HydroBASINS lev08 watershed · #2080561650
Bassin de Ruisseau de Saint-Matré
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 3 administrative regions : Dordogne, Lot, Lot-et-Garonne
Sub-basin area
366km²
Upstream area
10 007,6km²
Discharge
137,38m³/s
Mean elev.
189m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Lot699 km²
- Bassin de Ruisseau du Vert215 km²
3 dept-equivalent regions (GADM L2)
- 324.3 km²88.4% of basin
- 39.6 km²10.8% of basin
- 2.8 km²0.8% of basin
42 communes (GADM L5)Available for FRA, RWA
- Puy-l'Évêque26.21 km²100% commune
- Prayssac24.33 km²100% commune
- Montcabrier21.60 km²100% commune
- Frayssinet-le-Gélat21.56 km²94% commune
- Soturac20.04 km²100% commune
- Le Boulvé19.52 km²100% commune
- Bélaye19.08 km²100% commune
- Fumel15.83 km²70% commune
- Duravel15.40 km²100% commune
- Montayral15.16 km²60% commune
- Floressas13.62 km²98% commune
- Cassagnes11.67 km²100% commune
- Carnac-Rouffiac11.59 km²90% commune
- Grézels10.55 km²100% commune
- Saint-Martin-le-Redon10.30 km²100% commune
- Fargues9.86 km²66% commune
- Saint-Caprais8.86 km²100% commune
- Montcléra8.13 km²38% commune
- Albas8.04 km²37% commune
- Vire-sur-Lot8.01 km²100% commune
- Lacapelle-Cabanac7.13 km²89% commune
- Pomarède6.90 km²93% commune
- Saint-Front-sur-Lémance5.83 km²29% commune
- Saint-Matré4.92 km²77% commune
- Anglars-Juillac4.86 km²100% commune
- Sauzet4.79 km²41% commune
- Sérignac4.22 km²22% commune
- Touzac3.65 km²100% commune
- Mauroux2.98 km²18% commune
- Marminiac2.93 km²13% commune
- Lagardelle2.82 km²100% commune
- Sauveterre-la-Lémance2.69 km²11% commune
- Castelfranc2.54 km²44% commune
- Pescadoires2.52 km²100% commune
- Les Junies2.44 km²18% commune
- Goujounac2.00 km²19% commune
- Loubejac1.58 km²8% commune
- Villefranche-du-Périgord1.25 km²5% commune
- Belmontet0.55 km²5% commune
- Bagat-en-Quercy0.38 km²2% commune
- Luzech0.23 km²1% commune
- Cuzorn0.12 km²1% commune
3 intersecting protected areas
Coteaux de la vallée de la Lémance
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.02 km² overlap
Coteaux de Thézac et de Montayral
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
Falaises lotoises (Rapaces)
IUCN IVBiotope Protection Order
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 447 distinct species · 88 893 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Ruisseau de Saint-Matré : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 6 types (connectance 15.3%, 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
815mm
Moisture idx (CMI)
-0,17
Runoff
359mm/an
PET
986mm
AET
673mm
Mean slope
5,5°
Water table
274cm
Forest
52%
Crops
29%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)