Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
218 km²
Commune · FRA
Cordemais
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
866
Observations
6 883
Area
37,3km²
Ecological tissue
Sample of 42 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 Cordemais : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 86 interactions GloBI documentées sur 4 types (connectance 10.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
42
Interactions affichées
86
Connectance
0.100
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
866 distinct species · 6 883 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
830mm
Warmest m°
23,1°C
Coldest m°
3,0°C
Elevation: 32 m on average (min 0 m, max 85 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
830mm
Warmest month
23,1°C
Coldest month
3,0°C
Mean alt.
32m
Min
0m
Max
85m
Std. dev.
32m
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
41,9g/kg
Clay
19,6%
Sand
37,0%
Silt
43,3%
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
6,0
Org. C
68,2g/kg
Clay
19,4%
Sand
37,2%
Silt
43,4%
5–15 cm
pH H₂O
6,0
Org. C
34,7g/kg
Clay
19,8%
Sand
36,3%
Silt
43,9%
15–30 cm
pH H₂O
6,0
Org. C
22,8g/kg
Clay
19,8%
Sand
37,5%
Silt
42,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.5%
Crops38.5%
Built-up1.9%
Bare soil0.5%
Other (grassland, water…)44.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
12,5km
Basins crossed
4
Max stream order
7
Max drainage
116 723km²
Discharge in basins
241,5m³/s
Mean precip.
801mm/an
Mean T°
11,6°C
Moisture idx
-0,00
Max snow
6%
Mean runoff
514mm/an
Mean elev. (basins)
27m
Watersheds crossing here
Rivers / streams (6, ord ≥ 4)
- Étier du Portord 2len here4.71 km61%total8 km
- La Loireord 7len here4.04 km0%total974 km
- Bras de Cordemaisord 7len here2.09 km28%total8 km
- Étier de Vairord 7len here1.13 km20%total6 km
- Canal Maritime de la Basse Loireord 4len here0.39 km7%total6 km
- Canal du Marais de la Rocheord 1len here0.12 km6%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,6nW
Built-up
188,6%
Pesticides
44,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 2IUCN IV · 2🌊 Marine · 3
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
Combles Et Clocher De L\'Église Saint Jean-Baptiste À Cordemais
IUCN IVBiotope Protection Order · 2012
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.