Ontologia

Ruisseau· 50 segments

Willow Creek

Crosses 13 administrative regions : Amador, Calaveras, Fresno, Lake, Lassen +8

ruisseau

Total length

5 192km

Max discharge

4m³/s

Max Strahler

3

Segments matched

50

River geography13 admin regions · 0 communes

Parent watershed

hybas-70805565001270 km²

13 administrative regions crossed (GADM L2)

  • Plumas
    California · United States
    46.7 km
    in this dpt
  • Lassen
    California · United States
    42.4 km
    in this dpt
  • Madera
    California · United States
    30.7 km
    in this dpt
  • Modoc
    California · United States
    21.1 km
    in this dpt
  • Tehama
    California · United States
    20.6 km
    in this dpt
  • Amador
    California · United States
    17.9 km
    in this dpt
  • Fresno
    California · United States
    15.5 km
    in this dpt
  • Lake
    California · United States
    14.0 km
    in this dpt
  • Sacramento
    California · United States
    13.8 km
    in this dpt
  • Shasta
    California · United States
    13.0 km
    in this dpt
  • Yuba
    California · United States
    8.4 km
    in this dpt
  • Tuolumne
    California · United States
    2.6 km
    in this dpt
  • Calaveras
    California · United States
    0.9 km
    in this dpt

9 intersecting protected areas

1 page = 1 named river (aggregation of 50 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

147 distinct species · 246 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Willow Creek : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
59
Connectance
0.062
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

5 192km

Max discharge

4,0m³/s

Max Strahler

3

Segments matched

50

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.