Merenkurkun saaristo /Outer Bothnian Threshold Archipelago (The Quark)
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2005
1 279 km²
Commune · FIN
Jakobstadsregionen
Finland
DfbCold, no dry season, warm summer(77 %)
Species observed
3 843
Observations
134 444
Area
2 605,1km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Jakobstadsregionen : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 19.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
90
Connectance
0.194
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
3 843 distinct species · 134 444 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,9°C
Annual rain
631mm
Warmest m°
19,9°C
Coldest m°
-10,3°C
Elevation: 28 m on average (min -16 m, max 87 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,9°C
Annual rain
631mm
Warmest month
19,9°C
Coldest month
-10,3°C
Mean alt.
28m
Min
-16m
Max
87m
Std. dev.
20m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(77 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,7
Org. C
158,8g/kg
Clay
16,6%
Sand
47,9%
Silt
35,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Ostrobothnia
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,5
Org. C
242,9g/kg
Clay
15,1%
Sand
48,9%
Silt
36,0%
5–15 cm
pH H₂O
4,6
Org. C
169,1g/kg
Clay
15,2%
Sand
49,1%
Silt
35,7%
15–30 cm
pH H₂O
4,9
Org. C
64,5g/kg
Clay
19,4%
Sand
45,8%
Silt
34,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest59.4%
Crops5.5%
Built-up0.1%
Bare soil0.8%
Other (grassland, water…)34.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 39 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
379,7km
Lake surface here
88,87km²
Basins crossed
13
Max stream order
5
Max drainage
4 987km²
Discharge in basins
66,5m³/s
Mean precip.
546mm/an
Mean T°
2,7°C
Moisture idx
0,02
Max snow
52%
Mean runoff
245mm/an
Mean elev. (basins)
44m
Watersheds crossing here
- Bassin de Kurejokisub-area2 555,3 km²overlap509.20 km²20%
- Bassin de Kovjoki åsub-area721,5 km²overlap349.87 km²13%
- Bassin de Hömossbäckensub-area394,4 km²overlap342.94 km²13%
- Bassin de Kronoby åsub-area365,8 km²overlap252.82 km²10%
- Bassin de Perhonjokisub-area467,9 km²overlap251.14 km²10%
- Bassin de Munsala åsub-area864,9 km²overlap242.29 km²9%
- Bassin de Lapuanjokisub-area593,4 km²overlap242.01 km²9%
- Bassin de Kronoby åsub-area248,4 km²overlap113.80 km²4%
- Bassin de Köyhäjokisub-area569,5 km²overlap75.52 km²3%
Lakes (39, top by area)
- Larsmosjönarea61,5 km²avg depth2.2 m
- Storträsketarea5,2 km²avg depth5.7 m
- Narssjönarea1,9 km²avg depth2.4 m
- Rekjärvarea1,6 km²avg depth4.7 m
- Huvudsjönarea1,2 km²avg depth3.6 m
- Hemsjönarea1,2 km²avg depth3.8 m
- Peckassjönarea1,2 km²avg depth3.6 m
- Sääksjärviarea1,1 km²avg depth3.1 m
- Tvärasjönarea1,1 km²avg depth4.1 m
30 more lakes
- Emmes-Storträsketarea1,1 km²avg depth3.4 m
- Paasila Storträsketarea1 km²avg depth2.9 m
- Lac 1250694area1 km²avg depth1.7 m
- Lac 1255335area0,8 km²avg depth4.0 m
- Lac 1253273area0,8 km²avg depth4.3 m
- Lac 1252602area0,7 km²avg depth2.3 m
- Lac 1252221area0,6 km²avg depth3.0 m
- Lac 1254775area0,6 km²avg depth4.5 m
- Lac 1254728area0,6 km²avg depth3.0 m
- Lac 1252923area0,6 km²avg depth1.5 m
- Lac 1252102area0,5 km²avg depth2.6 m
- Lac 1254928area0,5 km²avg depth4.5 m
- Lac 1254908area0,4 km²avg depth4.8 m
- Lac 1256220area0,4 km²avg depth3.0 m
- Lac 1251722area0,4 km²avg depth3.2 m
- Lac 1251277area0,4 km²avg depth2.2 m
- Lac 1254410area0,4 km²avg depth2.4 m
- Lac 1254611area0,3 km²avg depth3.4 m
- Lac 1252861area0,3 km²avg depth2.9 m
- Lac 1255408area0,3 km²avg depth3.2 m
- Lac 1253839area0,3 km²avg depth3.6 m
- Lac 1255106area0,3 km²avg depth2.9 m
- Lac 1252485area0,3 km²avg depth3.3 m
- Lac 1253486area0,2 km²avg depth1.3 m
- Lac 1255050area0,2 km²avg depth3.1 m
- Lac 1252039area0,2 km²avg depth1.3 m
- Lac 1255144area0,2 km²avg depth2.5 m
- Lac 1256209area0,2 km²avg depth2.6 m
- Lac 1255374area0,2 km²avg depth2.7 m
- Lac 1252138area0,1 km²avg depth0.8 m
Rivers / streams (39, ord ≥ 4)
- Esse åord 4len here29.83 km100%total30 km
- Kronoby åord 2len here29.07 km89%total33 km
- Kovjoki åord 3len here26.73 km100%total27 km
- Perhonjokiord 5len here24.92 km22%total113 km
- Kutubäckenord 2len here18.88 km100%total19 km
- Hömossbäckenord 2len here18.48 km100%total18 km
- Lappo åord 5len here16.98 km100%total17 km
- Munsala åord 1len here16.51 km100%total16 km
- Pårasåord 2len here14.80 km100%total15 km
- Mattbäckenord 4len here14.06 km100%total14 km
- Purmo södra åord 2len here13.91 km100%total14 km
- Perkanbäckenord 2len here11.99 km100%total12 km
27 more river segmentssorted by Strahler order + length
- Kronoby åord 2len here10.66 km100%total11 km
- Åvist åord 3len here10.60 km100%total11 km
- Sorvistdiketord 1len here10.36 km100%total10 km
- Nykarleby älvord 5len here10.22 km100%total10 km
- Leppäpuroord 4len here8.57 km68%total13 km
- Kronoby åord 2len here8.33 km100%total8 km
- Purmo åord 2len here8.28 km100%total8 km
- Sundbäcksånord 2len here7.64 km100%total8 km
- Norijokiord 1len here7.52 km100%total8 km
- Isonnevanpäkkiord 3len here7.20 km59%total12 km
- Roklaxdiketord 2len here6.75 km100%total7 km
- Perho åord 3len here5.37 km75%total7 km
- Loilaxbäckenord 5len here5.20 km100%total5 km
- Hirvlaxbäckenord 1len here4.48 km100%total4 km
- Huvudsjöbäckenord 4len here4.30 km100%total4 km
- Purmonjokiord 1len here4.12 km29%total14 km
- Jeussbäckenord 1len here4.08 km100%total4 km
- Faretord 3len here4.03 km100%total4 km
- Kalibäckenord 1len here3.84 km100%total4 km
- Köyhäjokiord 3len here2.83 km8%total38 km
- Porasenjokiord 1len here2.31 km53%total4 km
- Mjölbäckenord 1len here2.01 km100%total2 km
- Kielibäckenord 1len here1.77 km31%total6 km
- Ekoluomaord 5len here1.18 km6%total19 km
- Myrsbäckenord 1len here0.76 km100%total1 km
- Värngjutdiketord 1len here0.70 km101%total1 km
- Lapuanjokiord 5len here0.46 km1%total86 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,0nW
Built-up
14,3%
Pesticides
3,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas100
IUCN IV · 59IUCN Not Reported · 29IUCN Not Assigned · 5IUCN V · 4IUCN Ib · 3🌊 Marine · 41
Merenkurkun saaristo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
1 279 km²
Merenkurkun saaristo
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1998
1 279 km²
Quark Archipelago
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1974
635 km²
Luodon saaristo/Luoto Archipelago
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2005
144 km²
Luodon saaristo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
144 km²
Complete list100 protected areas
- Merenkurkun saaristo /Outer Bothnian Threshold Archipelago (The Quark)Baltic Sea Protected Area (HELCOM)IUCN Not Reported20051 279 km²
- Merenkurkun saaristoSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20151 279 km²
- Merenkurkun saaristoSpecial Protection Area (Birds Directive)IUCN Not Reported19981 279 km²
- Quark ArchipelagoWetland of International Importance (Ramsar Site)IUCN Not Reported1974635 km²
- Luodon saaristo/Luoto ArchipelagoBaltic Sea Protected Area (HELCOM)IUCN Not Reported2005144 km²
- Luodon saaristoSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2015144 km²
- Luodon saaristoSpecial Protection Area (Birds Directive)IUCN Not Reported1998144 km²
- Luodon saaristo 88Private Nature ReserveIUCN Ib200645 km²
- Uudenkaarlepyyn saaristo /Uusikaarlepyy ArchipelagoBaltic Sea Protected Area (HELCOM)IUCN Not Reported200532 km²
- Uudenkaarlepyyn saaristoSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201532 km²
- Uudenkaarlepyyn saaristoSpecial Protection Area (Birds Directive)IUCN Not Reported199832 km²
- Kälviän saaristo, Kotolahti ja Pikku-KöyrinenPrivate Nature ReserveIUCN Ib201431 km²
- Vestersundbyn rannat ja saaristoPrivate Nature ReserveIUCN IV200415 km²
- Luodon saaristo 3bPrivate Nature ReserveIUCN IV199614 km²
- Luodon saaristo 97Private Nature ReserveIUCN IV200814 km²
- Paljakanneva-ÅkantmossenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201512 km²
- Metsälain erityisen tärkeät elinympäristöt PohjanmaaForest habitats of special importance according to the Forest Act (OECM)IUCN Not Assigned190012 km²
- Nykarleby skärgård och Bådaviken-Lappo åmynning 2Private Nature ReserveIUCN IV201312 km²
- Metsätalouden ympäristötukikohteet Etelä-PohjanmaaForestry environmental aid contracts (OECM)IUCN Not Assigned190010 km²
- Metsätalouden ympäristötukikohteet PohjanmaaForestry environmental aid contracts (OECM)IUCN Not Assigned19008 km²
- Metsälain erityisen tärkeät elinympäristöt Keski-PohjanmaaForest habitats of special importance according to the Forest Act (OECM)IUCN Not Assigned19007 km²
- Kiimanevan–Ison Köyrisennevan luonnonsuojelualueState Nature ReserveIUCN IV20227 km²
- MesmossenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20157 km²
- Lapuanjokisuisto-BådavikenSpecial Protection Area (Birds Directive)IUCN Not Reported19986 km²
- Lapuanjokisuisto-BådavikenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20156 km²
- HällörsfjärdenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20153 km²
- HällörsfjärdenSpecial Protection Area (Birds Directive)IUCN Not Reported19983 km²
- LOTANIN LUONNONSUOJELUALUEPrivate Nature ReserveIUCN IV19963 km²
- TORSÖN SAARISTOALUE (LUONNONSUOJELPrivate Nature ReserveIUCN IV19933 km²
- Metsätalouden ympäristötukikohteet Keski-PohjanmaaForestry environmental aid contracts (OECM)IUCN Not Assigned19003 km²
- Iso Ristineva - Pikku RistinevaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20153 km²
- ÄhtävänjokiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20153 km²
- PassmossenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20152 km²
- Nykarleby skärgård och Bådaviken - Lappo åmynningPrivate Nature ReserveIUCN IV20122 km²
- LaajalahtiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20152 km²
- LaajalahtiSpecial Protection Area (Birds Directive)IUCN Not Reported19982 km²
- Hällörsfjärden 22 ja LaajalahtiPrivate Nature ReserveIUCN IV20062 km²
- VattenområdenPrivate Nature ReserveIUCN IV20162 km²
- SandsundsfjärdenSpecial Protection Area (Birds Directive)IUCN Not Reported19982 km²
- SandsundsfjärdenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20152 km²
- Laajalahden luonnonsuojelualueState Nature ReserveIUCN IV20222 km²
- TORSÖN 2Private Nature ReserveIUCN IV19961 km²
- Ristineva 7Private Nature ReserveIUCN IV20081 km²
- AngjärvmossenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20151 km²
- PASSMOSSENPrivate Nature ReserveIUCN IV20021 km²
- Hällörsfjärden 21Private Nature ReserveIUCN IV20051 km²
- Mesmossen 2Private Nature ReserveIUCN IV20051 km²
- KalisjönSpecial Protection Area (Birds Directive)IUCN Not Reported19981 km²
- Kiimaneva 1Private Nature ReserveIUCN IV20091 km²
- Iso Ristinevan–Pikku Ristinevan luonnonsuojelualueState Nature ReserveIUCN IV20221 km²
- Angjärvmossen 10Private Nature ReserveIUCN IV20041 km²
- Larsmo skärgård 126Private Nature ReserveIUCN IV20130 km²
- Mesmossen 1Private Nature ReserveIUCN IV20050 km²
- Kalisjö 2Private Nature ReserveIUCN IV20100 km²
- DjuplottbackenSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20150 km²
- Sandsundsfjärden 21Private Nature ReserveIUCN IV20140 km²
- Ristineva5Private Nature ReserveIUCN IV20070 km²
- Ådön 2Private Nature ReserveIUCN IV20100 km²
- Sandsundsfjärden 22Private Nature ReserveIUCN IV20140 km²
- STORSANDEN 7 (KNUTS)Private Nature ReserveIUCN IV20010 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN