National Preserve · usa
Great Sand Dunes
- Area
- 553 km²
- IUCN cat.
- V
Overview
- Designation
- National Preserve
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
0 - Managing authority
- National Park Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 452 distinct species · 31 132 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Great Sand Dunes : 26 espèces reliées par 96 interactions GloBI sur 3 types (connectance 15.2%, 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).
Hydrology8 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
112,1km
Lake surface here
0,01km²
Basins crossed
8
Max stream order
2
Max drainage
7 516km²
Discharge in basins
0,3m³/s
Mean precip.
370mm/an
Mean T°
4,0°C
Moisture idx
-0,59
Max snow
25%
Mean runoff
8mm/an
Mean elev. (basins)
2 680m
Watersheds crossing here
- Bassin de Little Spring Creeksub-area308,4 km²overlap256.82 km²46%
- Bassin de Sand Creeksub-area217,3 km²overlap169.96 km²31%
- Bassin de San Luis Creeksub-area1 892,6 km²overlap108.75 km²20%
- Bassin de Franklin Eddy Canalsub-area794,1 km²overlap7.58 km²1%
- Bassin de Rio Grande Drainsub-area528,1 km²overlap6.41 km²1%
- Bassin de Muddy Creeksub-area325,8 km²overlap1.72 km²0%
- Bassin de Grape Creeksub-area1 403,6 km²overlap0.71 km²0%
- Bassin de Huerfano Riversub-area378 km²overlap0.57 km²0%
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- Medano Creekord 2len here19.97 km100%total20 km
- Little Spring Creekord 2len here16.98 km68%total25 km
- Cold Creekord 2len here16.20 km100%total16 km
- Sand Creekord 1len here14.48 km84%total17 km
- Big Spring Creekord 2len here13.04 km51%total26 km
- Pole Creekord 2len here12.90 km73%total18 km
- Deadman Creekord 3len here8.48 km30%total28 km
- Mosca Creekord 1len here3.65 km100%total4 km
- North Zapata Creekord 1len here3.29 km13%total26 km
- Arena Creekord 2len here3.13 km48%total7 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
- 37.80983, -105.58129
- 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.