Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
109 km²
Commune · FRA
Redon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 999
Observations
33 816
Area
15,4km²
Ecological tissue
Sample of 25 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 Redon : 15 espèces reliées par 94 interactions GloBI sur 6 types (connectance 28.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
94
Connectance
0.289
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 999 distinct species · 33 816 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,9°C
Annual rain
841mm
Warmest m°
23,1°C
Coldest m°
2,8°C
Elevation: 20 m on average (min 2 m, max 32 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,9°C
Annual rain
841mm
Warmest month
23,1°C
Coldest month
2,8°C
Mean alt.
20m
Min
2m
Max
32m
Std. dev.
9m
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
5,7
Org. C
43,2g/kg
Clay
21,5%
Sand
27,0%
Silt
51,6%
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
5,7
Org. C
67,1g/kg
Clay
20,0%
Sand
28,3%
Silt
51,8%
5–15 cm
pH H₂O
5,8
Org. C
39,0g/kg
Clay
22,4%
Sand
26,2%
Silt
51,4%
15–30 cm
pH H₂O
5,8
Org. C
23,5g/kg
Clay
22,0%
Sand
26,4%
Silt
51,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.0%
Crops21.6%
Built-up6.4%
Bare soil0.4%
Other (grassland, water…)51.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
8,0km
Basins crossed
2
Max stream order
5
Max drainage
5 676km²
Discharge in basins
1,6m³/s
Mean precip.
778mm/an
Mean T°
11,2°C
Moisture idx
-0,02
Max snow
7%
Mean runoff
511mm/an
Mean elev. (basins)
64m
Watersheds crossing here
Rivers / streams (6, ord ≥ 4)
- L'Oustord 5len here2.14 km3%total76 km
- La Vilaineord 6len here1.80 km1%total223 km
- Canal de Nantes à Brestord 3len here1.65 km7%total25 km
- La Vilaine (Bras Mort de Renac)ord 5len here1.63 km11%total14 km
- Canal de Nantes à Brest - L'Oust Canaliséord 5len here0.42 km1%total68 km
- L'Arzord 3len here0.33 km1%total53 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
4,7nW
Built-up
641,2%
Pesticides
43,9kg/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.