HydroBASINS lev08 watershed · #7080016470
Bassin de Tzoonie 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 : Squamish-Lillooet, Sunshine Coast
Sub-basin area
280,6km²
Upstream area
280,6km²
Discharge
15,29m³/s
Mean elev.
1 020m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 272.0 km²96.6% of basin
- 3.2 km²1.1% of basin
4 intersecting protected areas
Sea To Sky Wildland Areas
IUCN Not ApplicableSea To Sky Wildland Areas
3.15 km² overlap
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas
2.19 km² overlap
SECHELT INLETS MARINE PARK
IUCN IIA - Park
0.25 km² overlap
Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal)
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
145 distinct species · 545 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Tzoonie River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 8 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°
4,9°C
Annual rain
1 306mm
Moisture idx (CMI)
0,51
Runoff
1 555mm/an
PET
639mm
AET
518mm
Mean slope
28,0°
Water table
837cm
Forest
47%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)