Rivière· 27 segments
Ольшанка
Crosses 9 administrative regions : Dubrowna, Dukhovshchinskiy rayon, Ivnyanskiy rayon, Krasninskiy rayon, Ovruts'kyi +4
rivière
Total length
498km
Max discharge
117,8m³/s
Max Strahler
5
Segments matched
27
River geography9 admin regions · 0 communes
9 administrative regions crossed (GADM L2)
- Smolenskiy rayonSmolensk · Russia32.7 kmin this dpt
- Pristenskiy rayonKursk · Russia22.4 kmin this dpt
- Rudnyanskiy rayonSmolensk · Russia19.6 kmin this dpt
- Ovruts'kyiZhytomyr · Ukraine14.3 kmin this dpt
- Krasninskiy rayonSmolensk · Russia11.4 kmin this dpt
- Ivnyanskiy rayonBelgorod · Russia4.8 kmin this dpt
- Dukhovshchinskiy rayonSmolensk · Russia4.6 kmin this dpt
- Prokhorovskiy rayonBelgorod · Russia1.5 kmin this dpt
- DubrownaVitebsk · Belarus1.1 kmin this dpt
1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydrology (HydroRIVERS v10)
Total length
498km
Max discharge
117,8m³/s
Max Strahler
5
Segments matched
27
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.