70% commune
- La Sauvetat-sur-Lède14.23 km²100% commune
- Lacapelle-Biron14.01 km²100% commune
- Cancon13.05 km²53% commune
- Biron11.91 km²89% commune
- Salles11.73 km²54% commune
- Savignac-sur-Leyze11.14 km²100% commune
- Boudy-de-Beauregard10.14 km²100% commune
- Blanquefort-sur-Briolance10.06 km²24% commune
- Lacaussade10.05 km²100% commune
- Dévillac9.18 km²96% commune
- Beaugas9.05 km²40% commune
- Lédat8.22 km²63% commune
- Vergt-de-Biron7.69 km²46% commune
- Pailloles6.27 km²68% commune
- Soulaures6.26 km²63% commune
- Monségur4.93 km²44% commune
- Lougratte4.04 km²19% commune
- Saint-Étienne-de-Villeréal3.57 km²25% commune
- Casseneuil3.33 km²18% commune
- Montaut3.00 km²21% commune
- Condezaygues1.17 km²11% commune
- Saint-Martin-de-Villeréal0.33 km²4% commune
- Trentels0.12 km²1% commune
- Mazeyrolles0.10 km²0% commune
- Villeréal0.07 km²0% commune
- Saint-Sylvestre-sur-Lot0.02 km²0% commune
2 intersecting protected areas
vallee de gavaudun
IUCN IVLand acquired by a regional conservatory of natural areas
0.09 km² overlap
prairies humides du ledat
IUCN IVLand acquired by a regional conservatory of natural areas
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 988 distinct species · 114 017 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 la Lède : 22 espèces reliées par 132 interactions GloBI sur 6 types (connectance 18.8%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
12,3°C
Annual rain
813mm
Moisture idx (CMI)
-0,18
Runoff
368mm/an
PET
986mm
AET
670mm
Mean slope
3,2°
Water table
181cm
Forest
13%
Crops
72%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)