Ruisseau

Tõrvase oja

Crosses 3 administrative regions : Aluksne, Mõniste, Taheva

ruisseau

Total length

6km

Max discharge

0,3m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20802687201826 km²

3 administrative regions crossed (GADM L2)

Aluksne
Vidzeme · Latvia
4.7 km
in this dpt
Taheva
Valga · Estonia
2.0 km
in this dpt
Mõniste
Võru · Estonia
1.3 km
in this dpt

30 intersecting protected areas

Koiva-Mustjõe
IUCN Not Reported
Special Protection Area (Birds Directive)
Koiva-Mustjõe luha
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Koiva-Mustjõe maastikukaitseala
IUCN Not Assigned
Protected landscape (nature park)
Koiva-Mustjõe MKA, Koiva pv.
IUCN V
Limited management zone of protected landscape
Melnsalas purvs
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Melnsalas purvs
IUCN Not Reported
Special Protection Area (Birds Directive)
Melnsalas purvs
IUCN IV
Nature Reserve
Peetri jõe
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Lepuru purvs
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

21 more protected areassorted by area

Lepuru purvs
IUCN IV
Nature Reserve
Mustjõgi
IUCN Not Assigned
Spawning area
Peetri jõgi
IUCN Not Assigned
Spawning area
Kalamecu - Markuzu gravas
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Kalamecu un Markuzu gravas
IUCN III
Nature Monument
VEP nr.209666
IUCN Not Assigned
Woodland key habitat
Peetri jõe hoiuala
IUCN VI
Limited-conservation area
VEP nr.212008
IUCN Not Assigned
Woodland key habitat
VEP nr.206067
IUCN Not Assigned
Woodland key habitat
VEP nr.205475
IUCN Not Assigned
Woodland key habitat
VEP nr.000335
IUCN Not Assigned
Woodland key habitat
VEP nr.L01358
IUCN Not Assigned
Woodland key habitat
VEP nr.127009
IUCN Not Assigned
Woodland key habitat
VEP nr.L01276
IUCN Not Assigned
Woodland key habitat
VEP nr.206864
IUCN Not Assigned
Woodland key habitat
VEP nr.L00428
IUCN Not Assigned
Woodland key habitat
VEP nr.205476
IUCN Not Assigned
Woodland key habitat
VEP nr.114046
IUCN Not Assigned
Woodland key habitat
VEP nr.000347
IUCN Not Assigned
Woodland key habitat
VEP nr.210727
IUCN Not Assigned
Woodland key habitat
VEP nr.206840
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

323 distinct species · 908 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Tõrvase oja : 27 espèces reliées par 36 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.064

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)