Ruisseau

Jõku jõgi

Crosses 3 administrative regions : Helme, Hummuli, Põdrala

ruisseau

Total length

30km

Max discharge

0,6m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080259230662 km²

3 administrative regions crossed (GADM L2)

Helme
Valga · Estonia
10.2 km
in this dpt
Hummuli
Valga · Estonia
6.8 km
in this dpt
Põdrala
Valga · Estonia
1.6 km
in this dpt

13 intersecting protected areas

Palakmäe
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Õhne jõgi
IUCN Not Assigned
Spawning area
Õhne jõe hoiuala
IUCN VI
Limited-conservation area
VEP nr.112023
IUCN Not Assigned
Woodland key habitat
VEP nr.211894
IUCN Not Assigned
Woodland key habitat
VEP nr.210205
IUCN Not Assigned
Woodland key habitat
VEP nr.112029
IUCN Not Assigned
Woodland key habitat
VEP nr.000706
IUCN Not Assigned
Woodland key habitat
VEP nr.209071
IUCN Not Assigned
Woodland key habitat

4 more protected areassorted by area

VEP nr.207468
IUCN Not Assigned
Woodland key habitat
VEP nr.201024
IUCN Not Assigned
Woodland key habitat
VEP nr.210203
IUCN Not Assigned
Woodland key habitat
VEP nr.206526
IUCN Not Assigned
Woodland key habitat

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

Species present

614 distinct species · 1 312 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Jõku jõgi : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 6 types (connectance 10.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.108

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)