HydroBASINS lev08 watershed · #7080556210
Bassin de Truckee 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 : Nevada, Placer
Sub-basin area
530,2km²
Upstream area
1 828,9km²
Discharge
30,71m³/s
Mean elev.
2 049m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Trout Creek987 km²
- Bassin de Marlette Creek312 km²
2 dept-equivalent regions (GADM L2)
- 290.4 km²54.7% of basin
- Nevada240.4 km²45.3% of basin
24 intersecting protected areas
Johnson Canyon
IUCN VPrivate Conservation
2.59 km² overlap
Lower Carpenter Valley
IUCN VPrivate Conservation
2.50 km² overlap
Independence Lake
IUCN VPreserve
1.38 km² overlap
Billy Mack Canyon
IUCN VPrivate Conservation
1.35 km² overlap
SPI_Martis
IUCN Not AssignedConservation Easement
1.28 km² overlap
Truckee River
IUCN VWildlife Area
0.98 km² overlap
Hopkins Ranch
IUCN VPrivate Conservation
0.89 km² overlap
Granite Chief
IUCN IbWilderness
0.81 km² overlap
Bucknam Tract
IUCN Not AssignedConservation Easement
0.67 km² overlap
15 more protected areassorted by overlap area
Elizabethtown Meadows
IUCN VPrivate Conservation
0.57 km² overlap
Pineforest
IUCN VPrivate Conservation
0.53 km² overlap
Reserve
0.37 km² overlap
Hooper LaPlante
IUCN VPrivate Conservation
0.32 km² overlap
Sierra College
IUCN Not AssignedCollege
0.30 km² overlap
Airport Flats
IUCN VPrivate Conservation
0.29 km² overlap
Martis C
IUCN Not AssignedConservation Easement
0.28 km² overlap
Jackass Ridge
IUCN Not AssignedConservation Easement
0.14 km² overlap
Keilhofer
IUCN VPrivate Conservation
0.07 km² overlap
Northstar (NPOA) Meadow
IUCN Not AssignedConservation Easement
0.06 km² overlap
Wintercreek
IUCN VWetland
0.05 km² overlap
Black Wall
IUCN VPrivate Conservation
0.05 km² overlap
Northstar Trimont
IUCN Not AssignedConservation Easement
0.04 km² overlap
Creekside Woods
IUCN VPrivate Conservation
0.01 km² overlap
Hoseit
IUCN VPrivate Conservation
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 314 distinct species · 198 476 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Truckee River : 32 espèces reliées par 77 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 10 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°
5,5°C
Annual rain
906mm
Moisture idx (CMI)
-0,09
Runoff
545mm/an
PET
999mm
AET
558mm
Mean slope
10,6°
Water table
532cm
Forest
98%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)