HydroBASINS lev08 watershed · #7080074120
Bassin de Long Valley 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 4 administrative regions : Lassen, Plumas, Sierra, Washoe
Sub-basin area
4 889,1km²
Upstream area
4 889,3km²
Discharge
8,41m³/s
Mean elev.
1 559m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 4193.7 km²85.7% of basin
- 526.8 km²10.8% of basin
- Sierra144.2 km²2.9% of basin
- 30.0 km²0.6% of basin
21 intersecting protected areas
Skedaddle
IUCN IbWilderness Study Area
187.77 km² overlap
Tunnison Mountain
IUCN IbWilderness Study Area
81.61 km² overlap
Five Springs
IUCN IbWilderness Study Area
81.24 km² overlap
Hallelujah Junction
IUCN VWildlife Area
53.21 km² overlap
Honey Lake
IUCN VWildlife Area
30.69 km² overlap
Doyle
IUCN VWildlife Area
29.51 km² overlap
Bass Hill
IUCN VWildlife Area
24.37 km² overlap
Dry Valley Rim
IUCN IbWilderness Study Area
22.59 km² overlap
Caribou
IUCN IbWilderness
15.69 km² overlap
12 more protected areassorted by overlap area
Willow Creek
IUCN VWildlife Area
11.14 km² overlap
Us-Ca-147-20
IUCN Not AssignedConservation Easement
7.53 km² overlap
Reserve Program
5.13 km² overlap
Honey Lake
IUCN VWaterfowl Management Area
4.24 km² overlap
Reserve Program
3.15 km² overlap
Reserve Program
2.40 km² overlap
Babbitt Peak
IUCN IaResearch Natural Area
2.24 km² overlap
Biscar
IUCN VWildlife Area
2.23 km² overlap
Wetlands Reserve Program (WRP), Washoe, NV
IUCN Not AssignedReserve Program
1.34 km² overlap
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program
1.34 km² overlap
Easement
0.11 km² overlap
Bizz Johnson
IUCN VTrail
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 701 distinct species · 216 694 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Long Valley Creek : 20 espèces reliées par 75 interactions GloBI sur 3 types (connectance 19.8%, 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°
7,9°C
Annual rain
402mm
Moisture idx (CMI)
-0,65
Runoff
165mm/an
PET
1 157mm
AET
337mm
Mean slope
6,2°
Water table
337cm
Forest
55%
Crops
7%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)