Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
109 km²
Commune · FRA
Saint-Perreux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 370
Observations
16 418
Area
5,9km²
Ecological tissue
Sample of 31 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 Saint-Perreux : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 109 interactions GloBI sur 6 types (connectance 22.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
109
Connectance
0.220
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
1 370 distinct species · 16 418 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,9°C
Annual rain
843mm
Warmest m°
23,0°C
Coldest m°
2,8°C
Elevation: 16 m on average (min 4 m, max 30 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,9°C
Annual rain
843mm
Warmest month
23,0°C
Coldest month
2,8°C
Mean alt.
16m
Min
4m
Max
30m
Std. dev.
6m
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
5,8
Org. C
38,3g/kg
Clay
20,5%
Sand
26,6%
Silt
53,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Morbihan
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
60,5g/kg
Clay
18,4%
Sand
27,7%
Silt
54,0%
5–15 cm
pH H₂O
5,9
Org. C
34,3g/kg
Clay
21,2%
Sand
25,9%
Silt
53,0%
15–30 cm
pH H₂O
5,8
Org. C
20,3g/kg
Clay
21,9%
Sand
26,2%
Silt
52,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.9%
Crops33.2%
Built-up1.6%
Bare soil0.3%
Other (grassland, water…)36.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Basins crossed
1
Max stream order
3
Max drainage
3 598km²
Discharge in basins
1,1m³/s
Mean precip.
818mm/an
Mean T°
11,3°C
Moisture idx
0,07
Max snow
7%
Mean runoff
566mm/an
Mean elev. (basins)
70m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
160,5%
Pesticides
44,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 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.