Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · NLD
Eemsdelta
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 659
Observations
173 830
Area
262,5km²
Ecological tissue
Sample of 36 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 Eemsdelta : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
101
Connectance
0.136
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
3 659 distinct species · 173 830 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,6°C
Annual rain
875mm
Warmest m°
20,3°C
Coldest m°
0,5°C
Elevation: -0 m on average (min -3 m, max 3 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,6°C
Annual rain
875mm
Warmest month
20,3°C
Coldest month
0,5°C
Mean alt.
-0m
Min
-3m
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
96,5g/kg
Clay
28,2%
Sand
27,2%
Silt
44,7%
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
113,1g/kg
Clay
26,9%
Sand
28,1%
Silt
45,0%
5–15 cm
pH H₂O
6,8
Org. C
52,4g/kg
Clay
27,5%
Sand
27,8%
Silt
44,7%
15–30 cm
pH H₂O
6,8
Org. C
123,9g/kg
Clay
30,1%
Sand
25,6%
Silt
44,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.8%
Crops60.1%
Built-up1.4%
Bare soil0.5%
Other (grassland, water…)33.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 3 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
55,7km
Lake surface here
1,20km²
Basins crossed
2
Max stream order
3
Max drainage
1 612km²
Discharge in basins
0,3m³/s
Mean precip.
790mm/an
Mean T°
8,8°C
Moisture idx
0,18
Max snow
12%
Mean runoff
461mm/an
Mean elev. (basins)
3m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (12, ord ≥ 4)
- Termunterzijldiepord 3len here11.15 km100%total11 km
- Oosterhornkanaalord 3len here11.00 km100%total11 km
- Leermenstermaarord 2len here8.29 km100%total8 km
- Stedumermaarord 1len here5.86 km89%total7 km
- Afwateringskanaalord 1len here5.69 km100%total6 km
- Bierumermaarord 2len here5.17 km100%total5 km
- Godlinzermaarord 2len here2.76 km100%total3 km
- Eemskanaalord 3len here2.29 km13%total18 km
- Leege Maarord 1len here1.35 km100%total1 km
- Munnikeslootord 3len here1.26 km7%total18 km
- Startenhuistermaarord 2len here0.68 km28%total2 km
- Tatjemaarord 2len here0.21 km9%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,8nW
Built-up
143,7%
Pesticides
55,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN IV · 3IUCN Not Applicable · 2IUCN Not Reported · 2IUCN Not Assigned · 1🌊 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 list8 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-GRNature Reserves owned by professional nature management organizationsIUCN Not Assigned2016774 km²
- AußenemsNature ReserveIUCN IV2019120 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN