HydroBASINS lev08 watershed · #7080320610
Bassin de Snake River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Marshall, Pennington, Polk, Walsh
Sub-basin area
2 466km²
Upstream area
2 466km²
Discharge
4,73m³/s
Mean elev.
286m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Marshall1871.8 km²75.7% of basin
- Polk500.9 km²20.3% of basin
- 100.1 km²4.0% of basin
- 0.7 km²0.0% of basin
27 intersecting protected areas
Thief Lake
IUCN VState Wildlife Management Area
12.81 km² overlap
Pembina
IUCN VState Wildlife Management Area
9.16 km² overlap
Watershed Protection
7.19 km² overlap
Reserve Program
5.16 km² overlap
New Maine
IUCN VState Wildlife Management Area
3.42 km² overlap
Florian
IUCN VState Wildlife Management Area
2.57 km² overlap
Reserve Program
2.33 km² overlap
Reserve Program
1.98 km² overlap
Red River of the North
IUCN VState Wildlife Management Area
1.88 km² overlap
18 more protected areassorted by overlap area
Wright
IUCN VState Wildlife Management Area
1.59 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Marshall, MN
IUCN Not AssignedConservation Easement
1.51 km² overlap
Huntly
IUCN VState Wildlife Management Area
1.45 km² overlap
Easement
1.11 km² overlap
New Folden
IUCN VState Wildlife Management Area
0.81 km² overlap
National Wildlife Refuge
0.78 km² overlap
West Valley
IUCN VState Wildlife Management Area
0.64 km² overlap
Reserve Program
0.63 km² overlap
Watershed Protection
0.63 km² overlap
Big Stone County
IUCN VWaterfowl Production Area
0.53 km² overlap
Reserve Program
0.49 km² overlap
Reserve Program
0.47 km² overlap
Conservation Easement
0.45 km² overlap
Alvarado
IUCN VState Wildlife Management Area
0.41 km² overlap
Spruce Valley
IUCN VState Wildlife Management Area
0.33 km² overlap
Pope County
IUCN VWaterfowl Production Area
0.22 km² overlap
Adolf Elseth Memorial
IUCN VState Wildlife Management Area
0.18 km² overlap
Martin County
IUCN VWaterfowl Production Area
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
938 distinct species · 109 053 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Bassin de Snake River : 22 espèces reliées par 62 interactions GloBI sur 3 types (connectance 13.3%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
3,5°C
Annual rain
504mm
Moisture idx (CMI)
-0,40
Runoff
60mm/an
PET
847mm
AET
434mm
Mean slope
0,1°
Water table
3cm
Forest
2%
Crops
84%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)