Ontologia

Rivière· 12 segments

Occoquan River

Crosses 2 administrative regions : Fairfax, Prince William

rivière

Total length

49km

Max discharge

20,7m³/s

Max Strahler

4

Segments matched

12

River geography2 admin regions · 0 communes

Parent watershed

hybas-70800414601542 km²

2 administrative regions crossed (GADM L2)

  • Fairfax
    Virginia · United States
    18.5 km
    in this dpt
  • Prince William
    Virginia · United States
    18.0 km
    in this dpt

1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

964 distinct species · 10 815 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 46 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 Occoquan River : 34 espèces reliées par 93 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
47
Interactions affichées
93
Connectance
0.086
Patrimoniales
0
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

49km

Max discharge

20,7m³/s

Max Strahler

4

Segments matched

12

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