Landes de Touverac - Saint-Vallier
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
22 km²
Commune · FRA
Chevanceaux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 684
Observations
16 777
Area
22km²
Ecological tissue
Sample of 39 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 Chevanceaux : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 126 interactions GloBI sur 5 types (connectance 14.6%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
126
Connectance
0.146
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
1 684 distinct species · 16 777 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,9°C
Annual rain
865mm
Warmest m°
25,5°C
Coldest m°
2,6°C
Elevation: 100 m on average (min 74 m, max 124 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,9°C
Annual rain
865mm
Warmest month
25,5°C
Coldest month
2,6°C
Mean alt.
100m
Min
74m
Max
124m
Std. dev.
13m
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
6,5
Org. C
33,6g/kg
Clay
29,7%
Sand
30,1%
Silt
40,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Charente-Maritime
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
57,9g/kg
Clay
28,4%
Sand
30,1%
Silt
41,5%
5–15 cm
pH H₂O
6,5
Org. C
25,3g/kg
Clay
29,8%
Sand
29,4%
Silt
40,8%
15–30 cm
pH H₂O
6,6
Org. C
17,7g/kg
Clay
30,9%
Sand
30,8%
Silt
38,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.8%
Crops37.3%
Built-up0.9%
Bare soil1.7%
Other (grassland, water…)34.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,3km
Basins crossed
2
Max stream order
2
Max drainage
934km²
Discharge in basins
0,4m³/s
Mean precip.
892mm/an
Mean T°
12,2°C
Moisture idx
-0,06
Max snow
3%
Mean runoff
534mm/an
Mean elev. (basins)
82m
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
Night light
0,2nW
Built-up
92,6%
Pesticides
41,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Vallées du Lary et du Palais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
18 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.