Ruisseau· 8 segments
Crains Creek
Crosses 2 administrative regions : Black Hawk, Bremer
Total length
45km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
8
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- BremerIowa · United States23.9 kmin this dpt
- Black HawkIowa · United States7.5 kmin this dpt
2 intersecting protected areas
Reserve Program
Sage
IUCN VSanctuary
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
115 distinct species · 230 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 Crains Creek : 33 espèces reliées par 119 interactions GloBI sur 5 types (connectance 13.8%, filtre Serrano α=0.2). 9 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
45km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.