Estuaire et marais de la Basse Seine
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2002
186 km²
Commune · FRA
Oudalle
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 877
Observations
64 098
Area
11km²
Ecological tissue
Sample of 33 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 Oudalle : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 6 types (connectance 17.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
90
Connectance
0.171
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
1 877 distinct species · 64 098 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
893mm
Warmest m°
20,7°C
Coldest m°
3,0°C
Elevation: 33 m on average (min -5 m, max 96 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
893mm
Warmest month
20,7°C
Coldest month
3,0°C
Mean alt.
33m
Min
-5m
Max
96m
Std. dev.
37m
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
6,3
Org. C
27,2g/kg
Clay
19,4%
Sand
18,2%
Silt
62,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Seine-Maritime
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
44,3g/kg
Clay
19,8%
Sand
18,1%
Silt
62,2%
5–15 cm
pH H₂O
6,3
Org. C
21,6g/kg
Clay
19,8%
Sand
17,7%
Silt
62,5%
15–30 cm
pH H₂O
6,3
Org. C
15,6g/kg
Clay
18,6%
Sand
18,9%
Silt
62,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.9%
Crops31.3%
Built-up4.2%
Bare soil1.1%
Other (grassland, water…)44.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,0km
Lake surface here
0,38km²
Basins crossed
2
Max stream order
2
Max drainage
318km²
Discharge in basins
0,2m³/s
Mean precip.
711mm/an
Mean T°
10,3°C
Moisture idx
-0,06
Max snow
9%
Mean runoff
621mm/an
Mean elev. (basins)
71m
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
Night light
16,1nW
Built-up
424,4%
Pesticides
47,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 4IUCN IV · 1🌊 Marine · 5
Estuaire de la Seine
IUCN Not ReportedMarine Protected Area (OSPAR) · 2007
120 km²
Estuaire de la Seine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
113 km²
Estuaire De La Seine
IUCN IVNational Nature Reserve · 1997
85 km²
Estuaire de la Seine
IUCN Not ReportedMarine Protected Area (OSPAR) · 2012
85 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.