Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2009
11 574 km²
Municipality · DNK
Tønder
Denmark
CfbTemperate, no dry season, warm summer(100 %)
Species observed
7 894
Observations
1 004 790
Area
1 175,3km²
Ecological tissue
Sample of 25 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 Tønder : 16 espèces reliées par 69 interactions GloBI sur 4 types (connectance 23.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
69
Connectance
0.230
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
7 894 distinct species · 1 004 790 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,7°C
Annual rain
880mm
Warmest m°
19,5°C
Coldest m°
-0,2°C
Elevation: 15 m on average (min -8 m, max 71 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,7°C
Annual rain
880mm
Warmest month
19,5°C
Coldest month
-0,2°C
Mean alt.
15m
Min
-8m
Max
71m
Std. dev.
15m
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
5,8
Org. C
61,4g/kg
Clay
13,1%
Sand
69,4%
Silt
17,5%
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
5,7
Org. C
80,5g/kg
Clay
13,3%
Sand
69,0%
Silt
17,7%
5–15 cm
pH H₂O
5,9
Org. C
45,1g/kg
Clay
13,0%
Sand
69,6%
Silt
17,4%
15–30 cm
pH H₂O
5,9
Org. C
58,4g/kg
Clay
13,0%
Sand
69,6%
Silt
17,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.7%
Crops59.8%
Built-up0.5%
Bare soil1.6%
Other (grassland, water…)27.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 6 lakes · 42 rivers
Hydrology metrics for this exact territory
Stream length here
328,9km
Lake surface here
2,21km²
Basins crossed
6
Max stream order
4
Max drainage
2 054km²
Discharge in basins
18,3m³/s
Mean precip.
845mm/an
Mean T°
8,0°C
Moisture idx
0,33
Max snow
16%
Mean runoff
630mm/an
Mean elev. (basins)
18m
Watersheds crossing here
- Bassin de Brede Åsub-area455,8 km²overlap444.93 km²38%
- Bassin de Vidåsub-area1 347,2 km²overlap368.72 km²31%
- Bassin de Brøns Åsub-area380,5 km²overlap240.76 km²20%
- Bassin de Nørreåsub-area976,7 km²overlap77.13 km²7%
- Bassin de Koldby Ruersub-area38,9 km²overlap36.27 km²3%
- Bassin de Arlausub-area2 054,2 km²overlap6.47 km²1%
Lakes (6, top by area)
Rivers / streams (42, ord ≥ 4)
- Brede Åord 3len here35.09 km100%total35 km
- Vidåord 4len here34.00 km88%total39 km
- Arnåord 2len here21.91 km90%total24 km
- Smedebækord 1len here14.47 km100%total14 km
- Fiskbækord 3len here14.29 km100%total14 km
- Lobækord 3len here14.00 km100%total14 km
- Kisbækord 2len here13.68 km83%total16 km
- Hvirlåord 1len here12.52 km76%total16 km
- Sejersbækord 1len here12.28 km100%total12 km
- Brøns Åord 2len here12.20 km100%total12 km
- Lindskov Møllestrømord 2len here11.32 km100%total11 km
- Lillestrømord 3len here10.80 km81%total13 km
30 more river segmentssorted by Strahler order + length
- Lundgrøftord 2len here8.74 km100%total9 km
- Åbølling Bækord 1len here8.39 km100%total8 km
- Løbækord 2len here8.32 km100%total8 km
- Rejsby Åord 2len here7.70 km75%total10 km
- Sølbækord 1len here7.53 km100%total8 km
- Renbækord 2len here7.45 km100%total7 km
- Vollum Bækord 2len here6.97 km100%total7 km
- Røgelstrømord 3len here6.72 km99%total7 km
- Vindtved Kanalord 1len here6.04 km54%total11 km
- Galgestrømord 2len here5.85 km100%total6 km
- Skallebækord 2len here5.66 km100%total6 km
- Nørring Bækord 1len here5.47 km100%total5 km
- Gånsager Bækord 1len here4.77 km97%total5 km
- Nipsåord 2len here4.55 km63%total7 km
- Friskær Bækord 3len here3.87 km100%total4 km
- Holbækord 1len here3.43 km100%total3 km
- Valsbækord 2len here3.03 km52%total6 km
- Skifleord 1len here2.76 km94%total3 km
- Laurentiusstrømmenord 3len here2.34 km100%total2 km
- Gabøl Bækord 3len here2.16 km15%total14 km
- Elbækord 2len here2.07 km100%total2 km
- Humlehave Bækord 1len here1.80 km100%total2 km
- Koldby Ruerord 1len here1.73 km100%total2 km
- Låddenmose Bækord 3len here1.53 km58%total3 km
- Goldbækord 1len here1.19 km63%total2 km
- Nørkær Bækord 3len here0.92 km12%total8 km
- Andesnabbækord 1len here0.70 km101%total1 km
- Nørrebækord 1len here0.61 km25%total2 km
- Hyrup Bækord 1len here0.05 km1%total4 km
- Røjbækord 1len here≈ tangenttotal2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
47,2%
Pesticides
14,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas32
IUCN Not Reported · 20IUCN Not Assigned · 4IUCN Ia · 3IUCN IV · 2IUCN Not Applicable · 1IUCN V · 1IUCN III · 1🌊 Marine · 13
S-H Wadden sea National Park
IUCN Not ReportedMarine Protected Area (OSPAR) · 2005
4 602 km²
Schleswig-Holstein Wadden Sea and adjacent areas
IUCN VWetland of International Importance (Ramsar Site) · 1991
4 583 km²
Vadehavet
IUCN IaWetland of International Importance (Ramsar Site) · 1987
1 512 km²
Vadehavet med Ribe Å, Tved Å og Varde Å vest for Varde
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
1 360 km²
Vadehavet
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1983
1 155 km²
Complete list32 protected areas
- Wadden SeaWorld Heritage Site (natural or mixed)IUCN Not Applicable200911 574 km²
- S-H Wadden sea National ParkMarine Protected Area (OSPAR)IUCN Not Reported20054 602 km²
- Schleswig-Holstein Wadden Sea and adjacent areasWetland of International Importance (Ramsar Site)IUCN V19914 583 km²
- VadehavetWetland of International Importance (Ramsar Site)IUCN Ia19871 512 km²
- Vadehavet med Ribe Å, Tved Å og Varde Å vest for VardeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20111 360 km²
- VadehavetSpecial Protection Area (Birds Directive)IUCN Not Reported19831 155 km²
- Vadehavet med Ribe Å, Tved Å og Varde Å vest for VardeMarine Protected Area (OSPAR)IUCN Not Reported20091 137 km²
- RømøSpecial Protection Area (Birds Directive)IUCN Not Reported198371 km²
- Tønder Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199270 km²
- Vidåen, Tøndermarsken og SaltvandssøenSpecial Protection Area (Birds Directive)IUCN Not Reported198365 km²
- Aabenraa Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199259 km²
- Esbjerg Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199246 km²
- Tønder Kommune public§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN IV199243 km²
- Ballum og Husum Enge og Kamper StrandengeSpecial Protection Area (Birds Directive)IUCN Not Reported198343 km²
- Haderslev Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199240 km²
- Sønder ÅdalSpecial Protection Area (Birds Directive)IUCN Not Reported198327 km²
- Lindet skov, Hønning Mose, Hønning Plantage og Lovrup SkovSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201123 km²
- Lindet Skov, Hønning Mose og Plantage, Lovdrup Skov og SkrøpSpecial Protection Area (Birds Directive)IUCN Not Reported198323 km²
- Gotteskoog-GebietSpecial Protection Area (Birds Directive)IUCN Not Reported19839 km²
- Kongens Mose og Draved SkovSpecial Protection Area (Birds Directive)IUCN Not Reported19838 km²
- Kongens Mose og Draved SkovSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20118 km²
- Rømø VestProtected by conservation order, excl. Church surroundingsIUCN IV19856 km²
- Vidå med tilløb, Rudbøl Sø og MagisterkogenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20116 km²
- Kogsbøl og Skast MoseSpecial Protection Area (Birds Directive)IUCN Not Reported19836 km²
- Draved MoseProtected by conservation order, excl. Church surroundingsIUCN Ia19914 km²
- Sølsted MoseSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20112 km²
- Sølsted MoseSpecial Protection Area (Birds Directive)IUCN Not Reported20181 km²
- Draved SkovProtected by conservation order, excl. Church surroundingsIUCN Ia19631 km²
- Mandbjerg SkovSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20111 km²
- Ruttebüller SeeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20101 km²
- Brede ÅSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20110 km²
- Jejsing BjergProtected by conservation order, excl. Church surroundingsIUCN III19700 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN