HydroBASINS lev08 watershed · #7080371830
Bassin de Southwest Miramichi River
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 : Northumberland, York
Sub-basin area
589,1km²
Upstream area
2 309,5km²
Discharge
55,67m³/s
Mean elev.
290m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- 447.8 km²75.8% of basin
- 142.9 km²24.2% of basin
4 intersecting protected areas
4029800
IUCN IINature Legacy protected area
7.36 km² overlap
4029700
IUCN IINature Legacy protected area
6.36 km² overlap
4029600
IUCN IINature Legacy protected area
4.89 km² overlap
Spud Brook
IUCN IIProtected Natural Area
2.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
200 distinct species · 551 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Southwest Miramichi River : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 5 types (connectance 15.5%, filtre Serrano α=0.2). 17 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°
3,5°C
Annual rain
1 112mm
Moisture idx (CMI)
0,32
Runoff
730mm/an
PET
759mm
AET
638mm
Mean slope
4,4°
Water table
155cm
Forest
89%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)