HydroBASINS lev08 watershed · #7080431820

Bassin de Antelope 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 4 administrative regions : Hughes, Jones, Lyman, Stanley

43% lakePfafstetter: 74295970

Sub-basin area

608,2km²

Upstream area

621 656,2km²

Discharge

980,01m³/s

Mean elev.

523m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Missouri River1554 km²

▲ Receives from 2 basins

Bassin de Missouri River2709 km²
Bassin de Bad River1577 km²

4 dept-equivalent regions (GADM L2)

Stanley
South Dakota · United States
277.7 km²
45.6% of basin
Hughes
South Dakota · United States
258.8 km²
42.5% of basin
Lyman
South Dakota · United States
72.4 km²
11.9% of basin
Jones
South Dakota · United States
0.5 km²
0.1% of basin

8 intersecting protected areas

Arikara Game Production Area
IUCN V
State Wildlife Management Area
5.31 km² overlap
Farm Island
IUCN V
State Recreation Area
4.67 km² overlap
Laframboise Island
IUCN V
Nature Area
2.35 km² overlap
Antelope Creek Game Production Area
IUCN V
State Game Land
1.23 km² overlap
Antelope Creek
IUCN V
Recreation Area
0.25 km² overlap
State Game Production Area
IUCN V
State Wildlife Management Area
0.14 km² overlap
J Pilote Game Production Area
IUCN V
State Wildlife Management Area
0.13 km² overlap
L Petersen Game Production Area
IUCN V
State Wildlife Management Area
0.06 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

735 distinct species · 50 047 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Antelope Creek : 23 espèces reliées par 61 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.131

Patrimoniales

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

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

Hydroclimate (BasinATLAS lev08)

Mean T°

8,1°C

Annual rain

453mm

Moisture idx (CMI)

-0,57

Runoff

65mm/an

PET

1 065mm

AET

391mm

Mean slope

1,8°

Water table

218cm

Forest

Crops

39%

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)