Ontologia

Rivière· 246 segments

Pearl River

Crosses 15 administrative regions : Copiah, Hinds, Jefferson Davis, Lawrence, Leake +10

rivière

Total length

673km

Max discharge

309,8m³/s

Max Strahler

5

Segments matched

246

River geography15 admin regions · 0 communes

Parent watershed

hybas-7080725260598 km²

15 administrative regions crossed (GADM L2)

  • Rankin
    Mississippi · United States
    103.8 km
    in this dpt
  • Lawrence
    Mississippi · United States
    96.1 km
    in this dpt
  • Leake
    Mississippi · United States
    94.4 km
    in this dpt
  • Marion
    Mississippi · United States
    87.5 km
    in this dpt
  • Pearl River
    Mississippi · United States
    78.1 km
    in this dpt
  • Copiah
    Mississippi · United States
    77.7 km
    in this dpt
  • Neshoba
    Mississippi · United States
    54.3 km
    in this dpt
  • Madison
    Mississippi · United States
    51.6 km
    in this dpt
  • Hinds
    Mississippi · United States
    50.8 km
    in this dpt
  • Simpson
    Mississippi · United States
    49.4 km
    in this dpt
  • Washington
    Louisiana · United States
    37.9 km
    in this dpt
  • Saint Tammany
    Louisiana · United States
    15.2 km
    in this dpt
  • Scott
    Mississippi · United States
    5.5 km
    in this dpt
  • Winston
    Mississippi · United States
    1.6 km
    in this dpt
  • Jefferson Davis
    Mississippi · United States
    0.0 km
    in this dpt

18 intersecting protected areas

9 more protected areas

1 page = 1 named river (aggregation of 246 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

35 distinct species · 47 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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

Indicateurs du tissu écologique

Tissu écologique de Pearl River : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
28
Connectance
0.080
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydrology (HydroRIVERS v10)

Total length

673km

Max discharge

309,8m³/s

Max Strahler

5

Segments matched

246

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.