Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · NLD
Oldambt
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
4 218
Observations
169 135
Area
237,9km²
Ecological tissue
Sample of 35 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 Oldambt : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 5 types (connectance 15.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
110
Connectance
0.157
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
4 218 distinct species · 169 135 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,5°C
Annual rain
846mm
Warmest m°
21,1°C
Coldest m°
-0,1°C
Elevation: -0 m on average (min -3 m, max 4 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,5°C
Annual rain
846mm
Warmest month
21,1°C
Coldest month
-0,1°C
Mean alt.
-0m
Min
-3m
Max
4m
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
6,2
Org. C
106,9g/kg
Clay
35,9%
Sand
20,6%
Silt
43,5%
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
6,1
Org. C
113,4g/kg
Clay
34,2%
Sand
21,8%
Silt
44,0%
5–15 cm
pH H₂O
6,3
Org. C
64,8g/kg
Clay
34,8%
Sand
21,5%
Silt
43,7%
15–30 cm
pH H₂O
6,3
Org. C
142,7g/kg
Clay
38,7%
Sand
18,6%
Silt
42,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.6%
Crops54.5%
Built-up1.2%
Bare soil0.3%
Other (grassland, water…)35.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 6 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
52,2km
Lake surface here
1,33km²
Basins crossed
2
Max stream order
3
Max drainage
1 456km²
Discharge in basins
2,8m³/s
Mean precip.
782mm/an
Mean T°
8,9°C
Moisture idx
0,15
Max snow
12%
Mean runoff
441mm/an
Mean elev. (basins)
2m
Watersheds crossing here
Lakes (6, top by area)
Rivers / streams (13, ord ≥ 4)
- Winschoterdiepord 3len here11.85 km49%total24 km
- Pekel-Aaord 3len here8.53 km80%total11 km
- Westerwoldsche Aaord 3len here6.02 km100%total6 km
- Nieuwe Kanaalord 1len here5.25 km100%total5 km
- De Tjammeord 1len here4.25 km100%total4 km
- Blauwediepord 3len here4.12 km100%total4 km
- Hoofdkanaalord 1len here3.79 km100%total4 km
- B.L. Tijdenskanaalord 2len here2.04 km24%total9 km
- Meedenerdiepord 3len here1.54 km43%total4 km
- Wymeerer Sieltieford 3len here1.50 km9%total16 km
- Munte Wateringord 1len here1.14 km19%total6 km
- Bulsterverlaatord 3len here1.12 km100%total1 km
1 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
1,1nW
Built-up
123,6%
Pesticides
57,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN Not Reported · 4IUCN Not Assigned · 3IUCN IV · 3IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 12
Niedersächsisches Wattenmeer
IUCN Not Assignedbiosphere reserve · 2021
4 174 km²
Niedersächsisches Wattenmeer und angrenzendes Küstenmeer
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2001
3 548 km²
Niedersächsisches Wattenmeer
IUCN IINational Park · 1986
3 455 km²
Nationalpark Niedersächsisches Wattenmeer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
2 769 km²
Waddenzee
IUCN IVNature Conservation Act · 2009
2 718 km²
Complete list12 protected areas
- Wadden SeaWorld Heritage Site (natural or mixed)IUCN Not Applicable200911 574 km²
- Niedersächsisches Wattenmeerbiosphere reserveIUCN Not Assigned20214 174 km²
- Niedersächsisches Wattenmeer und angrenzendes KüstenmeerSpecial Protection Area (Birds Directive)IUCN Not Reported20013 548 km²
- Niedersächsisches WattenmeerNational ParkIUCN II19863 455 km²
- Nationalpark Niedersächsisches WattenmeerSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20102 769 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
- Niedersächsisches Wattenmeer, Kernzonebiosphere reserve - core areaIUCN Not Assigned20212 409 km²
- Wattenmeer, Ostfriesisches Wattenmeer & DollartWetland of International Importance (Ramsar Site)IUCN IV19761 209 km²
- NNN-GRNature Reserves owned by professional nature management organizationsIUCN Not Assigned2016774 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN