Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · NLD
Waadhoeke
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
5 005
Observations
297 107
Area
292,9km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Waadhoeke : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 151 interactions GloBI sur 6 types (connectance 17.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
151
Connectance
0.175
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
5 005 distinct species · 297 107 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,0°C
Annual rain
870mm
Warmest m°
19,2°C
Coldest m°
1,8°C
Elevation: 0 m on average (min -1 m, max 2 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,0°C
Annual rain
870mm
Warmest month
19,2°C
Coldest month
1,8°C
Mean alt.
0m
Min
-1m
Max
2m
Std. dev.
0m
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
6,9
Org. C
70,0g/kg
Clay
31,0%
Sand
22,4%
Silt
46,6%
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
6,8
Org. C
88,5g/kg
Clay
30,2%
Sand
23,1%
Silt
46,7%
5–15 cm
pH H₂O
6,9
Org. C
46,0g/kg
Clay
30,3%
Sand
22,8%
Silt
46,9%
15–30 cm
pH H₂O
6,9
Org. C
75,5g/kg
Clay
32,5%
Sand
21,3%
Silt
46,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.4%
Crops57.5%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)37.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
51,6km
Basins crossed
1
Max stream order
3
Max drainage
1 454km²
Discharge in basins
0,6m³/s
Mean precip.
792mm/an
Mean T°
8,8°C
Moisture idx
0,25
Max snow
13%
Mean runoff
476mm/an
Mean elev. (basins)
-1m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- Van Harinxmakanaalord 4len here16.37 km86%total19 km
- Aldmearord 3len here9.07 km100%total9 km
- Tsjommer Feartord 1len here5.83 km100%total6 km
- Súdhoekster Faartord 1len here5.33 km100%total5 km
- Boalserter Feartord 2len here5.28 km48%total11 km
- Harlingertrekvaartord 3len here3.88 km45%total9 km
- Easterbierrumer Feartord 1len here3.47 km99%total4 km
- Nije Faartord 1len here2.02 km97%total2 km
- Hijumer Feartord 2len here0.32 km3%total12 km
- Dokkumer Ieord 3len here0.07 km1%total11 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,9nW
Built-up
134,2%
Pesticides
48,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN Not Applicable · 2IUCN IV · 2IUCN Not Reported · 2IUCN Not Assigned · 1🌊 Marine · 7
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 list7 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
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN