HydroBASINS lev08 watershed · #2080339980
Bassin de Blackwater
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Clane-Maynooth, Trim
Sub-basin area
197,3km²
Upstream area
197,3km²
Discharge
3,82m³/s
Mean elev.
80m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 127.5 km²64.3% of basin
- 70.7 km²35.7% of basin
1 intersecting protected areas
Hodgestown Bog NHA
IUCN IVNatural Heritage Area
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
980 distinct species · 19 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Bassin de Blackwater : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 6 types (connectance 16.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,1°C
Annual rain
858mm
Moisture idx (CMI)
0,26
Runoff
612mm/an
PET
636mm
AET
528mm
Mean slope
0,7°
Water table
33cm
Forest
1%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)