HydroBASINS lev08 watershed · #7080438750
Bassin de Old Course Saco 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 : Carroll, Coos, Cumberland, Oxford
Sub-basin area
539,9km²
Upstream area
539,9km²
Discharge
20,88m³/s
Mean elev.
255m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 392.5 km²72.5% of basin
- Carroll122.5 km²22.6% of basin
- 16.1 km²3.0% of basin
- Cumberland10.0 km²1.8% of basin
26 intersecting protected areas
Caribou-Speckled Mountain
IUCN IbWilderness
20.92 km² overlap
Watershed
5.75 km² overlap
Heald Bradley Ponds
IUCN VReserve
3.26 km² overlap
Horseshoe Pond II
IUCN VPond
3.06 km² overlap
Wild River
IUCN IbWilderness
1.94 km² overlap
Green Hills
IUCN VPreserve
1.52 km² overlap
Sucker Brook
IUCN VPCL
1.27 km² overlap
Sucker Brook II
IUCN VPrivate Conservation
1.18 km² overlap
Back Pond
IUCN VReserve
1.03 km² overlap
17 more protected areassorted by overlap area
Watershed
0.99 km² overlap
Chip Stockford
IUCN VReserve
0.58 km² overlap
Bear Paw - Mill
IUCN VPond
0.38 km² overlap
Saco River Watershed
IUCN VWatershed
0.34 km² overlap
Weeks Brook
IUCN VConservation Easement
0.28 km² overlap
Bishop Cardinal
IUCN VReserve
0.26 km² overlap
Sucker Brook
IUCN VPrivate Conservation
0.10 km² overlap
Pleasant Mountain
IUCN VPrivate Conservation
0.10 km² overlap
Irion
IUCN VReserve
0.10 km² overlap
Pond
0.09 km² overlap
Cold River C
IUCN VPCL
0.07 km² overlap
Conifer
IUCN VPrivate Conservation
0.07 km² overlap
Wing
IUCN VPreserve
0.06 km² overlap
PCL
0.04 km² overlap
Saco River Floodplain
IUCN VPrivate Conservation
0.04 km² overlap
Mudjekeewis
IUCN VPrivate Conservation
0.03 km² overlap
Cold River C
IUCN VPCL
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 684 distinct species · 108 470 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 Old Course Saco River : 25 espèces reliées par 81 interactions GloBI sur 4 types (connectance 12.2%, filtre Serrano α=0.2). 12 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°
5,8°C
Annual rain
1 172mm
Moisture idx (CMI)
0,22
Runoff
1 149mm/an
PET
902mm
AET
733mm
Mean slope
6,8°
Water table
243cm
Forest
94%
Crops
1%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)