Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · NLD
Noardeast-Fryslân
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
4 373
Observations
780 791
Area
398,4km²
Ecological tissue
Sample of 30 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Noardeast-Fryslân : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 5 types (connectance 18.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
81
Connectance
0.186
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 373 distinct species · 780 791 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,7°C
Annual rain
883mm
Warmest m°
19,7°C
Coldest m°
1,1°C
Elevation: 0 m on average (min -1 m, max 3 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,7°C
Annual rain
883mm
Warmest month
19,7°C
Coldest month
1,1°C
Mean alt.
0m
Min
-1m
Max
3m
Std. dev.
1m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
78,6g/kg
Clay
31,4%
Sand
24,1%
Silt
44,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
90,3g/kg
Clay
30,6%
Sand
24,9%
Silt
44,5%
5–15 cm
pH H₂O
6,8
Org. C
54,8g/kg
Clay
30,7%
Sand
24,7%
Silt
44,6%
15–30 cm
pH H₂O
6,8
Org. C
90,6g/kg
Clay
32,8%
Sand
22,7%
Silt
44,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.7%
Crops55.8%
Built-up0.9%
Bare soil0.5%
Other (grassland, water…)38.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 2 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
78,1km
Lake surface here
13,75km²
Basins crossed
3
Max stream order
4
Max drainage
1 612km²
Discharge in basins
3,7m³/s
Mean precip.
792mm/an
Mean T°
8,8°C
Moisture idx
0,22
Max snow
13%
Mean runoff
476mm/an
Mean elev. (basins)
1m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (18, ord ≥ 4)
- Dokkumer Djipord 4len here18.81 km97%total19 km
- Dokkumer Grutdjipord 1len here8.59 km100%total9 km
- Hijumer Feartord 2len here7.94 km64%total12 km
- Alddjipord 3len here7.17 km84%total9 km
- Jislumer Feartord 2len here5.74 km100%total6 km
- Rypster Feartord 1len here3.99 km100%total4 km
- Keegenster Rydord 1len here3.77 km61%total6 km
- Reitdiepord 4len here3.33 km12%total29 km
- Tsjettelfeartord 1len here3.02 km94%total3 km
- De Moarkord 2len here3.01 km33%total9 km
- Hearreweister Feartord 2len here2.79 km81%total3 km
- Dyksfeartord 1len here2.70 km100%total3 km
6 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,6nW
Built-up
89,2%
Pesticides
50,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN IV · 3IUCN Not Reported · 3IUCN Not Applicable · 2IUCN Not Assigned · 2IUCN II · 2🌊 Marine · 8
Waddenzee
IUCN IVNature Conservation Act · 2009
2 718 km²
Waddenzee
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1991
2 718 km²
Wadden Sea
IUCN IVWetland of International Importance (Ramsar Site) · 1984
2 710 km²
Waddenzee
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
2 648 km²
Waddensea Area
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1986
2 435 km²
Complete list12 protected areas
- Wadden SeaWorld Heritage Site (natural or mixed)IUCN Not Applicable200911 574 km²
- WaddenzeeNature Conservation ActIUCN IV20092 718 km²
- WaddenzeeSpecial Protection Area (Birds Directive)IUCN Not Reported19912 718 km²
- Wadden SeaWetland of International Importance (Ramsar Site)IUCN IV19842 710 km²
- WaddenzeeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20092 648 km²
- Waddensea AreaUNESCO-MAB Biosphere ReserveIUCN Not Applicable19862 435 km²
- NNN-FRNature Reserves owned by professional nature management organizationsIUCN Not Assigned20142 178 km²
- NNN-GRNature Reserves owned by professional nature management organizationsIUCN Not Assigned2016774 km²
- LauwersmeerNational ParkIUCN II200360 km²
- LauwersmeerSpecial Protection Area (Birds Directive)IUCN Not Reported200058 km²
- LauwersmeerNature Conservation ActIUCN IV201058 km²
- LauwersmeerWetland of International Importance (Ramsar Site)IUCN II200058 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN