Färnebofjärden
IUCN IaWetland of International Importance (Ramsar Site) · 2001
169 km²
Municipality · SWE
Gävle
Sweden
DfbCold, no dry season, warm summer(100 %)
Species observed
10 491
Observations
1 003 213
Area
1 783,7km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Gävle : 22 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 6 types (connectance 16.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
78
Connectance
0.168
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
10 491 distinct species · 1 003 213 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,8°C
Annual rain
691mm
Warmest m°
21,5°C
Coldest m°
-6,6°C
Elevation: 49 m on average (min -16 m, max 112 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,8°C
Annual rain
691mm
Warmest month
21,5°C
Coldest month
-6,6°C
Mean alt.
49m
Min
-16m
Max
112m
Std. dev.
23m
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)
Soil & lithology
pH H₂O
4,9
Org. C
124,2g/kg
Clay
21,9%
Sand
40,7%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vaGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,7
Org. C
165,7g/kg
Clay
21,4%
Sand
41,1%
Silt
37,5%
5–15 cm
pH H₂O
4,8
Org. C
158,3g/kg
Clay
21,2%
Sand
40,9%
Silt
37,9%
15–30 cm
pH H₂O
5,1
Org. C
48,5g/kg
Clay
23,2%
Sand
40,2%
Silt
36,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest65.1%
Crops3.0%
Built-up0.2%
Bare soil0.4%
Other (grassland, water…)31.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 50 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
228,1km
Lake surface here
170,36km²
Basins crossed
11
Max stream order
6
Max drainage
28 435km²
Discharge in basins
307,8m³/s
Mean precip.
619mm/an
Mean T°
4,7°C
Moisture idx
0,08
Max snow
51%
Mean runoff
324mm/an
Mean elev. (basins)
84m
Watersheds crossing here
- Bassin de Dalälvensub-area742,9 km²overlap461.84 km²26%
- Bassin de Hoånsub-area2 010,5 km²overlap298.57 km²17%
- Bassin de Trödjeånsub-area229 km²overlap206.25 km²12%
- Bassin de Hemlingbybäckensub-area235,3 km²overlap196.52 km²11%
- Bassin de Testeboånsub-area1 586,4 km²overlap171.53 km²10%
- Bassin de Gopånsub-area463 km²overlap152.72 km²9%
- Bassin de Skärjånsub-area308,5 km²overlap120.34 km²7%
- Bassin de Ålboånsub-area177,6 km²overlap90.85 km²5%
- Bassin de Testeboånsub-area28 km²overlap28.18 km²2%
2 more basinssorted by overlap
Lakes (50, top by area)
- Storsjönarea69,9 km²avg depth9.4 m
- Somfarsjönarea59,9 km²avg depth7.3 m
- Hedesundafjärdarnaarea31,1 km²avg depth9.8 m
- Öjarenarea19,5 km²avg depth6.6 m
- Viksjönarea14,5 km²avg depth5.6 m
- Hamrångefjärdenarea13,6 km²avg depth5.4 m
- Untrafjärdenarea9,1 km²avg depth7.9 m
- Lundbosjönarea5,3 km²avg depth5.4 m
- Tröskenarea4,5 km²avg depth2.9 m
41 more lakes
- Ingsjönarea4 km²avg depth5.8 m
- Stora Dammsjönarea3,8 km²avg depth5.1 m
- Bysjönarea3,1 km²avg depth10.3 m
- Vittersjönarea2,8 km²avg depth7.3 m
- Tönnebrosjönarea2,6 km²avg depth4.7 m
- Lake #54989area2,5 km²avg depth5.4 m
- Kågbosjönarea2,1 km²avg depth4.8 m
- Hillesjönarea1,5 km²avg depth1.7 m
- Skarvsjönarea1,5 km²avg depth6.2 m
- Storfjärdenarea1,4 km²avg depth1.7 m
- Valsjönarea1,1 km²avg depth6.8 m
- Lac 1282179area1 km²avg depth2.3 m
- Lac 1283095area0,9 km²avg depth6.2 m
- Lac 1281208area0,9 km²avg depth3.9 m
- Lac 1283116area0,9 km²avg depth6.4 m
- Lac 1281497area0,8 km²avg depth4.2 m
- Lac 1280148area0,8 km²avg depth4.0 m
- Lac 1281054area0,8 km²avg depth4.0 m
- Lac 1282009area0,8 km²avg depth3.9 m
- Lac 1283891area0,8 km²avg depth7.6 m
- Lac 1281861area0,7 km²avg depth4.9 m
- Lac 1284691area0,7 km²avg depth6.1 m
- Lac 1284251area0,6 km²avg depth4.8 m
- Lac 1280229area0,6 km²avg depth2.9 m
- Lac 1283943area0,6 km²avg depth5.9 m
- Lac 1284485area0,5 km²avg depth3.6 m
- Lac 1284414area0,4 km²avg depth4.6 m
- Lac 1280628area0,4 km²avg depth3.5 m
- Lac 1284564area0,4 km²avg depth4.1 m
- Lac 1279909area0,4 km²avg depth2.7 m
- Lac 1280071area0,4 km²avg depth3.0 m
- Lac 1281127area0,4 km²avg depth3.7 m
- Lac 1284462area0,4 km²avg depth3.7 m
- Lac 1284285area0,3 km²avg depth6.0 m
- Lac 1284496area0,3 km²avg depth4.5 m
- Lac 1284434area0,3 km²avg depth6.3 m
- Lac 1280687area0,3 km²avg depth4.3 m
- Lac 1282626area0,3 km²avg depth2.1 m
- Lac 1281261area0,2 km²avg depth2.5 m
- Lac 1284394area0,2 km²avg depth4.5 m
- Lac 1281793area0,2 km²avg depth2.6 m
Rivers / streams (24, ord ≥ 4)
- Dalälvenord 6len here31.18 km12%total261 km
- Gavleånord 4len here22.29 km100%total22 km
- Hemlingbybäckenord 1len here18.01 km100%total18 km
- Valsjöbäckenord 4len here16.93 km100%total17 km
- Oppalaånord 4len here16.21 km100%total16 km
- Testeboånord 4len here11.96 km27%total44 km
- Myckelbäckord 2len here11.73 km100%total12 km
- Hamrångeånord 3len here11.70 km100%total12 km
- Kungsängsbäckenord 4len here10.97 km100%total11 km
- Ålboånord 2len here9.46 km100%total9 km
- Lerånord 2len here7.41 km62%total12 km
- Trödjeånord 1len here7.36 km92%total8 km
12 more river segmentssorted by Strahler order + length
- Älgängsånord 2len here7.29 km100%total7 km
- Murånord 1len here6.48 km91%total7 km
- Älgsjöbäckenord 1len here6.33 km100%total6 km
- Testeboånord 1len here6.03 km100%total6 km
- Lärkebobäckenord 1len here5.67 km100%total6 km
- Ingsånord 2len here5.57 km49%total11 km
- Gopånord 2len here4.82 km32%total15 km
- Storsjönord 4len here3.83 km11%total34 km
- Lummerbäckenord 1len here2.60 km35%total7 km
- Gavleånord 1len here1.70 km100%total2 km
- Skärjånord 2len here1.44 km8%total18 km
- Lillånord 4len here1.14 km5%total22 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
2,3nW
Built-up
22,8%
Pesticides
1,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas100
IUCN Not Reported · 37IUCN Ia · 27IUCN IV · 13IUCN V · 8IUCN II · 5IUCN Not Assigned · 4IUCN Ib · 3IUCN III · 3🌊 Marine · 23📍 Point sites · 1
2000932 Färnebofjärden
IUCN IINational Park · 1998
105 km²
Axmar
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2008
72 km²
SK 520-2018
IUCN IVNature conservation agreement · 2019
65 km²
Axmar-Gåsholma
IUCN VNatura 2000 SCI · 1998
56 km²
Axmar-Gåsholma
IUCN VNatura 2000 SPA · 1998
56 km²
Complete list100 protected areas
- FärnebofjärdenWetland of International Importance (Ramsar Site)IUCN Ia2001169 km²
- 2000932 FärnebofjärdenNational ParkIUCN II1998105 km²
- AxmarBaltic Sea Protected Area (HELCOM)IUCN Not Reported200872 km²
- SK 520-2018Nature conservation agreementIUCN IV201965 km²
- Axmar-GåsholmaNatura 2000 SCIIUCN V199856 km²
- Axmar-GåsholmaNatura 2000 SPAIUCN V199856 km²
- Axmar-GåsholmaSpecial Protection Area (Birds Directive)IUCN Not Reported199856 km²
- Axmar-GåsholmaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201156 km²
- 2000463 AxmarNature ReserveIUCN V197855 km²
- Färnebofjärden sydNatura 2000 SPAIUCN II200052 km²
- Färnebofjärden sydNatura 2000 SCIIUCN II200052 km²
- Färnebofjärden sydSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201152 km²
- Färnebofjärden sydSpecial Protection Area (Birds Directive)IUCN Not Reported200052 km²
- FärnebofjärdenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201151 km²
- FärnebofjärdenSpecial Protection Area (Birds Directive)IUCN Not Reported200051 km²
- FärnebofjärdenNatura 2000 SPAIUCN II200051 km²
- FärnebofjärdenNatura 2000 SCIIUCN II200051 km²
- TjursöarkipelagenNatura 2000 SPAIUCN Ia200019 km²
- TjursöarkipelagenSpecial Protection Area (Birds Directive)IUCN Not Reported200019 km²
- 2014009 Tjursö-arkipelagenNature ReserveIUCN Ia202419 km²
- Myrar öster om ÖjarenNatura 2000 SCIIUCN Not Assigned199817 km²
- Myrar öster om ÖjarenNatura 2000 SPAIUCN Not Assigned199817 km²
- Myrar öster om ÖjarenSpecial Protection Area (Birds Directive)IUCN Not Reported199817 km²
- Myrar öster om ÖjarenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201117 km²
- 2002531 BåtforsNature ReserveIUCN Ia199116 km²
- BåtforsNatura 2000 SCIIUCN Ia199516 km²
- BåtforsNatura 2000 SPAIUCN Ia199616 km²
- BåtforsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201116 km²
- BåtforsSpecial Protection Area (Birds Directive)IUCN Not Reported199616 km²
- HedesundafjärdenNatura 2000 SPAIUCN Ib199613 km²
- HedesundafjärdenSpecial Protection Area (Birds Directive)IUCN Not Reported199613 km²
- 2052181 LundbosjönNature ReserveIUCN Ia201911 km²
- 2042628 OrarnaNature ReserveIUCN IV201611 km²
- Jordbärsmuren-ÅlboNatura 2000 SCIIUCN Ia199710 km²
- Jordbärsmuren-ÅlboNatura 2000 SPAIUCN Ia199610 km²
- 2000714 Jordbärsmuren - ÅlboNature ReserveIUCN Ia199010 km²
- Jordbärsmuren-ÅlboSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201110 km²
- Jordbärsmuren-ÅlboSpecial Protection Area (Birds Directive)IUCN Not Reported199610 km²
- 2001900 HedesundafjärdenNature ReserveIUCN Ib19999 km²
- PellesbergetNatura 2000 SCIIUCN Ib19989 km²
- PellesbergetSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20119 km²
- 2001182 HemlingbyNature Conservation AreaIUCN V19899 km²
- 2052764 LomsmurenNature ReserveIUCN Ia20208 km²
- OrarnaNatura 2000 SPAIUCN IV19987 km²
- OrarnaNatura 2000 SCIIUCN IV19987 km²
- OrarnaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20117 km²
- OrarnaSpecial Protection Area (Birds Directive)IUCN Not Reported19987 km²
- LomsmurenNatura 2000 SPAIUCN Ia20007 km²
- LomsmurenNatura 2000 SCIIUCN Ia20007 km²
- LomsmurenSpecial Protection Area (Birds Directive)IUCN Not Reported20007 km²
- LomsmurenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20117 km²
- Gustavsmurarna-Tröskens rikkärrWetland of International Importance (Ramsar Site)IUCN Not Reported20137 km²
- Övre HedesundafjärdenNatura 2000 SCIIUCN Not Assigned20036 km²
- Övre HedesundafjärdenNatura 2000 SPAIUCN Not Assigned20006 km²
- Övre HedesundafjärdenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20116 km²
- Övre HedesundafjärdenSpecial Protection Area (Birds Directive)IUCN Not Reported20006 km²
- TesteboånNatura 2000 SPAIUCN III19985 km²
- TesteboånNatura 2000 SCIIUCN III19985 km²
- TesteboånSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20115 km²
- TesteboånSpecial Protection Area (Birds Directive)IUCN Not Reported19985 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN