HydroBASINS lev08 watershed · #7080463670
Bassin de Andes 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 2 administrative regions : Charles Mix, Douglas
Sub-basin area
652,9km²
Upstream area
652,9km²
Discharge
1,99m³/s
Mean elev.
477m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 412.5 km²63.1% of basin
- Douglas241.6 km²36.9% of basin
17 intersecting protected areas
Lake Andes
IUCN IVNational Wildlife Refuge
22.29 km² overlap
Charles Mix County
IUCN VWaterfowl Production Area
12.96 km² overlap
Douglas County
IUCN VIWaterfowl Production Area
4.14 km² overlap
Reserve Program
3.13 km² overlap
Douglas County
IUCN VWaterfowl Production Area
1.93 km² overlap
Charles Mix County
IUCN VWaterfowl Production Area
1.79 km² overlap
Douglas County
IUCN VWaterfowl Production Area
1.66 km² overlap
Reserve Program
1.07 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Charles Mix, SD
IUCN VConservation Easement
1.00 km² overlap
8 more protected areassorted by overlap area
Charles Mix County
IUCN VWaterfowl Production Area
0.89 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Douglas, SD
IUCN VConservation Easement
0.85 km² overlap
Reserve Program
0.57 km² overlap
North Point
IUCN VRecreation Area
0.47 km² overlap
State Wildlife Management Area
0.45 km² overlap
Lake Andes Units
IUCN VState Wildlife Management Area
0.22 km² overlap
Red
IUCN VLake
0.10 km² overlap
Lake Andes East
IUCN VWildlife Management Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
546 distinct species · 57 567 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 Andes Creek : 24 espèces reliées par 75 interactions GloBI sur 3 types (connectance 15.1%, filtre Serrano α=0.2). 8 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°
8,8°C
Annual rain
587mm
Moisture idx (CMI)
-0,45
Runoff
87mm/an
PET
1 070mm
AET
502mm
Mean slope
0,8°
Water table
118cm
Forest
5%
Crops
72%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)