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
Carquefou
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 367
Observations
19 504
Area
43,2km²
Ecological tissue
Sample of 44 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 Carquefou : 40 espèces + 4 bulles famille, 119 interactions GloBI documentées sur 5 types (connectance 12.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
44
Interactions affichées
119
Connectance
0.126
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
1 367 distinct species · 19 504 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,0°C
Annual rain
824mm
Warmest m°
23,6°C
Coldest m°
2,7°C
Elevation: 29 m on average (min 8 m, max 66 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,0°C
Annual rain
824mm
Warmest month
23,6°C
Coldest month
2,7°C
Mean alt.
29m
Min
8m
Max
66m
Std. dev.
16m
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
5,9
Org. C
46,2g/kg
Clay
17,1%
Sand
37,4%
Silt
45,5%
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
72,6g/kg
Clay
16,3%
Sand
38,4%
Silt
45,3%
5–15 cm
pH H₂O
5,9
Org. C
37,3g/kg
Clay
17,2%
Sand
37,3%
Silt
45,6%
15–30 cm
pH H₂O
5,9
Org. C
28,6g/kg
Clay
17,7%
Sand
36,6%
Silt
45,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.7%
Crops30.7%
Built-up5.8%
Bare soil1.0%
Other (grassland, water…)45.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
9,0km
Lake surface here
0,72km²
Basins crossed
2
Max stream order
3
Max drainage
111 742km²
Discharge in basins
6,1m³/s
Mean precip.
744mm/an
Mean T°
11,4°C
Moisture idx
-0,10
Max snow
5%
Mean runoff
421mm/an
Mean elev. (basins)
49m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
5,1nW
Built-up
582,1%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 4IUCN IV · 2
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
157 km²
Marais de l'Erdre
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
28 km²
Marais de l'Erdre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
26 km²
Tourbière De Logné
IUCN IVBiotope Protection Order · 1987
1 km²
Tourbière De Logné
IUCN IVRegional Nature Reserve · 2011
1 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.