Fleuve
Old Macoupin Creek
⚠ Partial coverage : only 1 named segment matched so far. The real fleuve extends much further (Strahler order 7 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 3 administrative regions : Calhoun, Greene, Jersey
Max discharge
836,2m³/s
Max Strahler
7
Segments matched
1
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- JerseyIllinois · United States1.9 kmin this dpt
- CalhounIllinois · United States0.7 kmin this dpt
- GreeneIllinois · United States0.0 kmin this dpt
1 intersecting protected areas
Wildlife Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
133 distinct species · 376 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Old Macoupin Creek : 30 espèces reliées par 69 interactions GloBI sur 5 types (connectance 8.4%, filtre Serrano α=0.2). 11 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)
Matched len.
9,8km
Max discharge
836,2m³/s
Max Strahler
7
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.