HydroBASINS lev08 watershed · #7080208090
Bassin de Tahyesco 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 : Cariboo, Central Coast
Sub-basin area
742,1km²
Upstream area
742,3km²
Discharge
17,38m³/s
Mean elev.
1 360m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 739.6 km²99.3% of basin
- 5.6 km²0.7% of basin
2 intersecting protected areas
TWEEDSMUIR PARK
IUCN IIA - Park
743.07 km² overlap
DEAN RIVER CONSERVANCY
IUCN IbConservancy
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
175 distinct species · 261 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Tahyesco River : 22 espèces reliées par 74 interactions GloBI sur 3 types (connectance 13.2%, filtre Serrano α=0.2). 12 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°
1,3°C
Annual rain
796mm
Moisture idx (CMI)
0,26
Runoff
730mm/an
PET
580mm
AET
445mm
Mean slope
10,9°
Water table
436cm
Forest
69%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)