Nature Reserves owned by professional nature management organizations · nld
NNN-ZH
- Area
- 450 km²
- IUCN cat.
- Not Assigned
- Year
- 2014
Overview
- Designation
- Nature Reserves owned by professional nature management organizations
- Established
- 2014
- Managing authority
- Ministry EZ RVO/GISCC
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
10 777 distinct species · 1 418 457 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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-ZH : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 6 types (connectance 13.5%, 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).
Hydrology14 basins · 27 lakes · 78 rivers
Hydrology metrics for this exact territory
Stream length here
49,4km
Lake surface here
61,29km²
Basins crossed
14
Max stream order
7
Max drainage
163 009km²
Discharge in basins
201,4m³/s
Mean precip.
781mm/an
Mean T°
9,6°C
Moisture idx
0,17
Max snow
13%
Mean runoff
476mm/an
Mean elev. (basins)
1m
Watersheds crossing here
- Bassin de Klinkerlandsche Weteringsub-area379,2 km²overlap71.69 km²16%
- Bassin de Spuisub-area450,1 km²overlap67.55 km²15%
- Bassin de Ringvaart van de Haarlemmermeerpoldersub-area1 024,3 km²overlap59.86 km²13%
- Bassin de Waalsub-area1 422,7 km²overlap43.07 km²10%
- Bassin de Gekanaliseerde Hollandsche IJsselsub-area386,1 km²overlap39.21 km²9%
- Bassin de Wennetjessub-area96,6 km²overlap36.74 km²8%
- Bassin de Oudelaanmolenslootsub-area351,4 km²overlap27.74 km²6%
- Bassin de Nederrijnsub-area1 375,3 km²overlap22.67 km²5%
- Bassin de Bergsche Maassub-area728,6 km²overlap14.62 km²3%
5 more basinssorted by overlap
Lakes (27, top by area)
- Grevelingenmeerarea125,3 km²avg depth5.6 m
- Haringvlietarea81,1 km²avg depth7.8 m
- Westeinderplassenarea8,6 km²avg depth1.5 m
- Braassemermeerarea5,1 km²avg depth1.4 m
- Kagerplassenarea3,8 km²avg depth1.0 m
- Oostvoornse Meerarea3,1 km²avg depth17.0 m
- Reeuwijkse Plassenarea3 km²avg depth0.9 m
- Nieuwenbroekarea2,4 km²avg depth1.1 m
- Noordeinderplasarea1,8 km²avg depth1.2 m
18 more lakes
- Langeraarse Plassenarea1,7 km²avg depth1.0 m
- Zuideinderplasarea1,6 km²avg depth0.7 m
- Binnenbedijkte Maasarea1,5 km²avg depth0.6 m
- Ravensbergarea1,1 km²avg depth0.6 m
- Lac 1330969area0,7 km²avg depth1.7 m
- Lac 1331795area0,6 km²avg depth1.6 m
- Lac 1330417area0,5 km²avg depth1.7 m
- Lac 1330562area0,4 km²avg depth1.7 m
- Lac 1331710area0,4 km²avg depth1.8 m
- Lac 1331476area0,3 km²avg depth1.5 m
- Lac 1330284area0,3 km²avg depth1.6 m
- Lac 1330336area0,2 km²avg depth1.5 m
- Lac 1330293area0,2 km²avg depth1.2 m
- Lac 1331841area0,2 km²avg depth1.5 m
- Lac 1331815area0,2 km²avg depth0.8 m
- Lac 1330337area0,2 km²avg depth1.0 m
- Lac 1331389area0,1 km²avg depth1.5 m
- Lac 1330648area0,1 km²avg depth1.0 m
Rivers / streams (78, ord ≥ 4)
- De Poelord 1len here5.29 km59%total9 km
- Dwarsche Vaartord 1len here3.23 km100%total3 km
- Berkenwoudseche Hoge Boezemord 1len here2.71 km22%total12 km
- Ziendeord 2len here2.69 km65%total4 km
- Oude Maasord 3len here2.13 km9%total24 km
- Blakervaartord 3len here2.05 km19%total11 km
- Breevaartord 1len here2.01 km34%total6 km
- Spuiord 2len here1.97 km19%total10 km
- Noorderdiepord 1len here1.90 km100%total2 km
- Bakkerskilord 7len here1.77 km6%total32 km
- Paddegatord 1len here1.70 km15%total12 km
- Scheidelford 2len here1.69 km47%total4 km
66 more river segmentssorted by Strahler order + length
- Boven-Merwedeord 3len here1.45 km43%total3 km
- Oudelaanmolenslootord 2len here1.37 km9%total14 km
- Zesde Tochtord 1len here0.97 km8%total12 km
- Sluiswateringord 1len here0.93 km12%total8 km
- Kwakelgatord 1len here0.88 km91%total1 km
- Stompwijksche vaartord 1len here0.77 km7%total11 km
- Hoofdvaartord 3len here0.73 km3%total25 km
- Lingeord 2len here0.73 km5%total13 km
- Polsbroeker Voorweteringord 1len here0.65 km6%total10 km
- Stolwijkse Boezemord 2len here0.63 km11%total5 km
- Trekvliet of Zuidvlietord 2len here0.58 km8%total8 km
- Hollandsche IJsselord 2len here0.57 km5%total11 km
- Scheurord 7len here0.55 km5%total12 km
- Vogelslootord 1len here0.54 km12%total4 km
- Verlorendiepord 1len here0.50 km18%total3 km
- Oude Havenord 1len here0.50 km9%total5 km
- Ringvaart van de Haarlemmermeerpolderord 3len here0.47 km2%total31 km
- Klinkerlandsche Weteringord 1len here0.47 km6%total8 km
- Zwethord 3len here0.46 km24%total2 km
- Wennetjesord 1len here0.43 km4%total10 km
- Lekord 7len here0.41 km1%total40 km
- Otterkanaalord 1len here0.38 km55%total1 km
- Binnenbedijkte Maasord 1len here0.37 km6%total6 km
- Schenkord 1len here0.35 km8%total4 km
- Vlietord 2len here0.34 km6%total6 km
- Bovenvaartord 1len here0.32 km10%total3 km
- Vliet van Erberveldord 2len here0.30 km6%total5 km
- Nieuwe Maasord 7len here0.28 km7%total4 km
- Zijlwateringord 1len here0.28 km6%total4 km
- Giessenord 4len here0.26 km1%total18 km
- Achterord 1len here0.26 km1%total18 km
- Haagwijkslootord 1len here0.23 km17%total1 km
- Gekanaliseerde Hollandsche IJsselord 1len here0.23 km1%total23 km
- Oosteindervaartord 1len here0.22 km5%total4 km
- Zuiddiepjeord 1len here0.20 km16%total1 km
- Kanaal door Voorneord 2len here0.18 km2%total8 km
- Ringslootord 1len here0.17 km3%total6 km
- Dwarswateringord 3len here0.15 km2%total7 km
- Nieuw-Beijerlandsche Kreekord 1len here0.14 km8%total2 km
- Ringdijkwateringord 2len here0.12 km3%total4 km
- Oude Rijnord 3len here0.11 km1%total21 km
- Waalord 3len here0.10 km0%total89 km
- Gemeentehavenord 3len here0.10 km1%total8 km
- Afgedamde Maasord 1len here0.08 km1%total11 km
- Lange Wateringord 1len here0.07 km2%total4 km
- Kromme Aarord 3len here0.06 km0%total13 km
- Turfsingelgrachtord 2len here0.05 km2%total3 km
- Reijnerwateringord 3len here0.04 km1%total4 km
- Overrijnord 4len here0.04 km1%total5 km
- Botvlietord 1len here0.04 km2%total2 km
- Stroomkanaalord 1len here0.03 km0%total11 km
- Rijkshaven Barendrechtord 3len here0.03 km1%total7 km
- Rotteord 3len here0.03 km0%total14 km
- Aarkanaalord 2len here0.03 km0%total19 km
- Hartelkanaalord 1len here0.02 km0%total9 km
- Gantelord 1len here0.02 km0%total5 km
- Nieuwe Merwedeord 6len here0.01 km0%total18 km
- Bolneshavenord 7len here0.01 km0%total2 km
- Achterweteringord 1len here0.00 km0%total15 km
- Bieslandsche Molenslootord 1len here≈ tangenttotal2 km
- Kooislootord 3len here≈ tangenttotal4 km
- Weegslootord 1len here≈ tangenttotal4 km
- Noordord 2len here≈ tangenttotal4 km
- Industriehaven Avelingen-Oostord 3len here≈ tangenttotal10 km
- Gaagord 2len here≈ tangenttotal4 km
- Wevershavenord 3len here≈ tangenttotal4 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
- 51.80357, 4.81377
- 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.