Ruisseau· 3 segments
Little Sewickley Creek
Crosses 2 administrative regions : Allegheny, Westmoreland
Total length
34km
Max discharge
8m³/s
Max Strahler
3
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- WestmorelandPennsylvania · United States16.0 kmin this dpt
- AlleghenyPennsylvania · United States7.1 kmin this dpt
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
699 distinct species · 10 761 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Little Sewickley Creek : 29 espèces reliées par 67 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 13 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
34km
Max discharge
8,0m³/s
Max Strahler
3
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.