Svartnö - Kaja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
2 km²
Municipality · ALA
Hammarland
Åland
DfbCold, no dry season, warm summer(100 %)
Species observed
4 661
Observations
44 976
Area
134km²
Ecological tissue
Sample of 29 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Hammarland : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 22.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
96
Connectance
0.221
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 661 distinct species · 44 976 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,4°C
Annual rain
575mm
Warmest m°
19,7°C
Coldest m°
-4,8°C
Elevation: 13 m on average (min -10 m, max 40 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,4°C
Annual rain
575mm
Warmest month
19,7°C
Coldest month
-4,8°C
Mean alt.
13m
Min
-10m
Max
40m
Std. dev.
10m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology1 basins · 3 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Lake surface here
0,80km²
Basins crossed
1
Max stream order
2
Max drainage
1 443km²
Discharge in basins
0,2m³/s
Mean precip.
542mm/an
Mean T°
4,6°C
Moisture idx
0,05
Max snow
36%
Mean runoff
383mm/an
Mean elev. (basins)
12m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas12
IUCN Not Reported · 8IUCN Not Assigned · 4🌊 Marine · 2
SVARTNÖ OCH KAJA-HOLMARNAS NATURSKYDDSOMRÅDE
IUCN Not AssignedPrivate Nature Reserve · 1939
2 km²
Karlträsk
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
0 km²
Lökö
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
0 km²
Lökö naturreservat
IUCN Not AssignedPrivate Nature Reserve · 1800
0 km²
Ängessjö naturreservat
IUCN Not AssignedPrivate Nature Reserve · 2001
0 km²
Complete list12 protected areas
- Svartnö - KajaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20152 km²
- SVARTNÖ OCH KAJA-HOLMARNAS NATURSKYDDSOMRÅDEPrivate Nature ReserveIUCN Not Assigned19392 km²
- KarlträskSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- LököSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- Lökö naturreservatPrivate Nature ReserveIUCN Not Assigned18000 km²
- Ängessjö naturreservatPrivate Nature ReserveIUCN Not Assigned20010 km²
- ÄngesjöSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- MjölkastenSite of Community Importance (Habitats Directive)IUCN Not Reported20220 km²
- Näsgärdan naturreservatPrivate Nature ReserveIUCN Not Assigned20080 km²
- NäsgärdanSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- Brändö(Bovik)Special Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- KattnäsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN