HydroBASINS lev08 watershed · #7080300100
Bassin de Fraser 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 1 administrative regions : Fraser Valley
Sub-basin area
622km²
Upstream area
216 656,5km²
Discharge
2 871,39m³/s
Mean elev.
625m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Silverhope Creek324 km²
- Bassin de Fraser River16 km²
1 dept-equivalent regions (GADM L2)
- 568.8 km²91.2% of basin
9 intersecting protected areas
Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal)
28.79 km² overlap
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
10.99 km² overlap
SASQUATCH PARK
IUCN IIA - Park
4.03 km² overlap
Privately Protected Area
2.48 km² overlap
Agassiz
IUCN IVPrivately Owned Conservation Area
0.46 km² overlap
BRIDAL VEIL FALLS PARK
IUCN IIIA - Park
0.33 km² overlap
FERRY ISLAND PARK
IUCN Not ReportedC - Park
0.31 km² overlap
F.H. BARBER PARK
IUCN IIA - Park
0.08 km² overlap
Cheam Lake
IUCN IVPrivately Owned Conservation Area
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 428 distinct species · 194 511 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Fraser River : 25 espèces reliées par 70 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,0°C
Annual rain
1 470mm
Moisture idx (CMI)
0,49
Runoff
1 330mm/an
PET
736mm
AET
582mm
Mean slope
18,6°
Water table
624cm
Forest
77%
Crops
5%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)