Loire-Anjou-Touraine
IUCN VRegional Nature Park · 1996
2 788 km²
Commune · FRA
France
Species observed
1 404
Observations
18 387
Area
20,2km²
Sample of 30 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).
Tissu écologique de Vellèches : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 4 types (connectance 16.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 404 distinct species · 18 387 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
12,0°C
Annual rain
719mm
Warmest m°
24,6°C
Coldest m°
1,9°C
Elevation: 99 m on average (min 84 m, max 132 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,7
Org. C
26,5g/kg
Clay
24,3%
Sand
37,9%
Silt
37,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Vienne
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
5,3km
Basins crossed
2
Max stream order
1
Max drainage
21 028km²
Discharge in basins
2,8m³/s
Mean precip.
724mm/an
Mean T°
11,4°C
Moisture idx
-0,18
Max snow
5%
Mean runoff
235mm/an
Mean elev. (basins)
106m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,0nW
Built-up
47,2%
Pesticides
44,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1996
2 788 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.