Marais Poitevin
IUCN VRegional Nature Park · 2014
1 986 km²
Commune · FRA
Saint-Denis-du-Payré
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 652
Observations
153 648
Area
16,2km²
Ecological tissue
Sample of 30 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-Denis-du-Payré : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 14.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
64
Connectance
0.147
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
2 652 distinct species · 153 648 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,8°C
Annual rain
814mm
Warmest m°
23,6°C
Coldest m°
3,8°C
Elevation: 7 m on average (min 2 m, max 19 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,8°C
Annual rain
814mm
Warmest month
23,6°C
Coldest month
3,8°C
Mean alt.
7m
Min
2m
Max
19m
Std. dev.
6m
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
7,0
Org. C
34,4g/kg
Clay
35,2%
Sand
16,9%
Silt
47,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Vendée
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
57,0g/kg
Clay
33,1%
Sand
16,6%
Silt
50,2%
5–15 cm
pH H₂O
7,0
Org. C
23,2g/kg
Clay
35,7%
Sand
15,3%
Silt
48,9%
15–30 cm
pH H₂O
7,0
Org. C
23,0g/kg
Clay
36,7%
Sand
18,7%
Silt
44,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops59.5%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)31.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,6km
Lake surface here
0,22km²
Basins crossed
2
Max stream order
4
Max drainage
1 999km²
Discharge in basins
0,2m³/s
Mean precip.
771mm/an
Mean T°
12,2°C
Moisture idx
-0,05
Max snow
4%
Mean runoff
524mm/an
Mean elev. (basins)
43m
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
0hab/km²
Built-up
47,7%
Pesticides
41,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 2IUCN IV · 2IUCN V · 1IUCN III · 1🌊 Marine · 4
Marais poitevin
IUCN IIIWetland of International Importance (Ramsar Site) · 2023
690 km²
Marais poitevin
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
682 km²
Marais Poitevin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
479 km²
Marais Communal De Saint-Denis-Du-Payré
IUCN IVNational Nature Reserve · 1976
2 km²
Ferme De Choisy
IUCN IVRegional Nature Reserve · 2012
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.