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    Author(s): Kevin M. Potter; Jeanine L. Paschke; Frank H. Koch; Erin M. Berryman
    Date: 2020
    Source: Gen. Tech. Rep. SRS-250. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station
    Publication Series: General Technical Report (GTR)
    Station: Southern Research Station
    PDF: Download Publication  (30.0 MB)


    Forest insects and diseases are having widespread ecological and economic impacts on the forests of the United States and may represent the most serious threats to the Nation’s forests (Logan and others 2003, Lovett and others 2016, Tobin 2015). Insects and diseases cause changes in forest structure and function, species succession, and biodiversity, which may be considered negative or positive depending on management objectives (Edmonds and others 2011). Nearly all native tree species of the United States are affected by at least one injurycausing insect or disease agent, with exotic agents on average considerably more severe than native ones (Potter and others 2019a). Additionally, the genetic integrity of several native tree species is highly vulnerable to exotic diseases and insects (Potter and others 2019b).

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    Potter, Kevin M.; Paschke, Jeanine L.; Koch, Frank H.; Berryman, Erin M. 2020. Chapter 2 - Large-scale patterns of insect and disease activity in the conterminous United States, Alaska, and Hawaii from the national Insect and Disease Survey, 2018. In: Potter, Kevin M.; Conkling, Barbara L., eds. Forest health monitoring: national status, trends, and analysis. 2019. Gen. Tech. Rep. SRS-250. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station: 27-55

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