HydroBASINS lev08 watershed · #7080058110
Bassin de Orchard Creek
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 : Ketchikan Gateway
Sub-basin area
155,5km²
Upstream area
155,5km²
Discharge
13,82m³/s
Mean elev.
492m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 156.2 km²99.9% of basin
2 intersecting protected areas
Misty Fiords
IUCN IbNational Monument Wilderness
7.43 km² overlap
Misty Fiords
IUCN VNational Monument
7.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 41 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Orchard Creek : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
4,7°C
Annual rain
2 525mm
Moisture idx (CMI)
0,79
Runoff
2 568mm/an
PET
538mm
AET
536mm
Mean slope
23,7°
Water table
964cm
Forest
44%
Crops
0%
Urban
0%
Protected
92%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)