Grande Brière, marais de Donges et du Brivet
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
198 km²
Commune · FRA
Quilly
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 326
Observations
8 530
Area
17,5km²
Ecological tissue
Sample of 37 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 Quilly : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 115 interactions GloBI sur 6 types (connectance 17.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
115
Connectance
0.173
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
1 326 distinct species · 8 530 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
829mm
Warmest m°
23,3°C
Coldest m°
2,8°C
Elevation: 16 m on average (min 4 m, max 30 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
829mm
Warmest month
23,3°C
Coldest month
2,8°C
Mean alt.
16m
Min
4m
Max
30m
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
5,9
Org. C
43,3g/kg
Clay
21,2%
Sand
28,8%
Silt
50,0%
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
5,9
Org. C
62,2g/kg
Clay
20,1%
Sand
29,4%
Silt
50,4%
5–15 cm
pH H₂O
5,9
Org. C
37,7g/kg
Clay
22,2%
Sand
27,7%
Silt
50,1%
15–30 cm
pH H₂O
6,0
Org. C
29,9g/kg
Clay
21,4%
Sand
29,2%
Silt
49,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.5%
Crops47.3%
Built-up0.9%
Bare soil0.6%
Other (grassland, water…)36.7%
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
1 138km²
Discharge in basins
0,0m³/s
Mean precip.
813mm/an
Mean T°
11,7°C
Moisture idx
0,04
Max snow
5%
Mean runoff
526mm/an
Mean elev. (basins)
16m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
87,7%
Pesticides
43,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Sites abritant le Pleucedan officinal, plante hôte de la Noctuelle des Peucedan
IUCN IVBiotope Protection Order · 2020
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.