La Vire et ses affluents
IUCN IVBiotope Protection Order · 2019
18 km²
Commune · FRA
France
Species observed
187
Observations
2 098
Area
3,8km²
Sample of 33 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 Le Mesnil-Robert : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
187 distinct species · 2 098 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,8°C
Annual rain
1 054mm
Warmest m°
21,4°C
Coldest m°
2,3°C
Elevation: 120 m on average (min 96 m, max 135 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,0
Org. C
29,9g/kg
Clay
21,4%
Sand
21,6%
Silt
57,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Calvados
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
2,4km
Basins crossed
1
Max stream order
2
Max drainage
1 958km²
Discharge in basins
0,1m³/s
Mean precip.
775mm/an
Mean T°
10,7°C
Moisture idx
0,06
Max snow
8%
Mean runoff
738mm/an
Mean elev. (basins)
111m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,1nW
Built-up
88,8%
Pesticides
30,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Biotope Protection Order · 2019
18 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.