Rivière· 51 segments

Wallkill River

Crosses 3 administrative regions : Orange, Sussex, Ulster

rivière

Total length

146km

Max discharge

45,3m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-7080498460645 km²

3 administrative regions crossed (GADM L2)

Ulster
New York · United States
54.3 km
in this dpt
Orange
New York · United States
52.5 km
in this dpt
Sussex
New Jersey · United States
46.5 km
in this dpt

16 intersecting protected areas

Conservation Area
IUCN V
Conservation Area
Wallkill River
IUCN IV
National Wildlife Refuge
Hamburg Mountain
IUCN V
Wildlife Management Area
Sparta Mountain
IUCN V
Wildlife Management Area
Njcf #023 / 642
IUCN Not Assigned
Conservation Easement
Preserve
IUCN V
Preserve
Shawangunk Grasslands
IUCN IV
National Wildlife Refuge
Ulster
IUCN V
Forest Preserve
Wallkill
IUCN V
Preserve

7 more protected areassorted by area

Wetlands Reserve Program (WRP)
IUCN Not Assigned
Reserve Program
Wetlands Reserve Program (WRP), Sussex, NJ
IUCN Not Assigned
Reserve Program
Wildcat Branch
IUCN V
Preserve
Sussex Hills
IUCN V
Preserve
Sterling Hill
IUCN V
Preserve
West Mountain Estates
IUCN V
Preserve
Wallkill River
IUCN V
National Wildlife Refuge

1 page = 1 named river (aggregation of 51 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

318 distinct species · 1 637 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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 Wallkill River : 30 espèces reliées par 119 interactions GloBI sur 4 types (connectance 12.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

119

Connectance

0.126

Patrimoniales

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

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

Hydrology (HydroRIVERS v10)