Marais Poitevin
IUCN VRegional Nature Park · 2014
1 986 km²
Commune · FRA
Saint-Pompain
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
651
Observations
2 416
Area
24,7km²
Ecological tissue
Sample of 38 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-Pompain : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 109 interactions GloBI sur 6 types (connectance 15.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
109
Connectance
0.155
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
651 distinct species · 2 416 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,4°C
Annual rain
905mm
Warmest m°
24,5°C
Coldest m°
2,6°C
Elevation: 48 m on average (min 26 m, max 58 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,4°C
Annual rain
905mm
Warmest month
24,5°C
Coldest month
2,6°C
Mean alt.
48m
Min
26m
Max
58m
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
7,2
Org. C
31,4g/kg
Clay
28,3%
Sand
19,4%
Silt
52,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Deux-Sèvres
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
51,6g/kg
Clay
26,7%
Sand
19,5%
Silt
53,7%
5–15 cm
pH H₂O
7,3
Org. C
24,9g/kg
Clay
29,4%
Sand
17,4%
Silt
53,2%
15–30 cm
pH H₂O
7,3
Org. C
17,8g/kg
Clay
28,7%
Sand
21,3%
Silt
50,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.4%
Crops76.9%
Built-up0.7%
Bare soil0.5%
Other (grassland, water…)16.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,9km
Basins crossed
1
Max stream order
3
Max drainage
423km²
Discharge in basins
0,4m³/s
Mean precip.
782mm/an
Mean T°
11,8°C
Moisture idx
-0,08
Max snow
3%
Mean runoff
483mm/an
Mean elev. (basins)
82m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
72,1%
Pesticides
43,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN Not Reported · 5IUCN V · 1IUCN III · 1IUCN IV · 1🌊 Marine · 5
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 Poitevin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
203 km²
Plaine de Niort Nord-Ouest
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
171 km²
Complete list8 protected areas
- Marais PoitevinRegional Nature ParkIUCN V20141 986 km²
- Marais poitevinWetland of International Importance (Ramsar Site)IUCN III2023690 km²
- Marais poitevinSpecial Protection Area (Birds Directive)IUCN Not Reported2019682 km²
- Marais PoitevinSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2014479 km²
- Marais PoitevinSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2007203 km²
- Plaine de Niort Nord-OuestSpecial Protection Area (Birds Directive)IUCN Not Reported2019171 km²
- Vallée de l AutizeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20152 km²
- vallees de la sevre niortaise amontLand acquired by a regional conservatory of natural areasIUCN IV20010 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.