Ontologia

HydroBASINS lev08 watershed · #7080430100

Bassin de Willamette 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 3 administrative regions : Benton, Lane, Linn

Pfafstetter: 78220079

Sub-basin area

254,3km²

Upstream area

9 074,5km²

Discharge

323,27m³/s

Mean elev.

100m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Willamette River470 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

1 370 distinct species · 105 363 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

105 363 obs · 8 cellules
Obs. / cellule
≥ 48 971
48 971–48 970
13 599–48 970
11 848–13 598
< 11 848

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

Ecological tissue

Sample of 35 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 Willamette River : 23 espèces reliées par 79 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
79
Connectance
0.133
Patrimoniales
0
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

1 157mm

Moisture idx (CMI)

0,11

Runoff

1 042mm/an

PET

1 025mm

AET

616mm

Mean slope

0,1°

Water table

3cm

Forest

3%

Crops

71%

Urban

6%

Protected

0%

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