HydroBASINS lev08 watershed · #2080056910
Bassin de Vasteån
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 1 administrative regions : Gotland
Sub-basin area
409,9km²
Upstream area
409,9km²
Discharge
1,61m³/s
Mean elev.
18m
Administrative coverage
30 intersecting protected areas
Bästeträsk
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
57.13 km² overlap
Bästeträsk
IUCN Not AssignedNatura 2000 SCI
57.13 km² overlap
2000452 Hall-Hangvar
IUCN IaNature Reserve
26.77 km² overlap
Hall-Hangvar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
22.77 km² overlap
Hall-Hangvar
IUCN IaNatura 2000 SCI
22.77 km² overlap
2000462 Gotlandskusten
IUCN VNature Conservation Area
21.41 km² overlap
2000444 Bästeträsk
IUCN IaNature Reserve
14.93 km² overlap
2040929 Mölnermyr
IUCN IaNature Reserve
6.49 km² overlap
Mölnermyr
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.72 km² overlap
21 more protected areassorted by overlap area
Mölnermyr
IUCN IaNatura 2000 SCI
5.72 km² overlap
2000419 Langhammars
IUCN IIINature Reserve
4.80 km² overlap
Langhammars
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.78 km² overlap
Langhammars
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.78 km² overlap
Langhammars
IUCN IIINatura 2000 SPA
4.78 km² overlap
Langhammars
IUCN IIINatura 2000 SCI
4.78 km² overlap
Blautmyrskogen
IUCN IaNatura 2000 SCI
3.23 km² overlap
Blautmyrskogen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.23 km² overlap
2000441 Bräntings haid
IUCN Not AssignedNature Reserve
3.23 km² overlap
2000137 Träskmyr och Vasteån
IUCN IVNature Reserve
2.89 km² overlap
Träskmyr
IUCN IVNatura 2000 SCI
2.87 km² overlap
Träskmyr
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.87 km² overlap
Stora Vikers
IUCN Not ReportedSite of Community Importance (Habitats Directive)
2.81 km² overlap
Stora Vikers
IUCN Not AssignedNatura 2000 SCI
2.81 km² overlap
2014655 Ryssnäs
IUCN IaNature Reserve
2.13 km² overlap
Ryssnäs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.13 km² overlap
Ryssnäs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.13 km² overlap
Ryssnäs
IUCN IaNatura 2000 SPA
2.13 km² overlap
Ryssnäs
IUCN IaNatura 2000 SCI
2.13 km² overlap
2002745 Forsviden
IUCN IaNature Reserve
1.98 km² overlap
Forsviden
IUCN IaNatura 2000 SCI
1.98 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 808 distinct species · 137 658 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Vasteån : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 16.5%, filtre Serrano α=0.2). 13 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°
7,0°C
Annual rain
535mm
Moisture idx (CMI)
0,02
Runoff
211mm/an
PET
525mm
AET
385mm
Mean slope
0,8°
Water table
81cm
Forest
81%
Crops
5%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)