HydroBASINS lev08 watershed · #7080329420
Bassin de Madden 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 2 administrative regions across 2 countries : Lake, Rainy River
Sub-basin area
415,8km²
Upstream area
3 834,8km²
Discharge
36,97m³/s
Mean elev.
421m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kawishiwi River698 km²
- Bassin de Knife River398 km²
2 dept-equivalent regions (GADM L2)
- 223.8 km²53.7% of basin
- Lake193.3 km²46.3% of basin
2 intersecting protected areas
Provincial Park
254.04 km² overlap
Boundary Waters Canoe Area
IUCN IbWilderness
143.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 029 distinct species · 6 096 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Madden Creek : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 3 types (connectance 10.4%, 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°
2,9°C
Annual rain
695mm
Moisture idx (CMI)
-0,11
Runoff
338mm/an
PET
777mm
AET
584mm
Mean slope
2,5°
Water table
56cm
Forest
70%
Crops
0%
Urban
0%
Protected
87%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)