Forêt, étang de Vioreau et étang de la Provostière
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
3 km²
Commune · FRA
Joué-sur-Erdre
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 590
Observations
23 608
Area
55km²
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 Joué-sur-Erdre : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
129
Connectance
0.136
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
2 590 distinct species · 23 608 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,9°C
Annual rain
823mm
Warmest m°
23,4°C
Coldest m°
2,5°C
Elevation: 40 m on average (min 30 m, max 55 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,9°C
Annual rain
823mm
Warmest month
23,4°C
Coldest month
2,5°C
Mean alt.
40m
Min
30m
Max
55m
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
5,8
Org. C
39,7g/kg
Clay
17,8%
Sand
31,3%
Silt
50,9%
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
5,8
Org. C
62,1g/kg
Clay
15,2%
Sand
32,8%
Silt
52,1%
5–15 cm
pH H₂O
5,8
Org. C
26,6g/kg
Clay
18,7%
Sand
30,7%
Silt
50,6%
15–30 cm
pH H₂O
5,8
Org. C
30,3g/kg
Clay
19,5%
Sand
30,5%
Silt
49,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.5%
Crops54.0%
Built-up0.7%
Bare soil0.6%
Other (grassland, water…)28.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
23,7km
Lake surface here
1,61km²
Basins crossed
2
Max stream order
3
Max drainage
1 019km²
Discharge in basins
0,7m³/s
Mean precip.
752mm/an
Mean T°
11,4°C
Moisture idx
-0,09
Max snow
5%
Mean runoff
439mm/an
Mean elev. (basins)
44m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (6, ord ≥ 4)
- Ruisseau Le Pas Chevreuilord 1len here5.59 km84%total7 km
- Ruisseau de la Valléeord 3len here5.54 km96%total6 km
- Ruisseau du Janneauord 1len here4.00 km29%total14 km
- Rigole Alimentaireord 3len here3.82 km31%total12 km
- Le Baillouord 2len here3.02 km100%total3 km
- Ruisseau de la Hazardièreord 1len here1.72 km100%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
68,8%
Pesticides
43,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.