Ontologia

HydroBASINS lev08 watershed · #7080389470

Bassin de Columbia River

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Benton, Klickitat, Morrow, Yakima

Pfafstetter: 78250505

Sub-basin area

384km²

Upstream area

545 594,2km²

Discharge

5 403,78m³/s

Mean elev.

231m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Columbia River20 km²

▲ Receives from 2 basins

4 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Umatilla

    IUCN IV

    National Wildlife Refuge

    2.87 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

551 distinct species · 14 255 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 255 obs · 9 cellules
Obs. / cellule
≥ 5 984
5 984–5 983
1 655–5 983
157–1 654
< 157

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 34 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 Bassin de Columbia River : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 109 interactions GloBI sur 4 types (connectance 19.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
109
Connectance
0.194
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

11,5°C

Annual rain

223mm

Moisture idx (CMI)

-0,80

Runoff

34mm/an

PET

1 112mm

AET

195mm

Mean slope

1,9°

Water table

810cm

Forest

11%

Crops

58%

Urban

0%

Protected

6%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)