Videos
van den Berg, A.K., Perkins, T.D., and Isselhardt, M.L. 2021. Tapping Practices: Optimizing Long-term Yields and Sustainability. Video in series: Keys to High-Yield Production. https://youtu.be/ofBZwBwI6is
van den Berg, A.K., Perkins, T.D., and Isselhardt, M.L. Tree Size and Yields. 2020. Video in series: Keys to High-Yield Production. https://youtu.be/6wWmeL9w1D4
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2020. Economic Impacts of Stained Wood. https://youtu.be/04m3SQvcGY4
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2020. Components of a Modern Vacuum Tubing
System. https://youtu.be/c6lpMgsfF-c
Isselhardt, M.L., Perkins, T.D., and van den Berg, A.K. 2020. Taphole Staining and Yields. Video in series: Keys to High-Yield Production. https://youtu.be/R4q7eBr1Soo
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2020. Tapping Below the Lateral Line. Video in series: Keys to High-Yield Production. https://youtu.be/v-EEYgL7Lt0
Isselhardt, M.L., Perkins, T.D., and van den Berg, A.K. 2020. Filtering Maple Syrup. Video in series: Keys to High-Yield Production. https://youtu.be/kUYtobgcvZE
Isselhardt, M.L., Perkins, T.D., and van den Berg, A.K. 2020. Tapping Maple Trees for High Sap Yield. Video in series: Keys to High-Yield Production. https://youtu.be/86WYX2QNk08
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2020. Spout and Dropline Sanitation in 5/16” Tubing Systems. Video in series: Keys to High-Yield Production. https://youtu.be/z35z6oZDz4A
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2019. Detection and Correction of Leaks: 5/16” Tubing and Mainline. Video in series: Keys to High-Yield Production. https://youtu.be/5BcxM5edN5o
Perkins, T.D., van den Berg, A.K., and Isselhardt, M.L. 2019. Detection and Correction of Taphole Leaks. Video in series: Keys to High-Yield Production. https://youtu.be/EybQLk6fmJE
van den Berg, A.K., Perkins, T.D., and Isselhardt, M.L. 2019. Vacuum and Yields in Maple Production. Video in series: Keys to High-Yield Production. https://youtu.be/XxC0JVsNOyc
Presentations
van den Berg, A.K. 2025. Total yields and syrup flavor from red maple trees, Out of the Woods Seminar Series, September 25, 2025. https://tinyurl.com/RedMaple2025
van den Berg, A.K. 2022. Tapping practices to optimize yields and sustainability. NY Mid-Winter Classic, January 8, 2022. https://youtu.be/nHbLIpPwVSA
van den Berg, A.K. 2021. Keys to optimizing yields in the long-term. Presentation for North American Maple Syrup Council, May 25, 2021. https://youtu.be/sm2yGk4KCyA?feature=shared
van den Berg, A.K. 2021. Best practices for producing birch syrup with optimum flavor and quality. September 2021. https://youtu.be/ykMl0zWlYkY
van den Berg, A.K. 2021. Yields and sustainability of early tapping and taphole longevity strategies, CDL Online Open House, April 23, 2021. https://youtu.be/Z-VorCDYcYQ
van den Berg, A.K. 2020. An effective defoamer for organic maple syrup production. https://youtu.be/ouQGRS78q0o
van den Berg, A.K. 2020. The science of maple sap flow. Urban Forestry Today Webcast, February 13, 2020. https://vimeo.com/418997769
Podcast Episodes
Sweet Talk with Dr. Abby van den Berg about Sap to Syrup Flavor Development
Cornell Maple Program Sweet Talk: All Things Maple, Episode 42:
https://open.spotify.com/episode/1xLQGaFOGWFZhnPtHkAnCq?si=V-M7Cl0BRVWBwxXO0X_SjQ
April 6, 2026
Sweet Talk About Red Maples with Dr. Abby van den Berg
Cornell Maple Program Sweet Talk: All Things Maple, Episode 20:
https://open.spotify.com/episode/7IlstIPWmG9oEQK25jIe35?si=mKS2yg8JRy6sGY7Jni_OxQ
March 23, 2023
Sweet Talk with Dr. Abby van den Berg – Early Tapping, Is it Worth it?
Cornell Maple Program Sweet Talk: All Things Maple, Episode 9:
https://open.spotify.com/episode/5UnA8lC888LubeWi3abJNX?si=eU2gV9LIQnimPAFufafGcA
November 30, 2021
Science Friday, “How the sap runs” https://www.sciencefriday.com/segments/how-the-sap-runs/
April 5, 2019
Outside/In Podcast, ”The Forest for the Tree Sap”, https://outsideinradio.org/shows/2018/6/7/the-forest-for-the-treesap?rq=maple
June 7, 2018
Science Friday, “The sticky science behind maple syrup” https://www.sciencefriday.com/segments/the-sticky-science-behind-maple-syrup/
April 18, 2014