Vallée de la Dordogne sur l'ensemble de son cours et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
76 km²
Commune · FRA
Bassignac-le-Bas
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
912
Observations
4 777
Area
12,8km²
Ecological tissue
Sample of 36 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 Bassignac-le-Bas : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 4 bulles famille, 53 interactions GloBI documentées sur 5 types (connectance 8.4%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
36
Interactions affichées
53
Connectance
0.084
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
912 distinct species · 4 777 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
1 460mm
Warmest m°
24,5°C
Coldest m°
0,9°C
Elevation: 357 m on average (min 203 m, max 485 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
1 460mm
Warmest month
24,5°C
Coldest month
0,9°C
Mean alt.
357m
Min
203m
Max
485m
Std. dev.
83m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
50,1g/kg
Clay
27,8%
Sand
34,6%
Silt
37,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Corrèze
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
88,8g/kg
Clay
27,6%
Sand
35,2%
Silt
37,2%
5–15 cm
pH H₂O
6,1
Org. C
39,7g/kg
Clay
27,9%
Sand
34,8%
Silt
37,3%
15–30 cm
pH H₂O
6,1
Org. C
22,0g/kg
Clay
27,7%
Sand
33,7%
Silt
38,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest58.8%
Crops20.2%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)20.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
5,3km
Basins crossed
1
Max stream order
5
Max drainage
5 529km²
Discharge in basins
10,3m³/s
Mean precip.
835mm/an
Mean T°
11,6°C
Moisture idx
-0,13
Max snow
4%
Mean runoff
600mm/an
Mean elev. (basins)
329m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
29,5%
Pesticides
40,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Rivière La Dordogne
IUCN IVBiotope Protection Order · 1985
4 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.