Ontologia

HydroBASINS lev08 watershed · #7080329490

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 2 administrative regions : Douglas, Okanogan

Pfafstetter: 78263001

Sub-basin area

173,4km²

Upstream area

197 763,5km²

Discharge

3 172,26m³/s

Mean elev.

514m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Columbia River361 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

457 distinct species · 46 250 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 250 obs · 6 cellules
Obs. / cellule
≥ 22 224
22 224–22 223
12 248–22 223
7 661–12 247
< 7 661

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

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 Bassin de Columbia River : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 4 types (connectance 15.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
71
Connectance
0.153
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°

8,8°C

Annual rain

288mm

Moisture idx (CMI)

-0,71

Runoff

177mm/an

PET

1 004mm

AET

251mm

Mean slope

5,8°

Water table

795cm

Forest

26%

Crops

50%

Urban

0%

Protected

0%

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