Ruisseau· 2 segments

Imatu oja

Crosses 3 administrative regions : Alajõe, Iisaku, Illuka

ruisseau

Total length

15km

Max discharge

0,3m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20802488001233 km²

3 administrative regions crossed (GADM L2)

Iisaku
Ida-Viru · Estonia
10.1 km
in this dpt
Illuka
Ida-Viru · Estonia
5.7 km
in this dpt
Alajõe
Ida-Viru · Estonia
0.0 km
in this dpt

25 intersecting protected areas

Alutaguse rahvuspark
IUCN Not Assigned
National park
Agusalu
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Agusalu
IUCN Not Reported
Special Protection Area (Birds Directive)
Agusalu
IUCN Ib
Wetland of International Importance (Ramsar Site)
Alutaguse RP, Heinasoo skv.
IUCN Ib
Wilderness conservation zone of national park
Alutaguse RP, Imatu skv.
IUCN Ib
Wilderness conservation zone of national park
Alutaguse RP, Veletu skv.
IUCN IV
Managed conservation zone of national park
Alutaguse RP, Agusalu pv.
IUCN VI
Limited management zone of national park
Alutaguse RP, Repna skv.
IUCN IV
Managed conservation zone of national park

16 more protected areassorted by area

VEP nr.103038
IUCN Not Assigned
Woodland key habitat
VEP nr.205612
IUCN Not Assigned
Woodland key habitat
VEP nr.204363
IUCN Not Assigned
Woodland key habitat
VEP nr.211259
IUCN Not Assigned
Woodland key habitat
VEP nr.208144
IUCN Not Assigned
Woodland key habitat
VEP nr.210301
IUCN Not Assigned
Woodland key habitat
VEP nr.208641
IUCN Not Assigned
Woodland key habitat
VEP nr.212198
IUCN Not Assigned
Woodland key habitat
VEP nr.211371
IUCN Not Assigned
Woodland key habitat
VEP nr.208342
IUCN Not Assigned
Woodland key habitat
VEP nr.208347
IUCN Not Assigned
Woodland key habitat
VEP nr.211384
IUCN Not Assigned
Woodland key habitat
VEP nr.211386
IUCN Not Assigned
Woodland key habitat
VEP nr.209941
IUCN Not Assigned
Woodland key habitat
VEP nr.211389
IUCN Not Assigned
Woodland key habitat
VEP nr.211385
IUCN Not Assigned
Woodland key habitat

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

803 distinct species · 3 506 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Imatu oja : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.055

Patrimoniales

Plus dense que (national)0 %(top 100%)

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

Hydrology (HydroRIVERS v10)