Rivière· 51 segments
Blackwater
Crosses 3 administrative regions : Armagh City, Banbridge and Craig, Mid Ulster, Monaghan
Total length
343km
Max discharge
32m³/s
Max Strahler
4
Segments matched
51
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Mid UlsterNorthern Ireland · United Kingdom79.0 kmin this dpt
- Armagh City, Banbridge and CraigNorthern Ireland · United Kingdom31.6 kmin this dpt
- MonaghanMonaghan · Ireland28.8 kmin this dpt
14 intersecting protected areas
Lough Neagh & Lough Beg
IUCN IVWetland of International Importance (Ramsar Site)
Lough Neagh and Lough Beg
IUCN Not ReportedEmerald Network
Lough Neagh
IUCN Not ReportedArea of Special Scientific Interest
Caledon and Tynan
IUCN Not ReportedArea of Special Scientific Interest
Peatlands Park
IUCN Not ReportedEmerald Network
Peatlands Park
IUCN Not ReportedArea of Special Scientific Interest
The Argory
IUCN VNature Reserve
Mullenakill & Annagarriff
IUCN Not ReportedNature Reserve
Lough Neagh Islands
IUCN Not ReportedNature Reserve
5 more protected areassorted by area
Benburb - Milltown
IUCN Not ReportedArea of Special Scientific Interest
Fymore Lough
IUCN Not ReportedArea of Special Scientific Interest
Benburb
IUCN Not ReportedArea of Special Scientific Interest
Knocknacloy
IUCN Not ReportedArea of Special Scientific Interest
Drummond Quarry
IUCN Not ReportedArea of Special Scientific Interest
1 page = 1 named river (aggregation of 51 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
506 distinct species · 2 208 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Blackwater : 10 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 4 types (connectance 21.2%, filtre Serrano α=0.2). 2 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
343km
Max discharge
32,0m³/s
Max Strahler
4
Segments matched
51
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.