Rivière· 73 segments
Penobscot River
Crosses 4 administrative regions : Aroostook, Hancock, Penobscot, Waldo
Total length
263km
Max discharge
460,7m³/s
Max Strahler
6
Segments matched
73
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
10 intersecting protected areas
Sunkhaze Meadows
IUCN VNational Wildlife Refuge
Water Supply Lands
IUCN VWatershed Protection Area
Argyle
IUCN VPCL
Piney Knoll
IUCN VConservation Area
Marsh Island Nat Area
IUCN VPCL
Buck Hill
IUCN VConservation Area
Maine Audubon Society
IUCN VPrivate Conservation
Manter
IUCN VLocal Conservation Area
River Parcel
IUCN VPrivate Conservation
1 more protected areassorted by area
Penobscot Shores
IUCN VPCL
1 page = 1 named river (aggregation of 73 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
123 distinct species · 785 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).
Indicateurs du tissu écologique
Tissu écologique de Penobscot River : 27 espèces reliées par 84 interactions GloBI sur 4 types (connectance 11.9%, 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).
Hydrology (HydroRIVERS v10)
Total length
263km
Max discharge
460,7m³/s
Max Strahler
6
Segments matched
73
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.