National Nature Reserve · fra
Marais Vernier
- Area
- 1 km²
- IUCN cat.
- IV
- Year
- 2013
Overview
- Designation
- National Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2013
- 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
1 642 distinct species · 26 108 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 87 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 Marais Vernier : 16 espèces reliées par 400 interactions GloBI sur 6 types (connectance 5.3%, filtre Serrano α=0.2). 107 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
74km²
Discharge in basins
0,0m³/s
Mean precip.
678mm/an
Mean T°
10,7°C
Moisture idx
-0,13
Max snow
9%
Mean runoff
607mm/an
Mean elev. (basins)
23m
Watersheds crossing here
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
- 49.42980, 0.51856
- 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.