Ruisseau
Grizzly Bear Creek
Crosses 2 administrative regions : Custer, Pennington
Total length
29km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- PenningtonSouth Dakota · United States7.2 kmin this dpt
- CusterSouth Dakota · United States0.9 kmin this dpt
3 intersecting protected areas
Wildlife Preserve
Black Elk
IUCN IbWilderness
Mount Rushmore
IUCN IIINational Memorial
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
736 distinct species · 13 450 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Grizzly Bear Creek : 27 espèces reliées par 114 interactions GloBI sur 5 types (connectance 12.6%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
29km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.