HydroBASINS lev08 watershed · #2080242160
Bassin · #2080242160
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 4 administrative regions : Järfälla, Sollentuna, Upplands-Bro, Upplands-Väsby
Sub-basin area
106,5km²
Upstream area
4 033,7km²
Discharge
30,28m³/s
Mean elev.
28m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lövstaån420 km²
- Bassin de Väsbyån277 km²
4 dept-equivalent regions (GADM L2)
- Upplands-BroStockholm · Sweden68.3 km²63.8% of basin
- 21.6 km²20.2% of basin
- Upplands-VäsbyStockholm · Sweden14.6 km²13.6% of basin
- SollentunaStockholm · Sweden2.7 km²2.5% of basin
11 intersecting protected areas
2001103 Görväln
IUCN VNature Reserve
6.57 km² overlap
Nature Reserve
3.30 km² overlap
2000004 Sättra gård
IUCN IaNature Reserve
2.10 km² overlap
2001831 Görväln
IUCN VNature Conservation Area
1.99 km² overlap
Nature Reserve
1.79 km² overlap
Nature Reserve
1.31 km² overlap
2000139 Molnsättra
IUCN IaNature Reserve
0.72 km² overlap
2001145 Lejondal
IUCN VNature Reserve
0.32 km² overlap
2000162 Stäketskogen
IUCN IaNature Reserve
0.13 km² overlap
2 more protected areassorted by overlap area
2050839 Stora Ängsnäs
IUCN Not AssignedOthers
0.07 km² overlap
2003071 Översjön, Getholmen
IUCN Not AssignedWildlife and Plant Sanctuary
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 781 distinct species · 198 842 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 · #2080242160 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 3 types (connectance 15.9%, filtre Serrano α=0.2). 8 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°
6,6°C
Annual rain
539mm
Moisture idx (CMI)
-0,06
Runoff
201mm/an
PET
572mm
AET
415mm
Mean slope
2,3°
Water table
160cm
Forest
48%
Crops
46%
Urban
24%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)