Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
109 km²
Commune · FRA
La Gacilly
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 362
Observations
16 530
Area
16,1km²
Ecological tissue
Sample of 29 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 La Gacilly : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 23.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
96
Connectance
0.236
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
1 362 distinct species · 16 530 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,7°C
Annual rain
872mm
Warmest m°
22,9°C
Coldest m°
2,5°C
Elevation: 45 m on average (min 14 m, max 89 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,7°C
Annual rain
872mm
Warmest month
22,9°C
Coldest month
2,5°C
Mean alt.
45m
Min
14m
Max
89m
Std. dev.
21m
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
6,0
Org. C
36,7g/kg
Clay
22,3%
Sand
24,8%
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
5,9
Org. C
56,0g/kg
Clay
20,3%
Sand
25,7%
Silt
54,0%
5–15 cm
pH H₂O
6,0
Org. C
29,8g/kg
Clay
22,4%
Sand
24,3%
Silt
53,4%
15–30 cm
pH H₂O
6,0
Org. C
24,4g/kg
Clay
24,1%
Sand
24,3%
Silt
51,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.4%
Crops28.5%
Built-up2.1%
Bare soil0.3%
Other (grassland, water…)31.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,5km
Basins crossed
1
Max stream order
4
Max drainage
737km²
Discharge in basins
0,3m³/s
Mean precip.
771mm/an
Mean T°
11,1°C
Moisture idx
0,00
Max snow
7%
Mean runoff
526mm/an
Mean elev. (basins)
77m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,6nW
Built-up
209,7%
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.