Ruisseau· 22 segments
Black River
Crosses 16 administrative regions : Athlone - Moate, Ballinamore, Ballymahon, Birr, Borris-in-Ossory-Mountmellick +11
Total length
3 581km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
22
River geography16 admin regions · 0 communes
16 administrative regions crossed (GADM L2)
- GranardLongford · Ireland11.9 kmin this dpt
- Carrick-on-ShannonLeitrim · Ireland11.1 kmin this dpt
- Cavan-BelturbetCavan · Ireland10.6 kmin this dpt
- Athlone - MoateWestmeath · Ireland6.9 kmin this dpt
- KillaloeClare · Ireland6.6 kmin this dpt
- BallymahonLongford · Ireland6.5 kmin this dpt
- BirrOffaly · Ireland4.1 kmin this dpt
- Claremorris - SwinfordMayo · Ireland1.6 kmin this dpt
- BallinamoreLeitrim · Ireland1.3 kmin this dpt
- LongfordLongford · Ireland0.0 kmin this dpt
- Limerick CityLimerick · Ireland0.0 kmin this dpt
- ManorhamiltonLeitrim · Ireland0.0 kmin this dpt
- TullamoreOffaly · Ireland0.0 kmin this dpt
- RoscommonRoscommon · Ireland0.0 kmin this dpt
- NenaghTipperary · Ireland0.0 kmin this dpt
- Borris-in-Ossory-MountmellickLaois · Ireland0.0 kmin this dpt
9 intersecting protected areas
Lower River Shannon SAC
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Slieve Bernagh Bog SAC
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rinn River NHA
IUCN IVNatural Heritage Area
Cloonageeher Bog NHA
IUCN IVNatural Heritage Area
Clonaslee Eskers and Derry Bog SAC
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Urlaur Lakes SAC
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Derrinea Bog SAC
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Glen Lough SPA
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Lough Glen
IUCN IVWetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 22 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
348 distinct species · 1 051 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Black River : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 16.0%, 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
3 581km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
22
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.