HydroBASINS lev08 watershed · #2080030890
Bassin de Nätraån
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 3 administrative regions : Kramfors, Sollefteå, Örnsköldsvik
Sub-basin area
2 624,9km²
Upstream area
2 624,9km²
Discharge
0,7m³/s
Mean elev.
178m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 1232.1 km²46.6% of basin
- 1022.7 km²38.7% of basin
- 297.6 km²11.3% of basin
30 intersecting protected areas
High Coast
IUCN Not ReportedBaltic Sea Protected Area (HELCOM)
684.67 km² overlap
High Coast / Kvarken Archipelago
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
682.80 km² overlap
2000946 Nordingrå
IUCN VNature Conservation Area
62.01 km² overlap
Skuleskogen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
29.75 km² overlap
Skuleskogen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
29.75 km² overlap
Skuleskogen
IUCN IINatura 2000 SCI
29.75 km² overlap
Skuleskogen
IUCN IINatura 2000 SPA
29.75 km² overlap
2000931 Skuleskogen
IUCN IINational Park
29.74 km² overlap
2058501 Ulvö-havet
IUCN IaNature Reserve
9.21 km² overlap
21 more protected areassorted by overlap area
2000678 Balesudden
IUCN IaNature Reserve
3.86 km² overlap
Balesudden
IUCN IaNatura 2000 SCI
3.86 km² overlap
Balesudden
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.86 km² overlap
2000502 Västanåhöjden
IUCN IaNature Reserve
2.62 km² overlap
Västanåhöjden
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.61 km² overlap
Västanåhöjden
IUCN IaNatura 2000 SCI
2.61 km² overlap
2042986 Pärmsjöskogen
IUCN IaNature Reserve
2.30 km² overlap
2000506 Skuleberget
IUCN IaNature Reserve
2.24 km² overlap
2024069 Kvarnhusberget
IUCN IaNature Reserve
2.02 km² overlap
2022470 Stakamyran
IUCN IaNature Reserve
1.74 km² overlap
2000480 Uvsjön
IUCN IaNature Reserve
1.65 km² overlap
Uvsjön
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.64 km² overlap
Uvsjön
IUCN IaNatura 2000 SCI
1.64 km² overlap
Hummelvik
IUCN IaNatura 2000 SCI
1.59 km² overlap
2000694 Hummelvik
IUCN IaNature Reserve
1.59 km² overlap
Hummelvik
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.59 km² overlap
2046714 Vändåtbäckenskogen
IUCN IaNature Reserve
1.26 km² overlap
2000689 Storön
IUCN IVNature Reserve
1.09 km² overlap
2000688 Rotsidan
IUCN IIINature Reserve
1.08 km² overlap
2000635 Mjältön
IUCN IIINature Reserve
0.94 km² overlap
2043166 Edsbodskogen
IUCN IaNature Reserve
0.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 130 distinct species · 373 918 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 de Nätraån : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 94 interactions GloBI sur 6 types (connectance 17.8%, filtre Serrano α=0.2). 12 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°
2,4°C
Annual rain
644mm
Moisture idx (CMI)
0,21
Runoff
369mm/an
PET
510mm
AET
400mm
Mean slope
6,0°
Water table
303cm
Forest
94%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)