HydroBASINS lev08 watershed · #7080655900
Bassin de Petit Jean 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 3 administrative regions : Conway, Perry, Yell
Sub-basin area
93,7km²
Upstream area
2 814,5km²
Discharge
31,39m³/s
Mean elev.
170m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Petit Jean River255 km²
- Bassin de Rose Creek143 km²
3 dept-equivalent regions (GADM L2)
- ConwayArkansas · United States53.2 km²56.8% of basin
- YellArkansas · United States35.5 km²37.9% of basin
- PerryArkansas · United States5.0 km²5.3% of basin
4 intersecting protected areas
Reserve Program
1.74 km² overlap
Watershed Protection
1.41 km² overlap
Us-Ar-76-2
IUCN Not AssignedConservation Easement
0.28 km² overlap
Petit Jean
IUCN VState Wildlife Management Area
0.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
630 distinct species · 8 821 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Petit Jean River : 27 espèces reliées par 86 interactions GloBI sur 4 types (connectance 12.9%, filtre Serrano α=0.2). 10 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°
15,7°C
Annual rain
1 247mm
Moisture idx (CMI)
-0,08
Runoff
334mm/an
PET
1 359mm
AET
999mm
Mean slope
3,6°
Water table
235cm
Forest
72%
Crops
32%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)