HydroBASINS lev08 watershed · #2080239940
Bassin de Väsbyån
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 9 administrative regions : Danderyd, Järfälla, Sigtuna, Sollentuna, Stockholm +4
Sub-basin area
277,2km²
Upstream area
277,2km²
Discharge
1,92m³/s
Mean elev.
29m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
9 dept-equivalent regions (GADM L2)
- VallentunaStockholm · Sweden74.4 km²26.7% of basin
- 74.4 km²26.7% of basin
- Upplands-VäsbyStockholm · Sweden71.9 km²25.8% of basin
- 28.5 km²10.2% of basin
- SollentunaStockholm · Sweden28.1 km²10.1% of basin
- 0.8 km²0.3% of basin
- 0.5 km²0.2% of basin
- 0.1 km²0.0% of basin
1 moreFull L2 list
- Upplands-Bro0.0 km² · 0.0%
30 intersecting protected areas
Nature Reserve
5.12 km² overlap
2022049 Södra Törnskogen
IUCN IVNature Reserve
4.24 km² overlap
2022409 Rösjöskogen
IUCN IVNature Reserve
2.01 km² overlap
2000627 Fysingen
IUCN IVNature Reserve
1.84 km² overlap
2058901 Rinkebyskogen
IUCN Not AssignedNature Reserve
1.33 km² overlap
2045230 Norra Törnskogen
IUCN VNature Reserve
1.04 km² overlap
2001395 Björkby-Kyrkviken
IUCN IVNature Reserve
1.00 km² overlap
2041803 Täby prästgård
IUCN IVNature Reserve
0.94 km² overlap
2000140 Hansta
IUCN VNature Reserve
0.73 km² overlap
21 more protected areassorted by overlap area
2061121 Skålhamra kvighage
IUCN IVNature Reserve
0.29 km² overlap
Kärringsjön-Mörtsjön
IUCN Not AssignedNatura 2000 SCI
0.26 km² overlap
Kärringsjön-Mörtsjön
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.26 km² overlap
Prästgården-Skogberga
IUCN IVNatura 2000 SCI
0.25 km² overlap
Prästgården-Skogberga
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.25 km² overlap
2005578 Vallensjö
IUCN IaNature Reserve
0.16 km² overlap
Vallensjö
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.16 km² overlap
Vallensjö
IUCN IaNatura 2000 SCI
0.16 km² overlap
Torsåkers almlund
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.13 km² overlap
Torsåkers almlund
IUCN Not AssignedNatura 2000 SCI
0.13 km² overlap
SK 554-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
0.10 km² overlap
668905163
IUCN Not ApplicableVoluntary set-aside areas
0.06 km² overlap
SK 326-2007
IUCN IVNature conservation agreement, Swedish Forest Agency
0.05 km² overlap
SK 555-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
0.04 km² overlap
315670972
IUCN Not ApplicableVoluntary set-aside areas
0.04 km² overlap
SK 27-2000
IUCN IVNature conservation agreement, Swedish Forest Agency
0.04 km² overlap
SK 719-2003
IUCN IaHabitat Protection Area
0.03 km² overlap
2003097 Torsåkers egendom
IUCN Not AssignedNatural Monument
0.03 km² overlap
2000004 Sättra gård
IUCN IaNature Reserve
0.03 km² overlap
SK 553-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
0.01 km² overlap
2003106 Ravalen
IUCN Not AssignedNatural Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 870 distinct species · 1 058 188 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Väsbyån : 25 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 4 types (connectance 14.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
6,7°C
Annual rain
537mm
Moisture idx (CMI)
-0,06
Runoff
220mm/an
PET
571mm
AET
414mm
Mean slope
2,2°
Water table
125cm
Forest
41%
Crops
36%
Urban
27%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)