Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
218 km²
Commune · FRA
Saint-Léger-les-Vignes
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 283
Observations
29 380
Area
6,9km²
Ecological tissue
Sample of 35 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-Léger-les-Vignes : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 6 types (connectance 17.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
112
Connectance
0.178
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 283 distinct species · 29 380 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,3°C
Annual rain
837mm
Warmest m°
23,4°C
Coldest m°
3,0°C
Elevation: 16 m on average (min 3 m, max 24 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,3°C
Annual rain
837mm
Warmest month
23,4°C
Coldest month
3,0°C
Mean alt.
16m
Min
3m
Max
24m
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
6,0
Org. C
35,5g/kg
Clay
19,2%
Sand
37,7%
Silt
43,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Loire-Atlantique
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
56,9g/kg
Clay
19,2%
Sand
37,8%
Silt
42,9%
5–15 cm
pH H₂O
6,0
Org. C
24,7g/kg
Clay
18,8%
Sand
37,5%
Silt
43,7%
15–30 cm
pH H₂O
6,0
Org. C
24,8g/kg
Clay
19,6%
Sand
37,8%
Silt
42,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.4%
Crops31.5%
Built-up3.2%
Bare soil1.0%
Other (grassland, water…)40.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
1,7km
Basins crossed
1
Max stream order
4
Max drainage
1 269km²
Discharge in basins
0,1m³/s
Mean precip.
797mm/an
Mean T°
11,7°C
Moisture idx
-0,02
Max snow
4%
Mean runoff
531mm/an
Mean elev. (basins)
33m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,1nW
Built-up
316,5%
Pesticides
44,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN Not Reported · 5IUCN IV · 2🌊 Marine · 2
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
202 km²
Lac de Grand-Lieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
63 km²
Lac de Grand-Lieu
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1995
62 km²
Lac de Grand Lieu
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
57 km²
Lac de grand lieu
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2007
28 km²
Complete list7 protected areas
- Estuaire de la LoireSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2014218 km²
- Estuaire de la LoireSpecial Protection Area (Birds Directive)IUCN Not Reported2018202 km²
- Lac de Grand-LieuSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201563 km²
- Lac de Grand-LieuWetland of International Importance (Ramsar Site)IUCN Not Reported199562 km²
- Lac de Grand LieuSpecial Protection Area (Birds Directive)IUCN Not Reported201957 km²
- Lac de grand lieuLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV200728 km²
- Rives nord du lac de grand lieuLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20051 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.