Brière
IUCN VRegional Nature Park · 1970
566 km²
Commune · FRA
Prinquiau
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
547
Observations
2 495
Area
22,7km²
Ecological tissue
Sample of 40 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 Prinquiau : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 6 types (connectance 12.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
99
Connectance
0.127
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
547 distinct species · 2 495 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,2°C
Annual rain
827mm
Warmest m°
23,0°C
Coldest m°
3,1°C
Elevation: 19 m on average (min 1 m, max 66 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,2°C
Annual rain
827mm
Warmest month
23,0°C
Coldest month
3,1°C
Mean alt.
19m
Min
1m
Max
66m
Std. dev.
20m
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
44,6g/kg
Clay
20,0%
Sand
34,4%
Silt
45,6%
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
73,9g/kg
Clay
19,5%
Sand
34,3%
Silt
46,2%
5–15 cm
pH H₂O
5,9
Org. C
36,3g/kg
Clay
20,3%
Sand
33,1%
Silt
46,6%
15–30 cm
pH H₂O
5,9
Org. C
23,5g/kg
Clay
20,1%
Sand
35,8%
Silt
44,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.1%
Crops40.4%
Built-up1.8%
Bare soil0.5%
Other (grassland, water…)39.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,1km
Basins crossed
1
Max stream order
3
Max drainage
1 138km²
Discharge in basins
0,0m³/s
Mean precip.
814mm/an
Mean T°
11,7°C
Moisture idx
0,04
Max snow
5%
Mean runoff
527mm/an
Mean elev. (basins)
16m
Watersheds crossing here
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
0,9nW
Built-up
178,9%
Pesticides
44,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 5IUCN V · 1🌊 Marine · 3
Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
218 km²
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
202 km²
Grande Brière, marais de Donges et du Brivet
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
198 km²
Grande Briere
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1995
174 km²
Grande Brière et marais de Donges
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
167 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.