Rivière· 6 segments
Оланга
Crosses 2 administrative regions : Loukhskiy rayon, Water body
Total length
23km
Max discharge
67,5m³/s
Max Strahler
5
Segments matched
6
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Loukhskiy rayonKarelia · Russia38.0 kmin this dpt
- Water bodyKarelia · Russia1.8 kmin this dpt
1 intersecting protected areas
Paanayarvi
IUCN IbNational Park
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
103 distinct species · 154 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Оланга : 26 espèces reliées par 41 interactions GloBI sur 4 types (connectance 7.3%, 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
23km
Max discharge
67,5m³/s
Max Strahler
5
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.