Wetland of International Importance (Ramsar Site) · nld
IJmeer
- Area
- 75 km²
- IUCN cat.
- Not Reported
- Year
- 2000
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 2000
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
4 095 distinct species · 168 991 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 IJmeer : 33 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 7 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 · 3 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
0,4km
Lake surface here
67,12km²
Basins crossed
6
Max stream order
4
Max drainage
1 905km²
Discharge in basins
0,1m³/s
Mean precip.
791mm/an
Mean T°
9,1°C
Moisture idx
0,22
Max snow
14%
Mean runoff
486mm/an
Mean elev. (basins)
-1m
Watersheds crossing here
- Bassin de Ringslootsub-area1 905,4 km²overlap3.65 km²5%
- Bassin de Hoge Vaartsub-area816,7 km²overlap2.29 km²3%
- Bassin de Naardertrekvaartsub-area23 km²overlap1.93 km²3%
- Basin #23230sub-area26,5 km²overlap1.69 km²2%
- Bassin de Vechtsub-area371,4 km²overlap0.12 km²0%
- Bassin de Grote Valkse beeksub-area1 668,1 km²overlap0.11 km²0%
Lakes (3, top by area)
Rivers / streams (2, 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
- 52.38082, 5.06900
- 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.