Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
109 km²
Commune · FRA
Rieux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 792
Observations
22 349
Area
27,7km²
Ecological tissue
Sample of 36 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 Rieux : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 5 types (connectance 17.6%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
124
Connectance
0.176
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
1 792 distinct species · 22 349 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
878mm
Warmest m°
22,8°C
Coldest m°
3,0°C
Elevation: 24 m on average (min 2 m, max 68 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
878mm
Warmest month
22,8°C
Coldest month
3,0°C
Mean alt.
24m
Min
2m
Max
68m
Std. dev.
19m
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
41,5g/kg
Clay
19,9%
Sand
29,8%
Silt
50,3%
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
5,7
Org. C
66,9g/kg
Clay
18,7%
Sand
30,8%
Silt
50,6%
5–15 cm
pH H₂O
5,8
Org. C
35,2g/kg
Clay
20,6%
Sand
28,7%
Silt
50,7%
15–30 cm
pH H₂O
5,8
Org. C
22,5g/kg
Clay
20,4%
Sand
30,0%
Silt
49,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.4%
Crops42.5%
Built-up1.3%
Bare soil0.7%
Other (grassland, water…)40.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
10,0km
Basins crossed
4
Max stream order
6
Max drainage
10 459km²
Discharge in basins
30,6m³/s
Mean precip.
796mm/an
Mean T°
11,4°C
Moisture idx
0,02
Max snow
7%
Mean runoff
532mm/an
Mean elev. (basins)
39m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,3nW
Built-up
127,6%
Pesticides
44,4kg/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.