Ontologia

Ruisseau· 2 segments

Town Branch

Crosses 2 administrative regions : Frederick, Loudoun

ruisseau

Total length

186km

Max discharge

0,5m³/s

Max Strahler

1

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-70800414002595 km²

2 administrative regions crossed (GADM L2)

  • Loudoun
    Virginia · United States
    9.9 km
    in this dpt
  • Frederick
    Maryland · United States
    2.2 km
    in this dpt

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 636 distinct species · 56 387 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 49 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 Town Branch : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
49
Interactions affichées
89
Connectance
0.076
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

186km

Max discharge

0,5m³/s

Max Strahler

1

Segments matched

2

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