HydroBASINS lev08 watershed · #7080474370

Bassin de Beaver Brook

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Hillsborough, Middlesex, Rockingham, Worcester

15% lakePfafstetter: 73118030

Sub-basin area

585,6km²

Upstream area

10 976,7km²

Discharge

224,15m³/s

Mean elev.

81m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Merrimack River960 km²

▲ Receives from 2 basins

Bassin de Nashua River1438 km²
Bassin de Merrimack River95 km²

4 dept-equivalent regions (GADM L2)

Middlesex
Massachusetts · United States
269.9 km²
46.0% of basin
Hillsborough
New Hampshire · United States
155.4 km²
26.5% of basin
Rockingham
New Hampshire · United States
150.6 km²
25.7% of basin
Worcester
Massachusetts · United States
10.7 km²
1.8% of basin

30 intersecting protected areas

Moose Hill Orchards Phase Iv
IUCN Not Assigned
Conservation Easement
0.76 km² overlap
Tully
IUCN Not Assigned
Wildlife Refuge
0.67 km² overlap
Cow Pond Brook Wce
IUCN V
Pond
0.60 km² overlap
Larter CR
IUCN Not Assigned
Conservation Easement
0.53 km² overlap
Hitchin Post Greens
IUCN V
Greens
0.51 km² overlap
Lower Beaver Brook Land
IUCN V
Local Conservation Area
0.47 km² overlap
J. Harry Rich
IUCN Not Assigned
State Forest
0.42 km² overlap
Dunlap
IUCN Not Assigned
Sanctuary
0.36 km² overlap
Unknown
IUCN V
Park
0.31 km² overlap

21 more protected areassorted by overlap area

Granite Hill
IUCN V
Conservation Area
0.29 km² overlap
Graniteville Woods CR
IUCN Not Assigned
Conservation Easement
0.28 km² overlap
Village View Estates CR
IUCN Not Assigned
Conservation Easement
0.28 km² overlap
Lakeside Terrace Cr
IUCN Not Assigned
Conservation Easement
0.25 km² overlap
Jeremy Hill
IUCN V
Natural Area
0.25 km² overlap
Unknown
IUCN V
Park
0.25 km² overlap
Humphrey Road - Don Ball
IUCN V
Conservation Easement
0.24 km² overlap
Unknown
IUCN V
Park
0.24 km² overlap
Town of Pelham Land
IUCN V
Local Conservation Area
0.22 km² overlap
Moose Hill Orchards Phase I
IUCN Not Assigned
Conservation Easement
0.20 km² overlap
Richmond
IUCN V
Conservation Area
0.19 km² overlap
Town of Boxborough Conservation Commission 37-1344
IUCN Not Assigned
Conservation Easement
0.19 km² overlap
Nashoba Farms
IUCN Not Assigned
Conservation Easement
0.18 km² overlap
Prouty Woods Community
IUCN Not Assigned
Forest
0.17 km² overlap
Blanchard Farms Condominium CR
IUCN Not Assigned
Conservation Easement
0.16 km² overlap
Farmer Parcel
IUCN V
Local Conservation Area
0.16 km² overlap
Towermarc Business Park Cr
IUCN Not Assigned
Park
0.16 km² overlap
Stoddard Cr
IUCN Not Assigned
Conservation Easement
0.13 km² overlap
Skitapet
IUCN Not Assigned
Conservation Area
0.13 km² overlap
Westford Manor Cr
IUCN Not Assigned
Conservation Easement
0.12 km² overlap
Daley CR
IUCN Not Assigned
Conservation Easement
0.12 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

3 700 distinct species · 357 832 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Bassin de Beaver Brook : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.112

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

8,6°C

Annual rain

1 098mm

Moisture idx (CMI)

0,11

Runoff

732mm/an

PET

977mm

AET

750mm

Mean slope

2,4°

Water table

162cm

Forest

80%

Crops

Urban

38%

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)