Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
218 km²
Commune · FRA
Couëron
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 595
Observations
44 555
Area
48,8km²
Ecological tissue
Sample of 34 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 Couëron : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 6 types (connectance 19.0%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
113
Connectance
0.190
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
2 595 distinct species · 44 555 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,2°C
Annual rain
836mm
Warmest m°
23,2°C
Coldest m°
3,0°C
Elevation: 23 m on average (min 1 m, max 72 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,2°C
Annual rain
836mm
Warmest month
23,2°C
Coldest month
3,0°C
Mean alt.
23m
Min
1m
Max
72m
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
6,2
Org. C
42,1g/kg
Clay
20,0%
Sand
37,3%
Silt
42,7%
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
6,2
Org. C
63,9g/kg
Clay
19,3%
Sand
38,0%
Silt
42,7%
5–15 cm
pH H₂O
6,2
Org. C
33,8g/kg
Clay
20,2%
Sand
36,7%
Silt
43,0%
15–30 cm
pH H₂O
6,2
Org. C
28,7g/kg
Clay
20,4%
Sand
37,3%
Silt
42,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.9%
Crops33.2%
Built-up3.9%
Bare soil0.6%
Other (grassland, water…)47.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
12,6km
Lake surface here
0,19km²
Basins crossed
2
Max stream order
7
Max drainage
115 298km²
Discharge in basins
226,4m³/s
Mean precip.
790mm/an
Mean T°
11,6°C
Moisture idx
-0,04
Max snow
5%
Mean runoff
505mm/an
Mean elev. (basins)
22m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
3,0nW
Built-up
387,8%
Pesticides
45,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 2IUCN IV · 2🌊 Marine · 4
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
202 km²
Estuaire de la loire
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1999
28 km²
Stations D\'Angélique Des Estuaires Des Berges De La Loire
IUCN IVBiotope Protection Order · 2002
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.