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    Some impacts to paper birch trees tapped for sap harvesting in Alaska

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    Author
    Trummer, Lori
    Malone, Tom
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    URI
    http://hdl.handle.net/11122/3198
    Abstract
    As the non-timber forest products industry increases on a commercial scale, the need for assessments of tree health and sustainability of these practices also increases. Harvesting birch sap for subsistence purposes has occurred for decades but commercial interests in this process and resource is expanding. In this evaluation, we review literature related to birch sap harvesting practices, report on a pilot study that assessed impacts to birch trees from sap harvesting, and review the “Best Practices” guidelines for tree tapping developed by the Alaska Birch Syrupmakers’ Association.
    Description
    R10-S&PF-FHP-2009-3; This article was included in collection donated by Tom Malone.
    Date
    2009-05
    Publisher
    United States Department of Agriculture, US Forest Service Alaska Region, State and Private Forestry Forest Health Protection, Anchorage Office
    Type
    Article
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