Sejerø Bugt og Nekselø
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1983
481 km²
Municipality · DNK
Kalundborg
Denmark
CfbTemperate, no dry season, warm summer(100 %)
Species observed
8 366
Observations
675 602
Area
608,5km²
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 Kalundborg : 17 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 94 interactions GloBI sur 5 types (connectance 26.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
94
Connectance
0.268
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
8 366 distinct species · 675 602 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,7°C
Annual rain
626mm
Warmest m°
19,6°C
Coldest m°
-0,2°C
Elevation: 17 m on average (min -11 m, max 68 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,7°C
Annual rain
626mm
Warmest month
19,6°C
Coldest month
-0,2°C
Mean alt.
17m
Min
-11m
Max
68m
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
6,7
Org. C
42,9g/kg
Clay
15,9%
Sand
58,8%
Silt
25,3%
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
6,5
Org. C
63,8g/kg
Clay
15,6%
Sand
58,7%
Silt
25,7%
5–15 cm
pH H₂O
6,7
Org. C
32,5g/kg
Clay
14,0%
Sand
60,3%
Silt
25,7%
15–30 cm
pH H₂O
6,8
Org. C
32,5g/kg
Clay
18,1%
Sand
57,3%
Silt
24,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.8%
Crops60.0%
Built-up0.8%
Bare soil0.7%
Other (grassland, water…)28.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 5 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
88,0km
Lake surface here
27,66km²
Basins crossed
4
Max stream order
3
Max drainage
4 045km²
Discharge in basins
2,2m³/s
Mean precip.
603mm/an
Mean T°
8,2°C
Moisture idx
0,15
Max snow
17%
Mean runoff
363mm/an
Mean elev. (basins)
25m
Watersheds crossing here
Lakes (5, top by area)
Rivers / streams (14, ord ≥ 4)
- Bregninge Åord 1len here15.15 km100%total15 km
- Halleby Åord 3len here13.43 km96%total14 km
- Bøstrup Åord 1len here11.81 km97%total12 km
- Åmose Åord 3len here7.44 km19%total39 km
- Tranemose Åord 1len here6.64 km100%total7 km
- Kærby Åord 1len here5.93 km100%total6 km
- Tudeåord 3len here5.73 km20%total29 km
- Duemose Rendeord 1len here5.65 km100%total6 km
- Madegrøftord 3len here5.55 km100%total6 km
- Råmose Løbord 1len here3.72 km100%total4 km
- Helsinge Åord 1len here2.92 km100%total3 km
- Hvidbæks Rendeord 3len here2.38 km100%total2 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,1nW
Built-up
79,6%
Pesticides
9,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas29
IUCN Not Reported · 11IUCN IV · 10IUCN Not Assigned · 5IUCN V · 3🌊 Marine · 19
The bay of Sejerø and Saltbæk Vig
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2009
446 km²
Sejerø Bugt og Saltbæk Vig
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
442 km²
Sejrø Bugt, Nekselø Bugt and Saltbæk Vig
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1977
441 km²
Røsnæs, Røsnæs Rev og Kalundborg Fjord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
58 km²
Røsnæs, Røsnæs Rev og Kalundborg Fjord
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2009
57 km²
Complete list29 protected areas
- Sejerø Bugt og NekseløSpecial Protection Area (Birds Directive)IUCN Not Reported1983481 km²
- The bay of Sejerø and Saltbæk VigBaltic Sea Protected Area (HELCOM)IUCN Not Reported2009446 km²
- Sejerø Bugt og Saltbæk VigSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2011442 km²
- Sejrø Bugt, Nekselø Bugt and Saltbæk VigWetland of International Importance (Ramsar Site)IUCN Not Reported1977441 km²
- Røsnæs, Røsnæs Rev og Kalundborg FjordSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201158 km²
- Røsnæs, Røsnæs Rev og Kalundborg FjordBaltic Sea Protected Area (HELCOM)IUCN Not Reported200957 km²
- Kalundborg Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199257 km²
- Saltbæk VigSpecial Protection Area (Birds Directive)IUCN Not Reported198336 km²
- Holbæk Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199236 km²
- Store Åmose, Skarresø og Bregninge ÅSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201134 km²
- Åmose, Tissø, Halleby Å og FlaskenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201134 km²
- Kalundborg Kommune public§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN IV199234 km²
- Tissø, Åmose og Hallenslev MoseSpecial Protection Area (Birds Directive)IUCN Not Reported198329 km²
- Saltbæk VigProtected by conservation order, excl. Church surroundingsIUCN V199228 km²
- Slagelse Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199225 km²
- Sorø Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199224 km²
- Odsherred Kommune private§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN Not Assigned199220 km²
- Store ÅmoseSpecial Protection Area (Birds Directive)IUCN Not Reported201818 km²
- Slagelse Kommune public§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN IV19926 km²
- Holbæk Kommune public§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)IUCN IV19925 km²
- Eskebjerg VesterlyngProtected by conservation order, excl. Church surroundingsIUCN IV19473 km²
- Flasken ReersøProtected by conservation order, excl. Church surroundingsIUCN IV19793 km²
- Bjergsted BakkerProtected by conservation order, excl. Church surroundingsIUCN V20013 km²
- NekseløProtected by conservation order, excl. Church surroundingsIUCN V19852 km²
- Torsø ved VandfaldsmøllerProtected by conservation order, excl. Church surroundingsIUCN IV20170 km²
- Enerishøj, KullebjergProtected by conservation order, excl. Church surroundingsIUCN IV19480 km²
- TissøProtected by conservation order, excl. Church surroundingsIUCN IV19510 km²
- Asnæs DyrehaveProtected by conservation order, excl. Church surroundingsIUCN IV19540 km²
- Ubberup Stenstrøning, BøgebjerProtected by conservation order, excl. Church surroundingsIUCN IV19470 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN