Rivière· 72 segments
Otter Tail River
Crosses 5 administrative regions : Becker, Clearwater, Otter Tail, Richland, Wilkin
Total length
304km
Max discharge
17,6m³/s
Max Strahler
5
Segments matched
72
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- Otter TailMinnesota · United States224.2 kmin this dpt
- BeckerMinnesota · United States106.9 kmin this dpt
- WilkinMinnesota · United States51.9 kmin this dpt
- RichlandNorth Dakota · United States0.1 kmin this dpt
- ClearwaterMinnesota · United States0.0 kmin this dpt
29 intersecting protected areas
Martin County
IUCN VWaterfowl Production Area
Tamarac
IUCN IVNational Wildlife Refuge
Otter Tail County
IUCN VIWaterfowl Production Area
Easement
Big Stone County
IUCN VWaterfowl Production Area
Pope County
IUCN VWaterfowl Production Area
Permanent
IUCN VWetland Preserve
Permanent
IUCN VWetland Preserve
Otter Tail County
IUCN VWaterfowl Production Area
20 more protected areassorted by area
Reserve Program
Hubbel Pond
IUCN VState Wildlife Management Area
Reserve Program
Orwell
IUCN VState Wildlife Management Area
National Wildlife Refuge
Conservation Easement
Orwell
IUCN VLake
Natural Area
Head Lake
IUCN VState Wildlife Management Area
Davies
IUCN VState Wildlife Management Area
Pickerel
IUCN VState Wildlife Management Area
Shelly Island
IUCN VState Wildlife Management Area
Otter Tail County
IUCN VWaterfowl Production Area
Lake
Otto
IUCN VState Wildlife Management Area
Aquatic Management Area
Lake
Lake
Lake
Fish Hatchery
1 page = 1 named river (aggregation of 72 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
131 distinct species · 693 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Otter Tail River : 32 espèces reliées par 101 interactions GloBI sur 4 types (connectance 10.2%, 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
304km
Max discharge
17,6m³/s
Max Strahler
5
Segments matched
72
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.