Bassin de la Druance
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
57 km²
Commune · FRA
Vassy
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
88
Observations
222
Area
31,7km²
Ecological tissue
Sample of 32 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 Vassy : 25 espèces reliées par 66 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
66
Connectance
0.133
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
88 distinct species · 222 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
998mm
Warmest m°
21,5°C
Coldest m°
1,8°C
Elevation: 172 m on average (min 131 m, max 218 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
998mm
Warmest month
21,5°C
Coldest month
1,8°C
Mean alt.
172m
Min
131m
Max
218m
Std. dev.
20m
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
5,9
Org. C
34,4g/kg
Clay
22,1%
Sand
21,5%
Silt
56,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Calvados
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
52,3g/kg
Clay
22,6%
Sand
21,2%
Silt
56,3%
5–15 cm
pH H₂O
5,9
Org. C
29,0g/kg
Clay
21,3%
Sand
21,3%
Silt
57,4%
15–30 cm
pH H₂O
5,9
Org. C
21,9g/kg
Clay
22,5%
Sand
21,9%
Silt
55,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.4%
Crops57.8%
Built-up0.8%
Bare soil0.4%
Other (grassland, water…)29.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
17,5km
Basins crossed
2
Max stream order
2
Max drainage
1 958km²
Discharge in basins
0,8m³/s
Mean precip.
769mm/an
Mean T°
10,0°C
Moisture idx
0,03
Max snow
8%
Mean runoff
706mm/an
Mean elev. (basins)
204m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
81,3%
Pesticides
42,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.