Complexe forestier Rennes-Liffré-Chevré, Étang et lande d'Ouée, forêt de Haute Sève
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
17 km²
Commune · FRA
Mézières-sur-Couesnon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
823
Observations
11 309
Area
25,5km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Mézières-sur-Couesnon : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 6 types (connectance 19.4%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
129
Connectance
0.194
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
823 distinct species · 11 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,3°C
Annual rain
837mm
Warmest m°
22,3°C
Coldest m°
2,4°C
Elevation: 79 m on average (min 64 m, max 107 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,3°C
Annual rain
837mm
Warmest month
22,3°C
Coldest month
2,4°C
Mean alt.
79m
Min
64m
Max
107m
Std. dev.
10m
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
6,1
Org. C
32,5g/kg
Clay
23,1%
Sand
20,1%
Silt
56,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
50,6g/kg
Clay
22,4%
Sand
20,2%
Silt
57,4%
5–15 cm
pH H₂O
6,1
Org. C
28,0g/kg
Clay
23,3%
Sand
19,7%
Silt
57,0%
15–30 cm
pH H₂O
6,1
Org. C
18,8g/kg
Clay
23,7%
Sand
20,4%
Silt
55,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.7%
Crops44.2%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)33.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,3km
Basins crossed
2
Max stream order
3
Max drainage
1 599km²
Discharge in basins
0,4m³/s
Mean precip.
744mm/an
Mean T°
11,0°C
Moisture idx
-0,04
Max snow
6%
Mean runoff
548mm/an
Mean elev. (basins)
90m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
88,5%
Pesticides
46,4kg/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.