Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Subdivision · DEU
Germany
Species observed
629
Observations
4 723
Area
39,1km²
Sample of 40 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).
Tissu écologique de Tönning : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 5 types (connectance 13.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
629 distinct species · 4 723 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,0°C
Annual rain
861mm
Warmest m°
20,0°C
Coldest m°
-0,2°C
Elevation: 2 m on average (min 0 m, max 6 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,2
Org. C
88,3g/kg
Clay
34,8%
Sand
27,0%
Silt
38,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Nordfriesland
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
2,4km
Basins crossed
2
Max stream order
4
Max drainage
2 610km²
Discharge in basins
0,1m³/s
Mean precip.
827mm/an
Mean T°
8,2°C
Moisture idx
0,30
Max snow
16%
Mean runoff
568mm/an
Mean elev. (basins)
7m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
0,5nW
Built-up
82,8%
Pesticides
29,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
World Heritage Site (natural or mixed) · 2009
11 574 km²
Special Protection Area (Birds Directive) · 2004
4 639 km²
Marine Protected Area (OSPAR) · 2005
4 602 km²
Wetland of International Importance (Ramsar Site) · 1991
4 583 km²
Special Areas of Conservation (Habitats Directive) · 2010
4 524 km²
biosphere reserve · 2019
4 452 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN