Wetland of International Importance (Ramsar Site) · nld
Voordelta
- Area
- 923 km²
- IUCN cat.
- IV
- Year
- 2000
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2000
- Managing authority
- Full information available from the Ramsar Sites Information Service (RSIS) website - https://rsis.ramsar.org/ris/1279
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
9 632 distinct species · 1 584 581 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Voordelta : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 122 interactions GloBI sur 5 types (connectance 14.2%, 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).
Hydrology4 basins · 1 lakes · 0 rivers
Hydrology metrics for this exact territory
Lake surface here
0,06km²
Basins crossed
4
Max drainage
710km²
Discharge in basins
0,0m³/s
Mean precip.
763mm/an
Mean T°
9,9°C
Moisture idx
0,15
Max snow
10%
Mean runoff
458mm/an
Mean elev. (basins)
0m
Watersheds crossing here
Lakes (1, top by area)
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
- 51.76431, 3.70363
- 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.