Ruisseau· 29 segments

Ottawa River

Crosses 8 administrative regions : Allen, Fulton, Hardin, Lake Erie, Lenawee +3

ruisseau

Total length

134km

Max discharge

9,1m³/s

Max Strahler

Segments matched

River geography8 admin regions · 0 communes

Parent watershed

hybas-70805150601649 km²

8 administrative regions crossed (GADM L2)

Allen
Ohio · United States
98.5 km
in this dpt
Lucas
Ohio · United States
53.1 km
in this dpt
Putnam
Ohio · United States
32.5 km
in this dpt
Hardin
Ohio · United States
18.9 km
in this dpt
Lake Erie
Ohio · United States
2.6 km
in this dpt
Lenawee
Michigan · United States
0.0 km
in this dpt
Fulton
Ohio · United States
0.0 km
in this dpt
Monroe
Michigan · United States
0.0 km
in this dpt

11 intersecting protected areas

Detroit River International Wildlife Refuge
IUCN IV
Marine Protected Area
Erie State
IUCN V
Game Area
Erie Marsh Fee
IUCN V
Private Conservation Land
Wildwood Preserve
IUCN Not Assigned
Metropark
Pickrell Property Acquisition
IUCN Not Assigned
Conservation Area
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Lucas, OH
IUCN V
Watershed Protection
R.A. Stranahan, Sr. Arboretum
IUCN V
Arboretum
Greenspace
IUCN V
Local Conservation Area
Wetlands Reserve Program (WRP), Putnam, OH
IUCN V
Reserve Program

2 more protected areassorted by area

Ottawa Riverwalk Phase III
IUCN V
Trails
Erie State
IUCN V
Game Area

1 page = 1 named river (aggregation of 29 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

63 distinct species · 246 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Ottawa River : 28 espèces reliées par 63 interactions GloBI sur 3 types (connectance 11.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.112

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)