Ruisseau· 11 segments
Spearfish Creek
Crosses 2 administrative regions : Butte, Lawrence
Total length
65km
Max discharge
1,1m³/s
Max Strahler
3
Segments matched
11
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- LawrenceSouth Dakota · United States57.9 kmin this dpt
- ButteSouth Dakota · United States0.0 kmin this dpt
1 intersecting protected areas
State
IUCN VRecreation Area
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
618 distinct species · 5 572 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Spearfish Creek : 26 espèces reliées par 122 interactions GloBI sur 6 types (connectance 13.5%, 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).
Hydrology (HydroRIVERS v10)
Total length
65km
Max discharge
1,1m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.