HydroBASINS lev08 watershed · #7080425700
Bassin de Marys 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 3 administrative regions : Benton, Lane, Lincoln
Sub-basin area
780km²
Upstream area
780,1km²
Discharge
32,35m³/s
Mean elev.
238m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Benton752.6 km²96.3% of basin
- Lincoln26.6 km²3.4% of basin
- Lane2.4 km²0.3% of basin
15 intersecting protected areas
William L. Finley
IUCN IVNational Wildlife Refuge
21.56 km² overlap
Reserve Program
3.50 km² overlap
Bald Hill
IUCN Not AssignedConservation Easement
2.71 km² overlap
National Wildlife Refuge
1.65 km² overlap
Fitton Green
IUCN VNatural Area
1.23 km² overlap
Evergreen Creek Acquisition
0.90 km² overlap
Lone Star
IUCN Not AssignedConservation Easement
0.80 km² overlap
Mulkey Ridge
IUCN VEnvironmental System
0.69 km² overlap
National Wildlife Refuge
0.43 km² overlap
6 more protected areassorted by overlap area
Reserve Program
0.33 km² overlap
National Wildlife Refuge
0.30 km² overlap
Marys River
IUCN VNatural Area
0.29 km² overlap
Lupine Meadows
IUCN VLupine Meadows
0.25 km² overlap
Cardwell Hill (Crisp-Liddell)
0.12 km² overlap
Wren Prairie
IUCN VPrivate Conservation Land
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 768 distinct species · 1 855 232 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Marys River : 19 espèces reliées par 55 interactions GloBI sur 3 types (connectance 14.6%, 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°
10,4°C
Annual rain
1 479mm
Moisture idx (CMI)
0,30
Runoff
1 298mm/an
PET
979mm
AET
637mm
Mean slope
7,9°
Water table
251cm
Forest
72%
Crops
18%
Urban
2%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)