Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
109 km²
Commune · FRA
Glénac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 020
Observations
5 203
Area
13,5km²
Ecological tissue
Sample of 40 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 Glénac : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 6 types (connectance 12.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
97
Connectance
0.124
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
1 020 distinct species · 5 203 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
862mm
Warmest m°
22,9°C
Coldest m°
2,6°C
Elevation: 34 m on average (min 11 m, max 62 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
862mm
Warmest month
22,9°C
Coldest month
2,6°C
Mean alt.
34m
Min
11m
Max
62m
Std. dev.
18m
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
42,2g/kg
Clay
19,9%
Sand
27,8%
Silt
52,3%
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
64,8g/kg
Clay
18,2%
Sand
28,9%
Silt
52,8%
5–15 cm
pH H₂O
5,8
Org. C
36,9g/kg
Clay
20,0%
Sand
27,2%
Silt
52,8%
15–30 cm
pH H₂O
5,8
Org. C
25,1g/kg
Clay
21,4%
Sand
27,3%
Silt
51,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.8%
Crops40.7%
Built-up0.8%
Bare soil0.4%
Other (grassland, water…)27.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
2,7km
Lake surface here
0,07km²
Basins crossed
3
Max stream order
5
Max drainage
3 598km²
Discharge in basins
4,4m³/s
Mean precip.
777mm/an
Mean T°
11,2°C
Moisture idx
0,00
Max snow
7%
Mean runoff
533mm/an
Mean elev. (basins)
60m
Watersheds crossing here
Lakes (1, top by area)
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
0,1nW
Built-up
82,8%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 1
Le Haut Sourdréac
IUCN IVBiotope Protection Order · 1992
0 km²
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.