Ruisseau
James Brook
Crosses 1 administrative regions : Middlesex
Total length
16km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MiddlesexMassachusetts · United States4.0 kmin this dpt
7 intersecting protected areas
Groton Town Forest WCE
IUCN Not AssignedTown Forest
Squannacook River WCE
IUCN Not AssignedConservation Easement
Surrenden Farm West WCE
IUCN Not AssignedConservation Easement
Surrenden Farm Cr
IUCN VLocal Conservation Area
Bates-Blackman
IUCN Not AssignedConservation Area
Indian Hill Road CR
IUCN Not AssignedConservation Easement
Southern Groton James Brook Cr
IUCN Not AssignedConservation Easement
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 104 distinct species · 45 808 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 James Brook : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 4 types (connectance 10.5%, 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).
Hydrology (HydroRIVERS v10)
Total length
16km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.