marais de nieul
IUCN IVLand acquired by a regional conservatory of natural areas · 2011
0 km²
Commune · FRA
Nieul
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 952
Observations
40 729
Area
17,4km²
Ecological tissue
Sample of 36 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 Nieul : 22 espèces reliées par 116 interactions GloBI sur 6 types (connectance 16.5%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
116
Connectance
0.165
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 952 distinct species · 40 729 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,1°C
Annual rain
1 176mm
Warmest m°
23,5°C
Coldest m°
1,2°C
Elevation: 343 m on average (min 299 m, max 407 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,1°C
Annual rain
1 176mm
Warmest month
23,5°C
Coldest month
1,2°C
Mean alt.
343m
Min
299m
Max
407m
Std. dev.
30m
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
5,5
Org. C
46,5g/kg
Clay
20,2%
Sand
47,1%
Silt
32,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Haute-Vienne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
85,5g/kg
Clay
21,5%
Sand
47,1%
Silt
31,5%
5–15 cm
pH H₂O
5,5
Org. C
34,8g/kg
Clay
19,5%
Sand
48,7%
Silt
31,8%
15–30 cm
pH H₂O
5,5
Org. C
19,2g/kg
Clay
19,5%
Sand
45,5%
Silt
35,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest36.6%
Crops30.3%
Built-up0.9%
Bare soil0.4%
Other (grassland, water…)31.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
7,1km
Basins crossed
1
Max stream order
2
Max drainage
308km²
Discharge in basins
0,2m³/s
Mean precip.
1 003mm/an
Mean T°
10,9°C
Moisture idx
0,08
Max snow
4%
Mean runoff
359mm/an
Mean elev. (basins)
312m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
89,6%
Pesticides
31,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
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.