Ontologia

Subdivision · FIN

Alajärvi

Finland

DfcCold, no dry season, cold summer(100 %)

Species observed

1 874

Observations

19 810

Area

770km²

Ecological tissue

Sample of 37 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 Alajärvi : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 4 types (connectance 14.8%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
110
Connectance
0.148
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

1 874 distinct species · 19 810 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 810 obs · 27 cellules
Obs. / cellule
≥ 1 991
1 871–1 990
960–1 870
543–959
< 543

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

3,4°C

Annual rain

714mm

Warmest m°

20,1°C

Coldest m°

-11,0°C

Elevation: 131 m on average (min 67 m, max 206 m)

Bioclimatic detailsExpert
Annual mean temp.
3,4°C
Annual rain
714mm
Warmest month
20,1°C
Coldest month
-11,0°C
Mean alt.
131m
Min
67m
Max
206m
Std. dev.
28m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,8

Org. C

152,0g/kg

Clay

12,5%

Sand

53,8%

Silt

33,7%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: paGLiMaggregated to Southern Ostrobothnia

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
244,9g/kg
Clay
12,6%
Sand
53,9%
Silt
33,6%
5–15 cm
pH H₂O
4,7
Org. C
154,8g/kg
Clay
12,4%
Sand
54,0%
Silt
33,6%
15–30 cm
pH H₂O
5,1
Org. C
56,2g/kg
Clay
12,5%
Sand
53,5%
Silt
34,0%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest62.1%
Crops3.8%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)33.4%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 10 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

134,6km

Lake surface here

27,46km²

Basins crossed

4

Max stream order

3

Max drainage

2 555km²

Discharge in basins

6,3m³/s

Mean precip.

563mm/an

Mean T°

2,4°C

Moisture idx

0,05

Max snow

52%

Mean runoff

247mm/an

Mean elev. (basins)

98m

Watersheds crossing here

Lakes (10, top by area)

1 more lakes

Rivers / streams (18, ord ≥ 4)

6 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

5,6%

Pesticides

3,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas26

IUCN IV · 14IUCN Not Reported · 6IUCN Not Assigned · 3IUCN Ib · 3

Pohjoisneva

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2015

23 km²

Hötölamminneva

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2015

13 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN