Ruisseau
Hargla oja
Crosses 3 administrative regions : Karula, Mõniste, Taheva
Total length
15km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- TahevaValga · Estonia6.1 kmin this dpt
- KarulaValga · Estonia0.0 kmin this dpt
- MõnisteVõru · Estonia0.0 kmin this dpt
19 intersecting protected areas
Karula
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Karula
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Karula rahvuspark
IUCN Not AssignedNational park
Koiva-Mustjõe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Koiva-Mustjõe luha
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Koiva-Mustjõe maastikukaitseala
IUCN Not AssignedProtected landscape (nature park)
Limited management zone of protected landscape
Wilderness conservation zone of national park
Karula RP, Apjasoo skv.
IUCN IVManaged conservation zone of national park
10 more protected areassorted by area
Managed conservation zone of protected landscape
Mustjõgi
IUCN Not AssignedSpawning area
VEP nr.211002
IUCN Not AssignedWoodland key habitat
VEP nr.212007
IUCN Not AssignedWoodland key habitat
VEP nr.206863
IUCN Not AssignedWoodland key habitat
VEP nr.206842
IUCN Not AssignedWoodland key habitat
VEP nr.212006
IUCN Not AssignedWoodland key habitat
VEP nr.127031
IUCN Not AssignedWoodland key habitat
Hargla oja
IUCN Not AssignedSpawning area
VEP nr.127018
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 096 distinct species · 4 304 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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).
Indicateurs du tissu écologique
Tissu écologique de Hargla oja : 24 espèces reliées par 132 interactions GloBI sur 5 types (connectance 15.3%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
15km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.