National Wildlife Refuge · usa
Sheldon
- Area
- 2 333 km²
- IUCN cat.
- IV
- Year
- 1931
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1931
- Managing authority
- U.S. Fish and Wildlife Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 110 distinct species · 24 044 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 Sheldon : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 4 types (connectance 13.2%, 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).
Hydrology5 basins · 12 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
203,1km
Lake surface here
10,56km²
Basins crossed
5
Max stream order
3
Max drainage
5 815km²
Discharge in basins
0,4m³/s
Mean precip.
286mm/an
Mean T°
6,9°C
Moisture idx
-0,73
Max snow
14%
Mean runoff
73mm/an
Mean elev. (basins)
1 695m
Watersheds crossing here
Lakes (12, top by area)
- Swan Lakearea4,8 km²avg depth6.2 m
- Big Spring Reservoirarea2,1 km²avg depth3.1 m
- Lac 1052778area0,9 km²avg depth3.7 m
- Lac 1052769area0,6 km²avg depth2.9 m
- Lac 1052633area0,5 km²avg depth5.9 m
- Lac 1053115area0,5 km²avg depth4.0 m
- Lac 1052644area0,3 km²avg depth2.4 m
- Lac 1052517area0,3 km²avg depth2.9 m
- Lac 1052588area0,3 km²avg depth4.1 m
Rivers / streams (11, ord ≥ 4)
- Virgin Creekord 3len here56.22 km99%total57 km
- Thousand Creekord 4len here52.97 km76%total69 km
- Catnip Creekord 3len here33.63 km100%total34 km
- Badger Creekord 3len here25.89 km75%total35 km
- Sand Creekord 3len here9.75 km62%total16 km
- North Catnip Creekord 2len here8.31 km100%total8 km
- East Branch Catnip Creekord 2len here7.85 km100%total8 km
- Wall Canyon Creekord 3len here3.99 km12%total32 km
- Bog Hot Creekord 4len here2.31 km21%total11 km
- South Fork Catnip Creekord 1len here2.02 km100%total2 km
- Cottonwood Creekord 3len here0.11 km0%total70 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
- 41.80546, -119.26643
- 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.