Marais Poitevin
IUCN VRegional Nature Park · 2014
1 986 km²
Commune · FRA
Benon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 119
Observations
12 307
Area
48km²
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 Benon : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 51 interactions GloBI documentées sur 4 types (connectance 10.3%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
32
Interactions affichées
51
Connectance
0.103
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
1 119 distinct species · 12 307 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
840mm
Warmest m°
24,7°C
Coldest m°
3,0°C
Elevation: 24 m on average (min 9 m, max 45 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
840mm
Warmest month
24,7°C
Coldest month
3,0°C
Mean alt.
24m
Min
9m
Max
45m
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
6,8
Org. C
35,1g/kg
Clay
33,8%
Sand
17,6%
Silt
48,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Charente-Maritime
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
55,5g/kg
Clay
32,2%
Sand
17,7%
Silt
50,2%
5–15 cm
pH H₂O
6,9
Org. C
26,7g/kg
Clay
35,0%
Sand
16,0%
Silt
49,1%
15–30 cm
pH H₂O
6,9
Org. C
23,1g/kg
Clay
34,2%
Sand
19,2%
Silt
46,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.0%
Crops49.4%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)17.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
9,9km
Basins crossed
4
Max stream order
2
Max drainage
2 455km²
Discharge in basins
1,2m³/s
Mean precip.
781mm/an
Mean T°
12,4°C
Moisture idx
-0,07
Max snow
4%
Mean runoff
526mm/an
Mean elev. (basins)
23m
Watersheds crossing here
Rivers / streams (3, 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
35,2%
Pesticides
41,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN IV · 1🌊 Marine · 1
marais de la greve-sur-mignon
IUCN IVLand acquired by a regional conservatory of natural areas · 1970
0 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.