Explore Case Studies by Location
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Bristol Lot Timber SaleDescription: The goals of the project were: to reduce the public safety hazard of standing dead trees along several roads; establish oak regeneration; and increase the structural diversity of the forest. State/Province: Massachusetts Forest Type: Central hardwoods Citation: Paul Gregory, 2018, Bristol Lot Timber Sale, Northeast Silviculture Library, University of Vermont. Accessed 01/14/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/71. |
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The Nature Conservancy – Surry Mountain PreserveDescription: The Surry Mountain Preserve is 1,300 acres located in Gilsum and Surry, NH. The forest on the preserve is quite mature with notable large oak and pine trees, but lacking in diverse or healthy tree regeneration. The Nature Conservancy worked with NH Fish and Game to develop a forest management plan that considered the challenges and opportunities for maintaining a healthy and resilient forest on this preserve given our changing climate. Management goals for the preserve include encouraging old growth forest characteristics, enhancing forest structure and composition, and managing forest regeneration. Harvests occurred in 2024 and 2025 across 175 acres resulting in some thinning, designated reserve areas, and small patch openings. State/Province: New Hampshire Forest Type: Central hardwoods Citation: Joanne Glode, 2024, The Nature Conservancy – Surry Mountain Preserve, Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/73. |
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Green Hills Preserve Forest AdaptationDescription: The Green Hills Preserve Forest Adaptation project is focused on increasing tree species diversity and forest complexity to promote climate resilience, diverse wildlife habitat, and forest carbon sequestration and storage while providing sustainable forest products. Spongy moth, beech bark scale disease, beech leaf disease, and hemlock wooly adelgid are either currently affecting the site or anticipated to in the near term. This site includes a long-term experimental area developed in partnership with the University of Vermont. State/Province: New Hampshire Forest Type: Mixedwoods Citation: Jeff Lougee, 2024, Green Hills Preserve Forest Adaptation, Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/75. |
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Bluffside Farm, SAP-Ne Demonstration Site (Newport, VT)Description: Vermont Land Trust treated a preservation patch of seven white ash trees, 5 females and 2 males, on the Bluffside Farm in Newport VT. The trees were first treated in 2022 and then again in 2025 with emamectin benzoate to protect them from the emerald ash borer. They will be treated every 3 years to preserve genetic diversity and protect seed trees for future ash regeneration. They are the northernmost patch in a network of ash preservation patches in Vermont. State/Province: Vermont Forest Type: Ash Citation: Caitlin Cusack, , Bluffside Farm, SAP-Ne Demonstration Site (Newport, VT), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/76. |
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Bud Leavitt WMA, SAP-Ne Demonstration Site (Charleston, ME)Description: The Maine Department of Inland Fisheries and Wildlife is deploying a variety of treatments for the purpose of regenerating new age cohorts of ash and protecting them from the emerald ash borer. There has been invasive plant control, silviculture, brown ash seed collection, and stem injections of pesticides to achieve this goal State/Province: Maine Forest Type: Ash Citation: Jack Chappen, , Bud Leavitt WMA, SAP-Ne Demonstration Site (Charleston, ME), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/77. |
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Pratt Refuge, SAP-Ne Demonstration Site (South Duxbury, VT)Description: Emerald ash borer threatens the long-term existence of all species of ash native to North America, including the Pratt Refuge, with less than 7% of the property's basal area belonging to white ash. In the summer of 2022, 20 white ash trees (10 male, 10 female) were injected with emamectin benzoate and then treated again in 2025 to preserve genetic diversity and protect seed trees for future ash regeneration. Starting in 2025, 40 white ash trees will be monitored annually for signs of EAB and tree health using the Monitoring and Managing Ash (MaMA) protocol in order to identify lingering ash. State/Province: Vermont Forest Type: Ash Citation: Caitlin Cusack, , Pratt Refuge, SAP-Ne Demonstration Site (South Duxbury, VT), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/78. |
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Maquam WMA, SAP-Ne Demonstration Site (Swanton, VT)Description: The Vermont Department of Forests, Parks, and Recreation observed green, white and black ash within the site were becoming infested with EAB. Parasitoid releases began in 2023 and continued into 2024. Injections of emamectin benzoate were conducted in 2025 on black ash (male and female) at the site. Both treatments occurred to maintain ash on the landscape at this important WMA. Injected trees will be monitored for canopy health annually and will be re-treated as needed. State/Province: Vermont Forest Type: Ash Citation: Josh Halman, , Maquam WMA, SAP-Ne Demonstration Site (Swanton, VT), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/79. |
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New York Botanical Garden Upland Forest, SAP-Ne Demonstration Site (Bronx, NY)Description: The upland forest at this site includes much of the old growth Thain Family Forest, the largest patch of contiguous old growth forest remaining in New York City, and other natural areas at the Garden. NYBG has invested in treating mature ash trees in the upland forest to retain its ecological, scientific and educational value. State/Province: New York Forest Type: Ash Citation: John Zeiger, , New York Botanical Garden Upland Forest, SAP-Ne Demonstration Site (Bronx, NY), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/80. |
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New York Botanical Gardens Cultivated Area, SAP-Ne Demonstration Site (Bronx, NY)Description: New York Botanical Garden’s cultivated arboretum and gardens include valuable mature ash specimens of various species. NYBG has invested in treating mature ash specimens across its cultivated landscape to support its horticultural, ecological, scientific and educational work. State/Province: New York Forest Type: Ash Citation: John Zeiger, , New York Botanical Gardens Cultivated Area, SAP-Ne Demonstration Site (Bronx, NY), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/81. |
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New York Botanical Garden Floodplain Forest, SAP-Ne Demonstration Site (Bronx, NY)Description: The floodplain forest at this site includes sections of the old growth Thain Family Forest, the largest patch of contiguous old growth forest remaining in New York City, and other natural areas at the Garden. NYBG has invested in treating mature ash trees in the floodplain, which has the largest concentration of naturally occurring ash on the property, to retain their ecological, scientific and educational value. State/Province: New York Forest Type: Ash Citation: John Zeiger, , New York Botanical Garden Floodplain Forest, SAP-Ne Demonstration Site (Bronx, NY), Northeast Silviculture Library, University of Vermont. Accessed 01/15/2026 at https://www.uvm.edu/nesl/webform/new_case_study/submissions/82. |