Ruisseau· 9 segments
Hamma Hamma River
Crosses 2 administrative regions : Jefferson, Mason
Total length
30km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
9
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- MasonWashington · United States26.8 kmin this dpt
- JeffersonWashington · United States0.0 kmin this dpt
7 intersecting protected areas
Olympic National Park
IUCN VMarine Protected Area
Olympic National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Olympic
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Olympic
IUCN IINational Park
Daniel J. Evans
IUCN IbWilderness Area
Mount Skokomish
IUCN IbWilderness
Hama Hama Balds
IUCN VNatural Area Preserve
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
424 distinct species · 1 321 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Hamma Hamma River : 40 espèces reliées par 67 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 9 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
30km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.