Ontologia

Rivière· 3 segments

Marr Branch

Crosses 2 administrative regions : Fayette, Swain

rivière

Total length

8km

Max discharge

305m³/s

Max Strahler

5

Segments matched

3

River geography2 admin regions · 0 communes

Parent watershed

hybas-70805857001773 km²

2 administrative regions crossed (GADM L2)

  • Fayette
    West Virginia · United States
    6.2 km
    in this dpt
  • Swain
    North Carolina · United States
    0.7 km
    in this dpt

2 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

61 distinct species · 165 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 Marr Branch : 25 espèces reliées par 34 interactions GloBI sur 3 types (connectance 8.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
34
Connectance
0.084
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

8km

Max discharge

305,0m³/s

Max Strahler

5

Segments matched

3

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