Forest Ecosystem Monitoring Cooperative(802) 656-0683femc@uvm.eduwww.uvm.edu/femc705 Spear StreetSouth BurlingtonVermont05403United States of AmericaMassachusetts Department of Conservation and Recreation Bureau of Forest Fire Control and ForestryleadForest Ecosystem Monitoring Cooperative (FEMC) partnerInvasive Plant Treatment Outcomes (Massachusets Sprint Project)Data was collected by the Massachusetts Department of Conservation and Recreation on several occasions ranging from 2013 - 2021. Sites were monitored for effectiveness of invasive plant treatment of glossy buckthorn, Japanese knotweed, and honeysuckle at sites along the Westfield River and on Mt. Greylock. Analysis was conducted to evaluate the effectiveness of the treatments. Analysis was conducted in 2025 by FEMC (Elissa Schuett). Invasive Plant Treatment Outcomes (Massachusets Sprint Project)invasive plantsWestfield_River_Japanese_Knotweed2013-06-012021-12-31Japanese knotweed percent cover along the Westfield River, MA on three sampling occasions (2013, 2018, and 2021) to detect management effectiveness following treatment after the first observation date (after 2013). To detect change in percent cover of Japanese knotweed following management at sites along the Westfield River, MA.Z1874_4123_UIIV5ZVMC.1874.4123mySQLMassachusetts Department of Convervation and Recreation (2026) Westfield_River_Japanese_Knotweed. FEMC. Available online at: https://www.uvm.edu/femc/CI4/data/archive/project/invasive-plant-treatment-outcomes--massachusets-sprint-project-/dataset/westfield_river_japanese_knotweedhttps://vmc.w3.uvm.edu/vmcdevel/CI4/data/archive/project/invasive-plant-treatment-outcomes--massachusets-sprint-project-/dataset/westfield_river_japanese_knotweed2013_Cover2013_Covertext2018_Cover2018_Covertext2021_Cover2021_CovertextIDIDtext