Ruisseau· 3 segments
Northwest Branch
Crosses 1 administrative regions : Montgomery
Total length
15km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
3
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MontgomeryMaryland · United States9.0 kmin this dpt
5 intersecting protected areas
Duvall Road Nca
IUCN VLocal Conservation Area
Montgomery County
IUCN Not AssignedEasement
Conservation Area
Upper Northwest Branch Stream Restoration Project
IUCN Not AssignedConservation Easement
Llewellyn
IUCN Not AssignedFields
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 646 distinct species · 83 300 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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).
Indicateurs du tissu écologique
Tissu écologique de Northwest Branch : 32 espèces reliées par 92 interactions GloBI sur 4 types (connectance 10.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
15km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.