Ontologia

HydroBASINS lev08 watershed · #2080166920

Bassin de Tervajoki

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 1 administrative regions : Kainuu

36% lakePfafstetter: 24360074

Sub-basin area

758,6km²

Upstream area

758,6km²

Discharge

9,03m³/s

Mean elev.

193m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

1 328 distinct species · 27 916 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 916 obs · 26 cellules
Obs. / cellule
≥ 8 845
2 888–8 844
1 021–2 887
575–1 020
< 575

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

Ecological tissue

Sample of 34 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 Bassin de Tervajoki : 22 espèces reliées par 92 interactions GloBI sur 5 types (connectance 16.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
92
Connectance
0.164
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

0,9°C

Annual rain

589mm

Moisture idx (CMI)

0,18

Runoff

376mm/an

PET

484mm

AET

386mm

Mean slope

2,6°

Water table

118cm

Forest

95%

Crops

0%

Urban

0%

Protected

1%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)