Boucles De La Seine Normande
IUCN VRegional Nature Park · 1974
905 km²
Commune · FRA
Saint-Samson-de-la-Roque
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 451
Observations
21 539
Area
18km²
Ecological tissue
Sample of 41 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 Saint-Samson-de-la-Roque : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 6 types (connectance 10.7%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
101
Connectance
0.107
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
1 451 distinct species · 21 539 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,1°C
Annual rain
839mm
Warmest m°
21,7°C
Coldest m°
2,2°C
Elevation: 31 m on average (min -0 m, max 103 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,1°C
Annual rain
839mm
Warmest month
21,7°C
Coldest month
2,2°C
Mean alt.
31m
Min
-0m
Max
103m
Std. dev.
31m
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
6,1
Org. C
40,4g/kg
Clay
24,3%
Sand
19,8%
Silt
55,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Eure
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
61,4g/kg
Clay
22,8%
Sand
20,1%
Silt
57,1%
5–15 cm
pH H₂O
6,2
Org. C
35,1g/kg
Clay
25,5%
Sand
18,4%
Silt
56,2%
15–30 cm
pH H₂O
6,2
Org. C
24,6g/kg
Clay
24,6%
Sand
20,9%
Silt
54,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.7%
Crops45.9%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)34.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
5,2km
Basins crossed
4
Max stream order
4
Max drainage
2 302km²
Discharge in basins
0,3m³/s
Mean precip.
694mm/an
Mean T°
10,2°C
Moisture idx
-0,11
Max snow
9%
Mean runoff
545mm/an
Mean elev. (basins)
117m
Watersheds crossing here
Rivers / streams (1, 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
30,9%
Pesticides
50,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas10
IUCN Not Reported · 6IUCN IV · 3IUCN V · 1🌊 Marine · 8
Estuaire et marais de la Basse Seine
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2002
186 km²
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
Marais Vernier et Vallée de la Risle maritime
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2015
96 km²
Estuaire De La Seine
IUCN IVNational Nature Reserve · 1997
85 km²
Complete list10 protected areas
- Boucles De La Seine NormandeRegional Nature ParkIUCN V1974905 km²
- Estuaire et marais de la Basse SeineSpecial Protection Area (Birds Directive)IUCN Not Reported2002186 km²
- Estuaire de la SeineMarine Protected Area (OSPAR)IUCN Not Reported2007120 km²
- Estuaire de la SeineSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2016113 km²
- Marais Vernier et Vallée de la Risle maritimeWetland of International Importance (Ramsar Site)IUCN Not Reported201596 km²
- Estuaire De La SeineNational Nature ReserveIUCN IV199785 km²
- Estuaire de la SeineMarine Protected Area (OSPAR)IUCN Not Reported201285 km²
- Marais Vernier, Risle MaritimeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202385 km²
- Risle maritimeLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20126 km²
- Grotte De La Grande ValléeBiotope Protection OrderIUCN IV19860 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.