HydroBASINS lev08 watershed · #7080441720
Bassin de Tamarack Creek
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 3 administrative regions : La Crosse, Trempealeau, Winona
Sub-basin area
348,8km²
Upstream area
156 025,4km²
Discharge
981,99m³/s
Mean elev.
278m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Trempealeau River1759 km²
- Bassin de Mississippi River210 km²
3 dept-equivalent regions (GADM L2)
- 197.9 km²56.6% of basin
- 137.3 km²39.3% of basin
- 14.2 km²4.1% of basin
18 intersecting protected areas
Wetland of International Importance (Ramsar Site)
18.32 km² overlap
Wildlife And Fish Refuge
10.80 km² overlap
Trempealeau
IUCN IVNational Wildlife Refuge
5.95 km² overlap
Perrot
IUCN Not AssignedState Park
4.97 km² overlap
Refuge
3.53 km² overlap
Refuge
2.49 km² overlap
Tamarack Creek
IUCN VWildlife Area
2.29 km² overlap
Wildlife And Fish Refuge
1.76 km² overlap
King's Bluff
IUCN VState Research Area
0.51 km² overlap
9 more protected areassorted by overlap area
Queen's Bluff
IUCN VState Research Area
0.35 km² overlap
Martin County
IUCN VWaterfowl Production Area
0.27 km² overlap
Scattered Wildlife
IUCN VWildlife Area
0.27 km² overlap
Aquatic Management Area
0.21 km² overlap
Easement
0.16 km² overlap
Aquatic Management Area
0.16 km² overlap
Aquatic Management Area
0.12 km² overlap
Reserve Program
0.05 km² overlap
Wildlife And Fish Refuge
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 103 distinct species · 158 542 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Tamarack Creek : 34 espèces reliées par 78 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 7 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°
7,1°C
Annual rain
828mm
Moisture idx (CMI)
-0,12
Runoff
251mm/an
PET
945mm
AET
701mm
Mean slope
5,6°
Water table
229cm
Forest
49%
Crops
46%
Urban
0%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)