Marais Poitevin
IUCN VRegional Nature Park · 2014
1 986 km²
Commune · FRA
La Ronde
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
604
Observations
2 895
Area
20,8km²
Ecological tissue
Sample of 47 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 La Ronde : 42 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 91 interactions GloBI documentées sur 5 types (connectance 8.4%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
47
Interactions affichées
91
Connectance
0.084
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
604 distinct species · 2 895 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,8°C
Annual rain
813mm
Warmest m°
24,7°C
Coldest m°
3,1°C
Elevation: 2 m on average (min 2 m, max 4 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,8°C
Annual rain
813mm
Warmest month
24,7°C
Coldest month
3,1°C
Mean alt.
2m
Min
2m
Max
4m
Std. dev.
1m
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
7,1
Org. C
36,1g/kg
Clay
39,1%
Sand
15,3%
Silt
45,6%
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
7,0
Org. C
55,5g/kg
Clay
38,0%
Sand
15,1%
Silt
46,9%
5–15 cm
pH H₂O
7,2
Org. C
25,5g/kg
Clay
40,3%
Sand
13,6%
Silt
46,0%
15–30 cm
pH H₂O
7,2
Org. C
27,4g/kg
Clay
39,0%
Sand
17,2%
Silt
43,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.8%
Crops58.9%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)31.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,4km
Basins crossed
4
Max stream order
3
Max drainage
2 455km²
Discharge in basins
5,9m³/s
Mean precip.
778mm/an
Mean T°
12,4°C
Moisture idx
-0,09
Max snow
4%
Mean runoff
524mm/an
Mean elev. (basins)
17m
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
Built-up
72,8%
Pesticides
41,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN Not Reported · 3IUCN IV · 2IUCN V · 1IUCN III · 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
marais de saint-hilaire-la-palud - arcais
IUCN IVLand acquired by a regional conservatory of natural areas · 1970
1 km²
Complete list7 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
- marais de saint-hilaire-la-palud - arcaisLand acquired by a regional conservatory of natural areasIUCN IV19701 km²
- marais du passage de la rondeLand acquired by a regional conservatory of natural areasIUCN IV19701 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.