Vallée de l'Isle de Périgueux à sa confluence avec la Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
80 km²
Commune · FRA
Libourne
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 108
Observations
27 018
Area
20,7km²
Ecological tissue
Sample of 44 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 Libourne : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 5 types (connectance 13.1%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
124
Connectance
0.131
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 108 distinct species · 27 018 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,7°C
Annual rain
801mm
Warmest m°
26,5°C
Coldest m°
3,0°C
Elevation: 10 m on average (min 3 m, max 28 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,7°C
Annual rain
801mm
Warmest month
26,5°C
Coldest month
3,0°C
Mean alt.
10m
Min
3m
Max
28m
Std. dev.
6m
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
6,9
Org. C
39,2g/kg
Clay
28,5%
Sand
36,3%
Silt
35,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Gironde
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
63,3g/kg
Clay
28,4%
Sand
36,1%
Silt
35,5%
5–15 cm
pH H₂O
6,9
Org. C
31,4g/kg
Clay
28,6%
Sand
36,0%
Silt
35,5%
15–30 cm
pH H₂O
6,9
Org. C
23,1g/kg
Clay
28,4%
Sand
36,7%
Silt
34,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.3%
Crops11.5%
Built-up8.8%
Bare soil2.5%
Other (grassland, water…)66.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
8,9km
Lake surface here
0,38km²
Basins crossed
3
Max stream order
6
Max drainage
23 784km²
Discharge in basins
12,4m³/s
Mean precip.
874mm/an
Mean T°
12,4°C
Moisture idx
-0,11
Max snow
3%
Mean runoff
477mm/an
Mean elev. (basins)
75m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
5,7nW
Built-up
881,0%
Pesticides
46,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
La Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
57 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.