Rivière· 63 segments
Petit Jean River
Crosses 6 administrative regions : Conway, Logan, Perry, Pope, Scott +1
Total length
220km
Max discharge
31,4m³/s
Max Strahler
4
Segments matched
63
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
5 intersecting protected areas
Petit Jean
IUCN VState Wildlife Management Area
Poteau Mountain
IUCN IbWilderness
Reserve Program
Watershed Protection
Us-Ar-76-2
IUCN Not AssignedConservation Easement
1 page = 1 named river (aggregation of 63 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
84 distinct species · 415 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 Petit Jean River : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
220km
Max discharge
31,4m³/s
Max Strahler
4
Segments matched
63
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.