Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · NLD
Harlingen
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 741
Observations
32 162
Area
27,3km²
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 Harlingen : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 151 interactions GloBI sur 6 types (connectance 20.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
151
Connectance
0.204
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
1 741 distinct species · 32 162 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,2°C
Annual rain
862mm
Warmest m°
18,6°C
Coldest m°
2,4°C
Elevation: -0 m on average (min -2 m, max 1 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,2°C
Annual rain
862mm
Warmest month
18,6°C
Coldest month
2,4°C
Mean alt.
-0m
Min
-2m
Max
1m
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
6,9
Org. C
61,5g/kg
Clay
29,3%
Sand
30,6%
Silt
40,2%
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
86,4g/kg
Clay
29,4%
Sand
31,0%
Silt
39,6%
5–15 cm
pH H₂O
7,0
Org. C
40,5g/kg
Clay
28,7%
Sand
31,6%
Silt
39,7%
15–30 cm
pH H₂O
7,0
Org. C
57,7g/kg
Clay
29,7%
Sand
29,1%
Silt
41,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.9%
Crops41.1%
Built-up4.0%
Bare soil0.7%
Other (grassland, water…)50.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,2km
Basins crossed
1
Max stream order
4
Max drainage
1 454km²
Discharge in basins
0,1m³/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 (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
3,8nW
Built-up
402,8%
Pesticides
53,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 2IUCN Not Reported · 2IUCN Not Applicable · 1IUCN Not Assigned · 1🌊 Marine · 6
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
NNN-FR
IUCN Not AssignedNature Reserves owned by professional nature management organizations · 2014
2 178 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN