Ontologia

Ruisseau· 6 segments

Alder Creek

Crosses 4 administrative regions : Mariposa, Sacramento, Shasta, Tehama

ruisseau

Total length

1 021km

Max discharge

0,6m³/s

Max Strahler

2

Segments matched

6

River geography4 admin regions · 0 communes

Parent watershed

hybas-7080574640506 km²

4 administrative regions crossed (GADM L2)

  • Tehama
    California · United States
    8.8 km
    in this dpt
  • Mariposa
    California · United States
    7.0 km
    in this dpt
  • Sacramento
    California · United States
    7.0 km
    in this dpt
  • Shasta
    California · United States
    4.9 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

268 distinct species · 9 823 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Alder Creek : 23 espèces reliées par 79 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
79
Connectance
0.159
Patrimoniales
0
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

1 021km

Max discharge

0,6m³/s

Max Strahler

2

Segments matched

6

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