HydroBASINS lev08 watershed · #7080588700
Bassin de Marais des Cygnes 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 4 administrative regions : Bates, Linn, Miami, Vernon
Sub-basin area
1 405,1km²
Upstream area
9 775,9km²
Discharge
85,05m³/s
Mean elev.
259m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
4 dept-equivalent regions (GADM L2)
- 1215.1 km²86.4% of basin
- Linn186.8 km²13.3% of basin
- Vernon2.4 km²0.2% of basin
- Miami1.7 km²0.1% of basin
12 intersecting protected areas
Marais Des Cygnes
IUCN IVNational Wildlife Refuge
29.97 km² overlap
Reserve Program
5.61 km² overlap
Marais Des Cygne
IUCN VWildlife Area
3.05 km² overlap
Conservation Area
2.69 km² overlap
Reserve Program
1.64 km² overlap
Old Town
IUCN VAccess
1.20 km² overlap
Ripgut Prairie
IUCN VNatural Area
1.13 km² overlap
Peabody
IUCN VConservation Area
0.56 km² overlap
Harmony Mission Lake
IUCN VConservation Area
0.39 km² overlap
3 more protected areassorted by overlap area
National Wildlife Refuge
0.36 km² overlap
Reserve Program
0.15 km² overlap
Reserve Program
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 515 distinct species · 62 569 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Marais des Cygnes River : 25 espèces reliées par 77 interactions GloBI sur 3 types (connectance 13.7%, filtre Serrano α=0.2). 9 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°
12,9°C
Annual rain
1 045mm
Moisture idx (CMI)
-0,13
Runoff
310mm/an
PET
1 198mm
AET
883mm
Mean slope
0,9°
Water table
69cm
Forest
8%
Crops
54%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)