Ruisseau· 9 segments

Orajõgi

Crosses 6 administrative regions : Kanepi, Laheda, Põlva, Põlva Vald, Sõmerpalu +1

ruisseau

Total length

43km

Max discharge

1,5m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-20802566601055 km²

6 administrative regions crossed (GADM L2)

Põlva
Põlva · Estonia
22.7 km
in this dpt
Laheda
Põlva · Estonia
14.7 km
in this dpt
Kanepi
Põlva · Estonia
4.1 km
in this dpt
Põlva Vald
Põlva · Estonia
2.1 km
in this dpt
Sõmerpalu
Võru · Estonia
1.9 km
in this dpt
Võru
Võru · Estonia
0.0 km
in this dpt

17 intersecting protected areas

Ahja
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Ahja jõe ürgoru maastikukaitseala
IUCN Not Assigned
Protected landscape (nature park)
Ahja jõe ürgoru MKA, Ahja jõe pv.
IUCN V
Limited management zone of protected landscape
Ahja jõe ürgoru MKA, Ahja skv.
IUCN Ib
Wilderness conservation zone of protected landscape
Ahja jõgi
IUCN Not Assigned
Spawning area
Eoste hoiuala
IUCN VI
Limited-conservation area
Intsikurmu parkmets
IUCN V
Limited management zone of protected landscape
VEP nr.206483
IUCN Not Assigned
Woodland key habitat
Tilsi mõisa park
IUCN V
Limited management zone of protected landscape

8 more protected areassorted by area

Põlgaste mõisa park
IUCN V
Limited management zone of protected landscape
Peri mõisa park
IUCN V
Limited management zone of protected landscape
VEP nr.206382
IUCN Not Assigned
Woodland key habitat
VEP nr.208109
IUCN Not Assigned
Woodland key habitat
Himmaste allikad
IUCN III
Protected nature monument
VEP nr.211248
IUCN Not Assigned
Woodland key habitat
VEP nr.206485
IUCN Not Assigned
Woodland key habitat
VEP nr.139049
IUCN Not Assigned
Woodland key habitat

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

147 distinct species · 332 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Orajõgi : 21 espèces reliées par 45 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.119

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)