Rivière· 26 segments
Molalla River
Crosses 2 administrative regions : Clackamas, Marion
Total length
86km
Max discharge
38,5m³/s
Max Strahler
4
Segments matched
26
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- ClackamasOregon · United States64.5 kmin this dpt
- MarionOregon · United States0.0 kmin this dpt
1 intersecting protected areas
Table Rock
IUCN IbWilderness Area
1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
238 distinct species · 742 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Molalla River : 32 espèces reliées par 112 interactions GloBI sur 6 types (connectance 10.4%, filtre Serrano α=0.2). 15 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
86km
Max discharge
38,5m³/s
Max Strahler
4
Segments matched
26
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.