HydroBASINS lev08 watershed · #7080445370

Bassin de Hudson River

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 2 administrative regions : Essex, Hamilton

13% lakePfafstetter: 73140805

Sub-basin area

77,6km²

Upstream area

1 601,3km²

Discharge

39,29m³/s

Mean elev.

547m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Hudson River614 km²

▲ Receives from 2 basins

Bassin de Indian River442 km²
Bassin de Hudson River14 km²

2 dept-equivalent regions (GADM L2)

Essex
New York · United States
44.9 km²
57.8% of basin
Hamilton
New York · United States
32.8 km²
42.2% of basin

9 intersecting protected areas

Hudson Gorge
IUCN V
Primitive Area
37.75 km² overlap
Finch, Pruyn
IUCN V
State Conservation Area
10.83 km² overlap
Vanderwhacker Mountain
IUCN V
Wild Forest
9.73 km² overlap
Blue Mountain
IUCN V
Wild Forest
2.74 km² overlap
Finch Pruyn
IUCN V
State Conservation Area
2.03 km² overlap
Essex Chain Lakes Complex
IUCN Ib
Lake
0.71 km² overlap
Siamese Ponds
IUCN Ib
Wilderness
0.47 km² overlap
Adirondack Mountains
IUCN V
Conservation Easement
0.41 km² overlap
New York
IUCN V
State Lands
0.03 km² overlap

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

Species present

241 distinct species · 1 452 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 46 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 Hudson River : 36 espèces reliées par 96 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.089

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°

4,8°C

Annual rain

1 094mm

Moisture idx (CMI)

0,23

Runoff

753mm/an

PET

845mm

AET

711mm

Mean slope

7,6°

Water table

370cm

Forest

99%

Crops

Urban

Protected

64%

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