Ruisseau
Pye Brook
Crosses 1 administrative regions : Essex
Total length
18km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- EssexMassachusetts · United States6.7 kmin this dpt
17 intersecting protected areas
Willowdale
IUCN VIState Forest
Greenbelt
Murray Cr
IUCN Not AssignedConservation Easement
Essex County Greenbelt Association 298-366
IUCN Not AssignedGreenbelt
Trails
Essex County Greenbelt Association 298-1883
IUCN Not AssignedGreenbelt
Stevens Pond
IUCN VConservation Area
Unknown
IUCN VPark
Hood Farm II
IUCN Not AssignedConservation Easement
8 more protected areassorted by area
Perkins Woods
IUCN VLocal Conservation Area
Steward
IUCN VField
Nutter Farm CR
IUCN Not AssignedConservation Easement
Hood Farm I
IUCN Not AssignedConservation Easement
Livermore Woods
IUCN VPCL
Wood Cr
IUCN Not AssignedConservation Easement
Nutter CR
IUCN Not AssignedConservation Easement
MacDougall CR
IUCN Not AssignedConservation Easement
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
898 distinct species · 19 800 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).
Indicateurs du tissu écologique
Tissu écologique de Pye Brook : 30 espèces reliées par 87 interactions GloBI sur 4 types (connectance 9.6%, filtre Serrano α=0.2). 13 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
18km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.