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
Saint-Julien-de-Concelles
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 030
Observations
6 754
Area
33,2km²
Ecological tissue
Sample of 41 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 Saint-Julien-de-Concelles : 38 espèces + 3 bulles famille, 67 interactions GloBI documentées sur 2 types (connectance 8.2%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
67
Connectance
0.082
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
1 030 distinct species · 6 754 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,2°C
Annual rain
812mm
Warmest m°
23,8°C
Coldest m°
2,7°C
Elevation: 8 m on average (min 3 m, max 54 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,2°C
Annual rain
812mm
Warmest month
23,8°C
Coldest month
2,7°C
Mean alt.
8m
Min
3m
Max
54m
Std. dev.
5m
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
6,4
Org. C
41,6g/kg
Clay
17,3%
Sand
36,7%
Silt
46,0%
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
6,3
Org. C
72,3g/kg
Clay
16,6%
Sand
37,5%
Silt
45,8%
5–15 cm
pH H₂O
6,4
Org. C
28,9g/kg
Clay
17,9%
Sand
36,8%
Silt
45,4%
15–30 cm
pH H₂O
6,5
Org. C
23,6g/kg
Clay
17,4%
Sand
35,7%
Silt
46,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.4%
Crops24.1%
Built-up6.6%
Bare soil5.2%
Other (grassland, water…)51.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Lake surface here
0,14km²
Basins crossed
1
Max stream order
7
Max drainage
111 742km²
Discharge in basins
15,7m³/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 (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
9,5nW
Built-up
663,8%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 4
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 Goulaine
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
15 km²
Marais de Goulaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
15 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.