Loire-Anjou-Touraine
IUCN VRegional Nature Park · 1996
2 788 km²
Commune · FRA
France
Species observed
1 487
Observations
22 879
Area
3,3km²
Sample of 38 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 Varrains : 31 espèces reliées par 109 interactions GloBI sur 5 types (connectance 15.5%, 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).
1 487 distinct species · 22 879 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
12,1°C
Annual rain
654mm
Warmest m°
24,5°C
Coldest m°
2,2°C
Elevation: 46 m on average (min 38 m, max 73 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
0,9km
Basins crossed
1
Max stream order
5
Max drainage
3 364km²
Discharge in basins
0,0m³/s
Mean precip.
731mm/an
Mean T°
11,3°C
Moisture idx
-0,15
Max snow
4%
Mean runoff
287mm/an
Mean elev. (basins)
117m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
2hab/km²
Night light
1,0nW
Built-up
568,6%
Pesticides
44,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1996
2 788 km²
Special Areas of Conservation (Habitats Directive) · 2015
94 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.