Rivière· 85 segments
Oltu Çayı
Crosses 6 administrative regions : Narman, Oltu, Olur, Tortum, Yusufeli +1
Total length
169km
Max discharge
35,4m³/s
Max Strahler
5
Segments matched
85
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
1 page = 1 named river (aggregation of 85 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
86 distinct species · 168 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Oltu Çayı : 29 espèces reliées par 47 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 4 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
169km
Max discharge
35,4m³/s
Max Strahler
5
Segments matched
85
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.