Ruisseau
Perch Brook
Crosses 1 administrative regions : Saint John
Total length
9km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Saint JohnNew Brunswick · Canada3.4 kmin this dpt
10 intersecting protected areas
Loch Alva
IUCN IIProtected Natural Area
Protected Natural Area
Musquash Estuary Marine Protected Area
IUCN Not ReportedMarine Protected Area
4040800
IUCN IINature Legacy protected area
Privately Protected Area
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Privately Protected Area
Privately Protected Area
1 more protected areassorted by area
Protected Natural Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
210 distinct species · 369 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Perch Brook : 38 espèces reliées par 103 interactions GloBI sur 4 types (connectance 9.1%, filtre Serrano α=0.2). 10 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
9km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.