Rivière· 55 segments
River Tweed
Crosses 2 administrative regions : NA, Scottish Borders
Total length
165km
Max discharge
88,6m³/s
Max Strahler
5
Segments matched
55
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Scottish BordersScotland · United Kingdom146.1 kmin this dpt
- NAEngland · United Kingdom17.8 kmin this dpt
29 intersecting protected areas
Berwickshire and North Northumberland Coast
IUCN Not ReportedEmerald Network
Berwickshire and North Northumberland Coast
IUCN Not ReportedMarine Protected Area (OSPAR)
Berwick to St Mary's
IUCN IVMarine Conservation Zone
North Northumberland
IUCN VHeritage Coast
Upper Tweeddale
IUCN Not ReportedNational Scenic Area
Tweedsmuir Hills
IUCN IVSite of Special Scientific Interest
Moorfoot Hills
IUCN IVSite of Special Scientific Interest
Moorfoot Hills
IUCN Not ReportedEmerald Network
Eildon and Leaderfoot
IUCN Not ReportedNational Scenic Area
20 more protected areassorted by area
River Tweed
IUCN Not ReportedEmerald Network
River Tweed
IUCN IVSite of Special Scientific Interest
Northumberland Shore
IUCN IVSite of Special Scientific Interest
Site of Special Scientific Interest
Site of Special Scientific Interest
Tweed Estuary
IUCN Not ReportedEmerald Network
Tweed Estuary
IUCN Not ReportedMarine Protected Area (OSPAR)
The Hirsel
IUCN IVSite of Special Scientific Interest
Williamhope
IUCN IVSite of Special Scientific Interest
Borders Woods
IUCN Not ReportedEmerald Network
Glenkinnon Burn
IUCN IVSite of Special Scientific Interest
Tweedwood - Gateheugh
IUCN IVSite of Special Scientific Interest
Bemersyde Moss
IUCN IVNature Reserve
Bemersyde Moss
IUCN IVSite of Special Scientific Interest
Plora Wood
IUCN IVSite of Special Scientific Interest
Newtown St Boswells Woods
IUCN IVSite of Special Scientific Interest
Site of Special Scientific Interest
Nut Wood
IUCN IVSite of Special Scientific Interest
Grieston Quarry
IUCN IIISite of Special Scientific Interest
Thornylee Quarry
IUCN IIISite of Special Scientific Interest
1 page = 1 named river (aggregation of 55 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 436 distinct species · 36 040 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 River Tweed : 12 espèces reliées par 31 interactions GloBI sur 5 types (connectance 22.8%, filtre Serrano α=0.2). 5 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
165km
Max discharge
88,6m³/s
Max Strahler
5
Segments matched
55
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.