Rivière· 39 segments
Tonsina River
Crosses 1 administrative regions : Valdez-Cordova
Total length
124km
Max discharge
40,8m³/s
Max Strahler
4
Segments matched
39
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Valdez-CordovaAlaska · United States124.8 kmin this dpt
1 page = 1 named river (aggregation of 39 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
68 distinct species · 372 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 Tonsina River : 28 espèces reliées par 37 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 5 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
124km
Max discharge
40,8m³/s
Max Strahler
4
Segments matched
39
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.