National Nature Reserve · FRA
Estuaire De La Seine
- Area
- 85 km²
- IUCN cat.
- IV
- Year
- 1997
Overview
- Designation
- National Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1997
- Managing authority
- French Ministry in charge of the environment. In march 2012, name, acronym and address as follows : Ministère de l'Écologie, du Développement durable, des Transports et du Logement (MEDDTL) 92055 La Défense Cedex France. For nature reserves network,
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 889 distinct species · 281 924 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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).
Indicateurs du tissu écologique
Tissu écologique de Estuaire De La Seine : 22 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 5 types (connectance 17.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,6km
Basins crossed
6
Max stream order
4
Max drainage
2 302km²
Discharge in basins
0,7m³/s
Mean precip.
697mm/an
Mean T°
10,5°C
Moisture idx
-0,10
Max snow
11%
Mean runoff
614mm/an
Mean elev. (basins)
57m
Watersheds crossing here
- Bassin de la Brouisseressesub-area101,6 km²overlap28.25 km²33%
- Bassin de la Lézardesub-area317,4 km²overlap5.84 km²7%
- Bassin de Canal Saint-Aubinsub-area73,9 km²overlap2.41 km²3%
- Bassin de la Rislesub-area2 301,8 km²overlap1.46 km²2%
- Basin #22090sub-area44,7 km²overlap0.31 km²0%
- Bassin de Canal de Retoursub-area40 km²overlap0.14 km²0%
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 49.48445, 0.40129
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.