Ruisseau· 2 segments

Vidva oja

Crosses 4 administrative regions : Halliste, Karksi, Paistu, Tarvastu

ruisseau

Total length

15km

Max discharge

0,7m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-20802558102719 km²

4 administrative regions crossed (GADM L2)

Karksi
Viljandi · Estonia
9.6 km
in this dpt
Halliste
Viljandi · Estonia
5.8 km
in this dpt
Paistu
Viljandi · Estonia
0.0 km
in this dpt
Tarvastu
Viljandi · Estonia
0.0 km
in this dpt

30 intersecting protected areas

Õisu
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Õisu maastikukaitseala
IUCN Not Assigned
Protected landscape (nature park)
Õisu MKA, Õisu pv.
IUCN V
Limited management zone of protected landscape
Muti
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Muti maastikukaitseala
IUCN Not Assigned
Protected landscape (nature park)
Muti MKA, Muti pv.
IUCN V
Limited management zone of protected landscape
Muti MKA, Mäeküla skv.
IUCN V
Managed conservation zone of protected landscape
Õisu MKA, Õisu jõeoru skv.
IUCN V
Managed conservation zone of protected landscape
VEP nr.123237
IUCN Not Assigned
Woodland key habitat

21 more protected areassorted by area

VEP nr.123236
IUCN Not Assigned
Woodland key habitat
VEP nr.209924
IUCN Not Assigned
Woodland key habitat
VEP nr.133229
IUCN Not Assigned
Woodland key habitat
VEP nr.133228
IUCN Not Assigned
Woodland key habitat
VEP nr.212661
IUCN Not Assigned
Woodland key habitat
VEP nr.207942
IUCN Not Assigned
Woodland key habitat
VEP nr.206791
IUCN Not Assigned
Woodland key habitat
VEP nr.205967
IUCN Not Assigned
Woodland key habitat
VEP nr.212657
IUCN Not Assigned
Woodland key habitat
VEP nr.205968
IUCN Not Assigned
Woodland key habitat
VEP nr.212673
IUCN Not Assigned
Woodland key habitat
VEP nr.212659
IUCN Not Assigned
Woodland key habitat
VEP nr.209925
IUCN Not Assigned
Woodland key habitat
VEP nr.123120
IUCN Not Assigned
Woodland key habitat
VEP nr.211782
IUCN Not Assigned
Woodland key habitat
VEP nr.206299
IUCN Not Assigned
Woodland key habitat
VEP nr.206131
IUCN Not Assigned
Woodland key habitat
VEP nr.133165
IUCN Not Assigned
Woodland key habitat
VEP nr.133164
IUCN Not Assigned
Woodland key habitat
VEP nr.133162
IUCN Not Assigned
Woodland key habitat
VEP nr.211780
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

431 distinct species · 1 468 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 Vidva oja : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 5 types (connectance 7.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.078

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)