Vallée de la Tude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
16 km²
Commune · FRA
Courgeac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 301
Observations
16 833
Area
18,5km²
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 Courgeac : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 135 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
135
Connectance
0.182
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
1 301 distinct species · 16 833 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
883mm
Warmest m°
25,5°C
Coldest m°
2,2°C
Elevation: 117 m on average (min 93 m, max 160 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
883mm
Warmest month
25,5°C
Coldest month
2,2°C
Mean alt.
117m
Min
93m
Max
160m
Std. dev.
18m
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
7,3
Org. C
31,1g/kg
Clay
33,1%
Sand
27,8%
Silt
39,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Charente
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,2
Org. C
51,5g/kg
Clay
30,7%
Sand
28,3%
Silt
41,0%
5–15 cm
pH H₂O
7,4
Org. C
24,0g/kg
Clay
33,6%
Sand
27,0%
Silt
39,4%
15–30 cm
pH H₂O
7,4
Org. C
17,7g/kg
Clay
34,9%
Sand
28,1%
Silt
36,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest29.7%
Crops42.8%
Built-up0.3%
Bare soil0.8%
Other (grassland, water…)26.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,2km
Basins crossed
2
Max stream order
2
Max drainage
2 790km²
Discharge in basins
0,3m³/s
Mean precip.
910mm/an
Mean T°
11,9°C
Moisture idx
-0,04
Max snow
2%
Mean runoff
517mm/an
Mean elev. (basins)
145m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
32,9%
Pesticides
41,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Côteaux du Montmorélien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
3 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.