Lac de Grand-Lieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
63 km²
Commune · FRA
Bouaye
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 293
Observations
30 509
Area
13,9km²
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 Bouaye : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 6 types (connectance 21.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
104
Connectance
0.210
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 293 distinct species · 30 509 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,2°C
Annual rain
853mm
Warmest m°
23,4°C
Coldest m°
3,0°C
Elevation: 19 m on average (min 1 m, max 32 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,2°C
Annual rain
853mm
Warmest month
23,4°C
Coldest month
3,0°C
Mean alt.
19m
Min
1m
Max
32m
Std. dev.
8m
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
6,0
Org. C
31,6g/kg
Clay
18,1%
Sand
41,9%
Silt
40,0%
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
6,0
Org. C
53,0g/kg
Clay
18,6%
Sand
42,1%
Silt
39,3%
5–15 cm
pH H₂O
6,0
Org. C
21,6g/kg
Clay
17,6%
Sand
42,3%
Silt
40,2%
15–30 cm
pH H₂O
6,0
Org. C
20,1g/kg
Clay
18,1%
Sand
41,3%
Silt
40,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.3%
Crops22.3%
Built-up5.5%
Bare soil0.8%
Other (grassland, water…)50.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
115 298km²
Discharge in basins
9,9m³/s
Mean precip.
797mm/an
Mean T°
11,7°C
Moisture idx
-0,02
Max snow
5%
Mean runoff
529mm/an
Mean elev. (basins)
31m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
2,1nW
Built-up
549,1%
Pesticides
44,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN IV · 4IUCN Not Reported · 3
Lac de Grand-Lieu
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1995
62 km²
Lac de Grand Lieu
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
57 km²
Lac de grand lieu
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2007
28 km²
Lac De Grand-Lieu
IUCN IVNational Nature Reserve · 1980
27 km²
Lac De Grand-Lieu
IUCN IVRegional Nature Reserve · 2008
7 km²
Complete list7 protected areas
- Lac de Grand-LieuSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201563 km²
- Lac de Grand-LieuWetland of International Importance (Ramsar Site)IUCN Not Reported199562 km²
- Lac de Grand LieuSpecial Protection Area (Birds Directive)IUCN Not Reported201957 km²
- Lac de grand lieuLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV200728 km²
- Lac De Grand-LieuNational Nature ReserveIUCN IV198027 km²
- Lac De Grand-LieuRegional Nature ReserveIUCN IV20087 km²
- Rives nord du lac de grand lieuLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20051 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.