Wilderness Area · USA
Lassen Volcanic
- Area
- 318 km²
- IUCN cat.
- Ib
- Year
- 1972
Overview
- Designation
- Wilderness Area
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1972
- Managing authority
- National Park Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 480 distinct species · 26 122 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Lassen Volcanic : 32 espèces reliées par 96 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology4 basins · 5 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
28,3km
Lake surface here
2,69km²
Basins crossed
4
Max stream order
2
Max drainage
28 252km²
Discharge in basins
4,4m³/s
Mean precip.
902mm/an
Mean T°
7,5°C
Moisture idx
-0,15
Max snow
37%
Mean runoff
396mm/an
Mean elev. (basins)
1 568m
Watersheds crossing here
Lakes (5, top by area)
Rivers / streams (10, ord ≥ 4)
- Grassy Creekord 2len here10.59 km100%total11 km
- Kings Creekord 2len here8.28 km84%total10 km
- Hot Springs Creekord 1len here4.01 km41%total10 km
- Mill Creekord 5len here1.20 km1%total221 km
- Manzanita Creekord 2len here0.88 km4%total20 km
- East Fork Hat Creekord 1len here0.88 km39%total2 km
- North Arm Rice Creekord 1len here0.76 km8%total10 km
- North Fork Bailey Creekord 1len here0.72 km16%total5 km
- Butte Creekord 4len here0.55 km0%total214 km
- West Fork Hat Creekord 2len here0.40 km3%total15 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 40.49711, -121.32787
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.