Boucles De La Seine Normande
IUCN VRegional Nature Park · 1974
905 km²
Commune · FRA
Notre-Dame-de-Gravenchon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 667
Observations
27 076
Area
18,9km²
Ecological tissue
Sample of 39 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 Notre-Dame-de-Gravenchon : 33 espèces + 6 bulles famille, 81 interactions GloBI documentées sur 5 types (connectance 10.9%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
39
Interactions affichées
81
Connectance
0.109
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
1 667 distinct species · 27 076 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
902mm
Warmest m°
21,9°C
Coldest m°
1,8°C
Elevation: 47 m on average (min 4 m, max 130 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
902mm
Warmest month
21,9°C
Coldest month
1,8°C
Mean alt.
47m
Min
4m
Max
130m
Std. dev.
41m
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
6,2
Org. C
39,1g/kg
Clay
21,5%
Sand
17,2%
Silt
61,2%
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
6,1
Org. C
62,4g/kg
Clay
20,5%
Sand
17,2%
Silt
62,3%
5–15 cm
pH H₂O
6,2
Org. C
30,3g/kg
Clay
21,6%
Sand
16,4%
Silt
61,9%
15–30 cm
pH H₂O
6,2
Org. C
24,7g/kg
Clay
22,5%
Sand
18,0%
Silt
59,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.6%
Crops25.6%
Built-up8.8%
Bare soil0.4%
Other (grassland, water…)51.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
7,8km
Basins crossed
1
Max stream order
6
Max drainage
73 249km²
Discharge in basins
5,4m³/s
Mean precip.
698mm/an
Mean T°
10,3°C
Moisture idx
-0,10
Max snow
8%
Mean runoff
569mm/an
Mean elev. (basins)
101m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
18,4nW
Built-up
879,5%
Pesticides
48,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1🌊 Marine · 2
Marais Vernier et Vallée de la Risle maritime
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2015
96 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.