Rivière· 35 segments
Coldwater River
Crosses 9 administrative regions : Algoma, Barry, Branch, Calhoun, Ionia +4
Total length
506km
Max discharge
7,1m³/s
Max Strahler
4
Segments matched
35
River geography9 admin regions · 0 communes
9 administrative regions crossed (GADM L2)
- BranchMichigan · United States40.0 kmin this dpt
- SimcoeOntario · Canada30.0 kmin this dpt
- IsabellaMichigan · United States24.1 kmin this dpt
- KentMichigan · United States16.8 kmin this dpt
- AlgomaOntario · Canada16.4 kmin this dpt
- BarryMichigan · United States14.0 kmin this dpt
- IoniaMichigan · United States4.0 kmin this dpt
- Lake SuperiorOntario · Canada3.3 kmin this dpt
- CalhounMichigan · United States0.0 kmin this dpt
18 intersecting protected areas
Provincial Park
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
Middleville State
IUCN VGame Area
Reserve Program
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Nature
IUCN VPreserve
Dolan
IUCN VNature Sanctuary
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Sylvan Solace
IUCN VPreserve
9 more protected areassorted by area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Isabella County 4H Camp
IUCN Not AssignedEasement
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Coldwater River - Dolan
IUCN Not AssignedNatural Area
1 page = 1 named river (aggregation of 35 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
569 distinct species · 13 191 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Coldwater River : 26 espèces reliées par 75 interactions GloBI sur 4 types (connectance 12.6%, 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
506km
Max discharge
7,1m³/s
Max Strahler
4
Segments matched
35
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.