Niobrara Valley Preserve Fee
IUCN VPreserve · 1980
209 km²
County · USA
United States
Species observed
1 134
Observations
22 812
Area
2 000,9km²
Sample of 43 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).
Tissu écologique de Keya Paha : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 4 types (connectance 10.9%, 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).
1 134 distinct species · 22 812 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,0°C
Annual rain
611mm
Warmest m°
30,4°C
Coldest m°
-8,6°C
Elevation: 692 m on average (min 552 m, max 786 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,7
Org. C
19,4g/kg
Clay
21,3%
Sand
49,1%
Silt
29,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
174,1km
Lake surface here
0,51km²
Basins crossed
10
Max stream order
5
Max drainage
25 568km²
Discharge in basins
19,4m³/s
Mean precip.
566mm/an
Mean T°
8,9°C
Moisture idx
-0,48
Max snow
12%
Mean runoff
90mm/an
Mean elev. (basins)
688m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,0nW
Built-up
2,1%
Pesticides
8,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Preserve · 1980
209 km²
Preserve Easement · 1998
28 km²
Conservation Easement
8 km²
Wildlife Management Area · 1972
5 km²
Wildlife Management Area · 2000
1 km²
National Scenic River · 1991
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN