Ruisseau
Piigaste oja
Crosses 4 administrative regions : Kõlleste, Põlva, Valgjärve, Vastse-Kuuste
Total length
19km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
20 intersecting protected areas
Ahja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ihamaru-Tilleoru
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ihamaru looduskaitseala
IUCN Not AssignedNature reserve
Ihamaru LKA, Ihamaru skv.
IUCN IVManaged conservation zone of nature reserve
Ahja jõgi
IUCN Not AssignedSpawning area
Leevi jõgi
IUCN Not AssignedSpawning area
Osõtsuu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Osõtsuu hoiuala
IUCN VILimited-conservation area
Ahja jõe hoiuala
IUCN VILimited-conservation area
11 more protected areassorted by area
VEP nr.207600
IUCN Not AssignedWoodland key habitat
VEP nr.139059
IUCN Not AssignedWoodland key habitat
Hilba jõgi
IUCN Not AssignedSpawning area
Hilba jõe hoiuala
IUCN VILimited-conservation area
VEP nr.211451
IUCN Not AssignedWoodland key habitat
VEP nr.208527
IUCN Not AssignedWoodland key habitat
Piigaste oja
IUCN Not AssignedSpawning area
VEP nr.207601
IUCN Not AssignedWoodland key habitat
VEP nr.139061
IUCN Not AssignedWoodland key habitat
VEP nr.206579
IUCN Not AssignedWoodland key habitat
VEP nr.210146
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
489 distinct species · 1 244 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Piigaste oja : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 7 types (connectance 10.0%, filtre Serrano α=0.2). 11 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
19km
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.