HydroBASINS lev08 watershed · #7080440640
Bassin de Kennebec 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 6 administrative regions : Androscoggin, Franklin, Kennebec, Lincoln, Sagadahoc +1
Sub-basin area
1 900,4km²
Upstream area
15 301,9km²
Discharge
335,26m³/s
Mean elev.
82m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sebasticook River2442 km²
- Bassin de Kennebec River992 km²
6 dept-equivalent regions (GADM L2)
- 1545.2 km²81.1% of basin
- 117.5 km²6.2% of basin
- Lincoln102.3 km²5.4% of basin
- 101.3 km²5.3% of basin
- 31.6 km²1.7% of basin
- Franklin1.3 km²0.1% of basin
30 intersecting protected areas
PCL
4.09 km² overlap
Mt. Pisgah
IUCN VConservation Area
2.81 km² overlap
Woodbury Bird Sanctury
IUCN VPrivate Conservation
1.64 km² overlap
Vassalboro
IUCN VWildlife Habitat
1.37 km² overlap
Private Conservation
1.27 km² overlap
Vaughan Woods
IUCN Not AssignedPrivate Conservation
0.67 km² overlap
French Mountain./Watson
IUCN VPond
0.63 km² overlap
Gannett Woods
IUCN VPCL
0.48 km² overlap
Merrymeeting Fields
IUCN VPreserve
0.47 km² overlap
21 more protected areassorted by overlap area
Reserve Program
0.42 km² overlap
Macdonald
IUCN VConservation Area
0.40 km² overlap
Little Cobbossee
IUCN VLake
0.39 km² overlap
Watershed Preserve
0.38 km² overlap
Bog Pond
IUCN VConservation Area
0.38 km² overlap
Peacock Beach
IUCN IIIState Park
0.34 km² overlap
Hutchinson
IUCN VPond
0.33 km² overlap
Davidson
IUCN VNature Preserve
0.32 km² overlap
Gott Pasture
IUCN VPCL
0.29 km² overlap
Merrymeeting Bay
IUCN Not AssignedWildlife Management Area
0.25 km² overlap
Yoray
IUCN VPrivate Conservation
0.21 km² overlap
Wyman
IUCN VMemorial Forest
0.19 km² overlap
Seaward Mills Stream
IUCN VConservation Area
0.19 km² overlap
Wayne
IUCN VSanctuary
0.16 km² overlap
Annie Sturgis
IUCN VSanctuary
0.16 km² overlap
Reynolds
IUCN VForest
0.14 km² overlap
Ingham Stream
IUCN VPreserve
0.11 km² overlap
Hodgdon Island
IUCN VPreserve
0.11 km² overlap
Horseshoe Island
IUCN VPreserve
0.11 km² overlap
Westman Woods
IUCN VPreserve
0.10 km² overlap
Woodbury
IUCN IIIPond
0.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 945 distinct species · 660 674 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 Kennebec River : 25 espèces reliées par 78 interactions GloBI sur 4 types (connectance 12.4%, filtre Serrano α=0.2). 11 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°
7,0°C
Annual rain
1 102mm
Moisture idx (CMI)
0,18
Runoff
868mm/an
PET
898mm
AET
710mm
Mean slope
2,8°
Water table
208cm
Forest
89%
Crops
7%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)