Ruisseau· 2 segments
Kotiku oja
Crosses 2 administrative regions : Ahja, Vastse-Kuuste
Total length
11km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Vastse-KuustePõlva · Estonia7.0 kmin this dpt
- AhjaPõlva · Estonia2.2 kmin this dpt
12 intersecting protected areas
Ahja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ahja jõe ürgoru maastikukaitseala
IUCN Not AssignedProtected landscape (nature park)
Limited management zone of protected landscape
Wilderness conservation zone of protected landscape
Akste looduskaitseala
IUCN Not AssignedNature reserve
Akste LKA, Akste skv.
IUCN IVManaged conservation zone of nature reserve
Ahja jõgi
IUCN Not AssignedSpawning area
Limited management zone of protected landscape
Kiidjärve mõisa park
IUCN VLimited management zone of protected landscape
3 more protected areassorted by area
VEP nr.139076
IUCN Not AssignedWoodland key habitat
VEP nr.139073
IUCN Not AssignedWoodland key habitat
VEP nr.139034
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
673 distinct species · 3 302 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Kotiku oja : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 8 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
11km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.