HydroBASINS lev08 watershed · #2080220050

Bassin de Kymijoki

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 3 administrative regions : Kymenlaakso, Päijänne Tavastia

182% lakePfafstetter: 24340015

Sub-basin area

706,2km²

Upstream area

24 636,8km²

Discharge

212,01m³/s

Mean elev.

79m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Kymijoki280 km²

▲ Receives from 2 basins

Bassin de Kymijoki656 km²
Bassin de Koukkujoki626 km²

3 dept-equivalent regions (GADM L2)

Kymenlaakso
Southern Finland · Finland
620.0 km²
87.3% of basin
Päijänne Tavastia
Western Finland · Finland
85.0 km²
12.0% of basin
Päijänne Tavastia
Eastern Finland · Finland
5.3 km²
0.7% of basin

30 intersecting protected areas

Pyhäjärvi
IUCN Not Reported
Special Protection Area (Birds Directive)
4.17 km² overlap
Pyhäjärvi
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
4.17 km² overlap
Kelloniemi
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.93 km² overlap
Marjovuori
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
1.15 km² overlap
Marjovuori
IUCN Not Reported
Special Protection Area (Birds Directive)
1.15 km² overlap
Metsälain erityisen tärkeät elinympäristöt Päijät-Häme
IUCN Not Assigned
Forest habitats of special importance according to the Forest Act (OECM)
0.85 km² overlap
Metsätalouden ympäristötukikohteet Päijät-Häme
IUCN Not Assigned
Forestry environmental aid contracts (OECM)
0.46 km² overlap
Hiidensaari
IUCN Not Reported
Special Protection Area (Birds Directive)
0.44 km² overlap
Hiidensaari
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.44 km² overlap

21 more protected areassorted by overlap area

Metsätalouden ympäristötukikohteet Kymenlaakso
IUCN Not Assigned
Forestry environmental aid contracts (OECM)
0.39 km² overlap
Metsälain erityisen tärkeät elinympäristöt Kymenlaakso
IUCN Not Assigned
Forest habitats of special importance according to the Forest Act (OECM)
0.38 km² overlap
Marjovuoren suojelualue
IUCN IV
Old Growth Forest Reserve
0.36 km² overlap
Tervajärven rotko
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.31 km² overlap
Hiidenvuoren luonnonsuojelualue
IUCN IV
Private Nature Reserve
0.26 km² overlap
Sammalsillansuon luonnonsuojelualue (Suomi100)
IUCN IV
Private Nature Reserve
0.22 km² overlap
Hiirettelänvuori
IUCN IV
Private Nature Reserve
0.18 km² overlap
Hiidensaaren lehtojensuojelualue
IUCN IV
Herb Rich Forest Reserve
0.17 km² overlap
Huhkainvuori
IUCN Not Assigned
Temporary Protection Order
0.17 km² overlap
Esalan lehto
IUCN IV
Private Nature Reserve
0.15 km² overlap
Ukonvuoren luonnonsuojelualue
IUCN IV
Private Nature Reserve
0.15 km² overlap
Kukkomäen metsä
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.15 km² overlap
Kärmesniemenkallio
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.14 km² overlap
Mannistonkallio
IUCN IV
Private Nature Reserve
0.13 km² overlap
Sarakärki
IUCN IV
Private Nature Reserve
0.13 km² overlap
Vitikaisenvuoren luonnonsuojelualue
IUCN IV
Private Nature Reserve
0.13 km² overlap
Arrajoki
IUCN Not Reported
Special Protection Area (Birds Directive)
0.12 km² overlap
Arrajoki
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
0.12 km² overlap
Tuulensuu
IUCN IV
Private Nature Reserve
0.12 km² overlap
Karjettamäen luonnonsuojelualue
IUCN Not Assigned
Temporary Protection Order
0.12 km² overlap
Sääsniemen luonnonsuojelualue
IUCN IV
Private Nature Reserve
0.11 km² overlap

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

Species present

4 510 distinct species · 279 852 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Kymijoki : 21 espèces reliées par 51 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.117

Patrimoniales

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°

4,0°C

Annual rain

635mm

Moisture idx (CMI)

0,14

Runoff

256mm/an

PET

547mm

AET

415mm

Mean slope

3,6°

Water table

144cm

Forest

73%

Crops

12%

Urban

Protected

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