HydroBASINS lev08 watershed · #7080506780
Bassin de Platte 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 6 administrative regions : Hall, Hamilton, Merrick, Nance, Platte +1
Sub-basin area
951,5km²
Upstream area
153 303,7km²
Discharge
115,5m³/s
Mean elev.
517m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Wood River1705 km²
- Bassin de South Channel Platte River400 km²
6 dept-equivalent regions (GADM L2)
- 652.2 km²68.5% of basin
- Polk147.0 km²15.4% of basin
- Hamilton132.5 km²13.9% of basin
- Hall11.6 km²1.2% of basin
- Platte6.2 km²0.6% of basin
- 3.3 km²0.3% of basin
8 intersecting protected areas
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NE
IUCN VConservation Easement
7.78 km² overlap
Bruce Cowgill
IUCN VWildlife Management Area
0.97 km² overlap
Reserve Program
0.72 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NE
IUCN VConservation Easement
0.52 km² overlap
Polk County
IUCN VWaterfowl Production Area
0.35 km² overlap
Reserve Program
0.32 km² overlap
Reserve Program
0.09 km² overlap
Lone Tree
IUCN VWildlife Management Area
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
879 distinct species · 22 288 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Platte River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 4 types (connectance 9.7%, 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°
10,1°C
Annual rain
677mm
Moisture idx (CMI)
-0,39
Runoff
134mm/an
PET
1 103mm
AET
577mm
Mean slope
0,2°
Water table
35cm
Forest
10%
Crops
76%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)