Rivière· 14 segments

Mascoma River

Crosses 3 administrative regions : Grafton, Sullivan, Windsor

rivière

Total length

57km

Max discharge

221,2m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-70804556001574 km²

3 administrative regions crossed (GADM L2)

Grafton
New Hampshire · United States
48.9 km
in this dpt
Windsor
Vermont · United States
2.8 km
in this dpt
Sullivan
New Hampshire · United States
0.0 km
in this dpt

16 intersecting protected areas

Silvio O. Conte National Fish And
IUCN IV
Wildlife Refuge
Landmark Lands
IUCN V
Private Conservation
Bear
IUCN V
Pond
Dismal (Crow)
IUCN Not Assigned
Conservation Easement
Mascoma River
IUCN V
Wildlife Management Area
Goodwin
IUCN V
Park
Goodwin
IUCN V
Park
Bascetta
IUCN Not Assigned
Conservation Easement
Zeev Darer Memorial
IUCN V
Natural Area

7 more protected areassorted by area

Arzdorf (MWCC)
IUCN Not Assigned
Conservation Easement
Nordic Construction
IUCN V
PCL
Peter Glass, Trustee, Wal-Mart
IUCN V
PCL
Trues Ledges
IUCN V
Conservation Easement
Tunis Brook Mill Lot
IUCN V
PCL
Boulders
IUCN V
Open Space
C.D. Cairns Irrevocable Trust
IUCN V
PCL

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

532 distinct species · 6 185 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Mascoma River : 25 espèces reliées par 66 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.099

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)