HydroBASINS lev08 watershed · #7080015940

Bassin de East Waterway

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 1 administrative regions : King

Coastal basinPfafstetter: 78310503

Sub-basin area

28km²

Upstream area

28km²

Discharge

0,47m³/s

Mean elev.

36m

Administrative coverage

1 dept-equivalent regions (GADM L2)

King
Washington · United States
24.0 km²
85.4% of basin

9 intersecting protected areas

Seattle Public Utilities Watersheds
IUCN V
Watersheds
0.16 km² overlap
Discovery Park Marine Preserve
IUCN IV
Marine Protected Area
0.15 km² overlap
East Duwamish
IUCN V
Greenbelt
0.07 km² overlap
Sw Queen Anne
IUCN V
Greenbelt
0.05 km² overlap
Magnolia
IUCN V
Greenbelt
0.01 km² overlap
Twelfth West And W Howe
IUCN V
Park
0.00 km² overlap
Carleton Highlands
IUCN V
Local Conservation Area
0.00 km² overlap
Beacon Place
IUCN V
Local Conservation Area
0.00 km² overlap
Klondike Gold Rush
IUCN III
National Historical Park
0.00 km² overlap

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

Species present

3 961 distinct species · 413 361 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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 Bassin de East Waterway : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 10.6%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.106

Patrimoniales

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°

10,9°C

Annual rain

962mm

Moisture idx (CMI)

0,15

Runoff

865mm/an

PET

816mm

AET

542mm

Mean slope

4,0°

Water table

274cm

Forest

Crops

Urban

79%

Protected

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