Ontologia

Rivière· 24 segments

Big Run

Crosses 21 administrative regions : Athens, Bracken, Brown, Clark, Clermont +16

rivière

Total length

349km

Max discharge

22,3m³/s

Max Strahler

4

Segments matched

24

River geography21 admin regions · 0 communes

Parent watershed

hybas-7080555510270 km²

21 administrative regions crossed (GADM L2)

  • Nicholas
    West Virginia · United States
    21.3 km
    in this dpt
  • Lawrence
    Pennsylvania · United States
    18.6 km
    in this dpt
  • Muskingum
    Ohio · United States
    16.4 km
    in this dpt
  • Franklin
    Ohio · United States
    15.9 km
    in this dpt
  • Mercer
    Pennsylvania · United States
    13.1 km
    in this dpt
  • Pocahontas
    West Virginia · United States
    9.4 km
    in this dpt
  • Fayette
    Ohio · United States
    8.0 km
    in this dpt
  • Washington
    Ohio · United States
    8.0 km
    in this dpt
  • Webster
    West Virginia · United States
    7.4 km
    in this dpt
  • Clermont
    Ohio · United States
    5.7 km
    in this dpt
  • Marion
    Indiana · United States
    4.9 km
    in this dpt
  • Lewis
    West Virginia · United States
    4.1 km
    in this dpt
  • Randolph
    West Virginia · United States
    3.9 km
    in this dpt
  • Noble
    Ohio · United States
    2.8 km
    in this dpt
  • Athens
    Ohio · United States
    2.3 km
    in this dpt
  • Floyd
    Virginia · United States
    2.3 km
    in this dpt
  • Clark
    Indiana · United States
    1.3 km
    in this dpt
  • Bracken
    Kentucky · United States
    0.7 km
    in this dpt
  • Brown
    Ohio · United States
    0.6 km
    in this dpt
  • Fairfield
    Ohio · United States
    0.0 km
    in this dpt
  • Pickaway
    Ohio · United States
    0.0 km
    in this dpt

11 intersecting protected areas

2 more protected areas

1 page = 1 named river (aggregation of 24 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

59 distinct species · 65 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 Big Run : 21 espèces reliées par 34 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
34
Connectance
0.097
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

349km

Max discharge

22,3m³/s

Max Strahler

4

Segments matched

24

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