Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
165 km²
Commune · FRA
Varades
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 830
Observations
48 450
Area
44,9km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
2 830 distinct species · 48 450 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
743mm
Warmest m°
23,9°C
Coldest m°
2,4°C
Elevation: 37 m on average (min 8 m, max 69 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
743mm
Warmest month
23,9°C
Coldest month
2,4°C
Mean alt.
37m
Min
8m
Max
69m
Std. dev.
22m
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
28,5g/kg
Clay
19,0%
Sand
34,3%
Silt
46,7%
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
6,1
Org. C
45,7g/kg
Clay
16,9%
Sand
35,3%
Silt
47,8%
5–15 cm
pH H₂O
6,2
Org. C
19,9g/kg
Clay
19,5%
Sand
33,6%
Silt
46,9%
15–30 cm
pH H₂O
6,2
Org. C
19,9g/kg
Clay
20,7%
Sand
34,0%
Silt
45,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.6%
Crops58.7%
Built-up1.2%
Bare soil1.5%
Other (grassland, water…)29.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
10,3km
Basins crossed
1
Max stream order
7
Max drainage
111 742km²
Discharge in basins
21,2m³/s
Mean precip.
725mm/an
Mean T°
11,4°C
Moisture idx
-0,14
Max snow
4%
Mean runoff
380mm/an
Mean elev. (basins)
63m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
122,1%
Pesticides
43,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
157 km²
Grèves De Loire De Vair-Sur-Loire À Mauges-Sur-Loire
IUCN IVBiotope Protection Order · 2016
5 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.