HydroBASINS lev08 watershed · #7080435560
Bassin de Marysville Creek
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 4 administrative regions : Hastings, Lake Ontario, Lennox and Addington, Prince Edward
Sub-basin area
190,9km²
Upstream area
17 905,4km²
Discharge
213,54m³/s
Mean elev.
94m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Salmon River1534 km²
- Bassin de Sawguin Creek289 km²
4 dept-equivalent regions (GADM L2)
- 110.5 km²57.7% of basin
- 30.6 km²16.0% of basin
- 29.5 km²15.4% of basin
- 20.7 km²10.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
998 distinct species · 20 500 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Marysville Creek : 28 espèces reliées par 75 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 8 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°
6,9°C
Annual rain
896mm
Moisture idx (CMI)
0,06
Runoff
402mm/an
PET
847mm
AET
627mm
Mean slope
0,9°
Water table
62cm
Forest
47%
Crops
32%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)