Rivière· 88 segments

Saco River

Crosses 6 administrative regions : Carroll, Coos, Cumberland, Grafton, Oxford +1

rivière

Total length

229km

Max discharge

151,5m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-7080444760474 km²

6 administrative regions crossed (GADM L2)

York
Maine · United States
76.5 km
in this dpt
Carroll
New Hampshire · United States
69.7 km
in this dpt
Oxford
Maine · United States
52.1 km
in this dpt
Cumberland
Maine · United States
28.1 km
in this dpt
Grafton
New Hampshire · United States
3.6 km
in this dpt
Coos
New Hampshire · United States
2.3 km
in this dpt

26 intersecting protected areas

Presidential Range-Dry River
IUCN Ib
Wilderness
Rachel Carson
IUCN Not Assigned
National Wildlife Refuge
Rachel Carson National Wildlife Refuge
IUCN IV
Marine Protected Area
Wetlands Reserve Program (WRP), Rockingham, NH
IUCN V
Reserve Program
Water Supply Lands
IUCN V
Watershed Protection Area
Nancy Brook
IUCN Ia
Research Natural Area
Nancy Brook
IUCN III
National Natural Landmark
Saco River Mount Tom
IUCN V
Private Conservation Land
Saco River
IUCN V
Private Conservation Land

17 more protected areassorted by area

Saco River Floodplain
IUCN V
Private Conservation Land
Wetlands Reserve Program (WRP), Carroll, NH
IUCN V
Reserve Program
Saco River Floodplain
IUCN V
Private Conservation Land
Albany
IUCN V
Town Forest
UNE Vernal Pools
IUCN Not Assigned
Pool
Blandings Park
IUCN V
Wildlife Sanctuary
Black Brook
IUCN V
Conservation Easement
Echo Lake
IUCN III
State Park
Ferry
IUCN III
Beach
Wetlands Reserve Program (WRP), Oxford, ME
IUCN V
Reserve Program
Salmon Falls
IUCN III
State Park
Swan Lake
IUCN III
State Park
Saco Valley Land Trust
IUCN V
PCL
Humphrey's Ledge
IUCN V
Natural Area
Saco River
IUCN Not Assigned
Conservation Easement
Walker Pond
IUCN V
Conservation Land
Poulin Saco River
IUCN V
Private Conservation

1 page = 1 named river (aggregation of 88 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

225 distinct species · 3 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Saco River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 4 types (connectance 10.7%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.107

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)