Nordre älvs estuarium
IUCN VWetland of International Importance (Ramsar Site) · 2001
72 km²
Municipality · SWE
Sweden
Species observed
3 275
Observations
286 618
Area
30,6km²
Sample of 30 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).
Tissu écologique de Öckerö : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 4 types (connectance 12.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
3 275 distinct species · 286 618 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
8,3°C
Annual rain
812mm
Warmest m°
18,3°C
Coldest m°
-0,9°C
Elevation: -1 m on average (min -31 m, max 10 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
150km²
Discharge in basins
0,0m³/s
Mean precip.
693mm/an
Mean T°
7,2°C
Moisture idx
0,20
Max snow
19%
Mean runoff
499mm/an
Mean elev. (basins)
12m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Wetland of International Importance (Ramsar Site) · 2001
72 km²
Special Protection Area (Birds Directive) · 1998
71 km²
Special Areas of Conservation (Habitats Directive) · 2011
71 km²
Natura 2000 SPA · 1998
71 km²
Natura 2000 SCI · 1998
71 km²
Marine Protected Area (OSPAR) · 2006
71 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN