Ruisseau· 14 segments

First Creek

Crosses 7 administrative regions : Chelan, Idaho, Jefferson, Kittitas, Lane +2

ruisseau

Total length

518km

Max discharge

21,2m³/s

Max Strahler

Segments matched

River geography7 admin regions · 0 communes

Parent watershed

hybas-7080353970258 km²

7 administrative regions crossed (GADM L2)

Kittitas
Washington · United States
19.6 km
in this dpt
Jefferson
Oregon · United States
19.1 km
in this dpt
Chelan
Washington · United States
10.1 km
in this dpt
Okanogan
Washington · United States
8.9 km
in this dpt
Malheur
Oregon · United States
7.5 km
in this dpt
Lane
Oregon · United States
3.4 km
in this dpt
Idaho
Idaho · United States
1.4 km
in this dpt

8 intersecting protected areas

Mount Jefferson
IUCN Ib
Wilderness
Teanaway
IUCN Not Assigned
Conservation Easement
Methow
IUCN V
Wildlife Area Complex
North Fork Middle Fork Willamette, Oregon
IUCN V
Wild and Scenic River
Metolius, Oregon
IUCN V
Wild and Scenic River
Snowhole Rapids
IUCN Ib
Wilderness Study Area
Metolius
IUCN Ia
Research Natural Area
Hidden Valley Guest Ranch
IUCN Not Assigned
Conservation Easement

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

13 distinct species · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 8 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de First Creek : 8 espèces reliées par 6 interactions GloBI sur 1 type (connectance 21.4%, filtre Serrano α=0.2).

Espèces affichées

Interactions affichées

Connectance

0.214

Patrimoniales

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)