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
Ancenis
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 640
Observations
16 580
Area
21,1km²
Ecological tissue
Sample of 32 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 Ancenis : 30 espèces + 2 bulles famille, 66 interactions GloBI documentées sur 2 types (connectance 13.3%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
32
Interactions affichées
66
Connectance
0.133
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 640 distinct species · 16 580 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
764mm
Warmest m°
23,9°C
Coldest m°
2,5°C
Elevation: 19 m on average (min 6 m, max 38 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
764mm
Warmest month
23,9°C
Coldest month
2,5°C
Mean alt.
19m
Min
6m
Max
38m
Std. dev.
7m
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
31,9g/kg
Clay
18,2%
Sand
34,7%
Silt
47,1%
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
6,1
Org. C
51,5g/kg
Clay
16,7%
Sand
35,5%
Silt
47,7%
5–15 cm
pH H₂O
6,3
Org. C
23,6g/kg
Clay
18,7%
Sand
34,2%
Silt
47,1%
15–30 cm
pH H₂O
6,3
Org. C
20,8g/kg
Clay
19,1%
Sand
34,5%
Silt
46,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.1%
Crops31.1%
Built-up6.0%
Bare soil1.4%
Other (grassland, water…)49.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
14,1km
Lake surface here
0,67km²
Basins crossed
1
Max stream order
7
Max drainage
111 742km²
Discharge in basins
9,9m³/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
Lakes (1, top by area)
Rivers / streams (9, ord ≥ 4)
- La Loireord 7len here6.40 km1%total974 km
- Ruisseau de l'Aubinièreord 1len here3.69 km73%total5 km
- Ruisseau de Gréeord 2len here1.84 km38%total5 km
- Ruisseau d'Omblepiedord 7len here0.86 km20%total4 km
- Ruisseau du Bernardeauord 1len here0.52 km35%total1 km
- Ruisseau des Robinetsord 2len here0.47 km5%total10 km
- Boire des Filièresord 1len here0.21 km3%total7 km
- Ruisseau de la Motteord 1len here0.08 km1%total14 km
- Ruisseau de Saugèresord 1len here0.03 km0%total9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
5,5nW
Built-up
597,3%
Pesticides
43,6kg/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
Combles Et Clocher De L\'Église Saint- Pierre À Ancenis
IUCN IVBiotope Protection Order · 2013
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.