Nature Reserves owned by professional nature management organizations · nld
NNN-FL
- Area
- 263 km²
- IUCN cat.
- Not Assigned
- Year
- 2010
Overview
- Designation
- Nature Reserves owned by professional nature management organizations
- Established
- 2010
- Managing authority
- Ministry EZ RVO/GISCC
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
4 486 distinct species · 309 904 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 NNN-FL : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 8 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 · 19 lakes · 33 rivers
Hydrology metrics for this exact territory
Stream length here
52,0km
Lake surface here
34,67km²
Basins crossed
6
Max stream order
5
Max drainage
10 570km²
Discharge in basins
18,7m³/s
Mean precip.
786mm/an
Mean T°
9,2°C
Moisture idx
0,16
Max snow
14%
Mean runoff
483mm/an
Mean elev. (basins)
0m
Watersheds crossing here
- Bassin de Hoge Vaartsub-area816,7 km²overlap166.47 km²63%
- Bassin de Grote Valkse beeksub-area1 668,1 km²overlap45.32 km²17%
- Bassin de WV Roggebotsub-area169,7 km²overlap18.18 km²7%
- Bassin de De Tsjonger of De Kuundersub-area924,7 km²overlap13.05 km²5%
- Bassin de Kleeftochtsub-area306,6 km²overlap9.95 km²4%
- Bassin de Vledder- en Wapserveensche Aasub-area382,3 km²overlap9.82 km²4%
Lakes (19, top by area)
- Ijsselmeerarea1 962,7 km²avg depth4.5 m
- Lake #65085area7,5 km²avg depth1.7 m
- Krentenplasarea3,6 km²avg depth1.1 m
- Kitstochtarea2,5 km²avg depth0.7 m
- Noorderplassenarea1,7 km²avg depth1.5 m
- Lac 1327804area0,9 km²avg depth1.7 m
- Lac 1327929area0,8 km²avg depth2.2 m
- Lac 1328832area0,7 km²avg depth1.5 m
- Lac 1328790area0,4 km²avg depth1.1 m
10 more lakes
- Lac 1329109area0,2 km²avg depth1.4 m
- Lac 1328982area0,2 km²avg depth1.4 m
- Lac 1329000area0,2 km²avg depth0.8 m
- Lac 1329019area0,2 km²avg depth1.2 m
- Lac 1327586area0,2 km²avg depth1.4 m
- Lac 1329050area0,1 km²avg depth1.7 m
- Lac 1329077area0,1 km²avg depth1.8 m
- Lac 1329095area0,1 km²avg depth1.0 m
- Lac 1327449area0,1 km²avg depth2.0 m
- Lac 1328984area0,1 km²avg depth1.0 m
Rivers / streams (33, ord ≥ 4)
- Roodbeentochtord 2len here8.68 km48%total18 km
- Lage Vaartord 3len here7.64 km45%total17 km
- Hoge Vaartord 2len here6.46 km31%total21 km
- Vollenhover Kanaalord 2len here5.88 km37%total16 km
- Lemstervaartord 3len here3.62 km19%total20 km
- Hoge Vaartord 2len here3.48 km49%total7 km
- Hoge Knartochtord 1len here2.85 km47%total6 km
- Gelderse Diepord 2len here2.79 km43%total7 km
- Groenewoudsetochtord 2len here1.92 km50%total4 km
- Gruttotochtord 2len here1.84 km13%total15 km
- Kottertochtord 2len here1.58 km96%total2 km
- Ooievaarstochtord 1len here1.39 km29%total5 km
21 more river segmentssorted by Strahler order + length
- Fluittochtord 2len here0.96 km12%total8 km
- Winkeltochtord 1len here0.73 km17%total4 km
- Eektord 1len here0.56 km5%total11 km
- Havendiepord 3len here0.44 km5%total9 km
- Klutentochtord 1len here0.40 km11%total4 km
- Kleeftochtord 1len here0.21 km2%total14 km
- Toegangsgeul Arkervaartord 3len here0.16 km3%total5 km
- Diamantgrachtord 1len here0.13 km4%total3 km
- Pilotentochtord 2len here0.10 km1%total8 km
- Urkervaartord 2len here0.05 km1%total4 km
- Spieringtochtord 1len here0.05 km2%total3 km
- Colijntochtord 1len here0.05 km1%total5 km
- WV Roggebotord 2len here0.01 km0%total15 km
- Ramsdiepord 5len here0.00 km0%total8 km
- Tulpeilandord 1len here0.00 km0%total3 km
- Puttenerbeekord 2len here0.00 km0%total15 km
- RCN Zeewoldeord 3len here0.00 km0%total4 km
- Bijsselsebeekord 1len here0.00 km0%total5 km
- Zilverbeekord 2len here0.00 km0%total12 km
- Zwarte Waterord 5len here≈ tangenttotal13 km
- Wulptochtord 1len here≈ tangenttotal1 km
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
- 52.45164, 5.35475
- 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.