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    Author(s): Charles E. Flower; Douglas J. Lynch; Kathleen S. Knight; Miquel A. Gonzales-Meler
    Date: 2011
    Source: In: Parra, Gregory; Lance, David; Mastro, Victor; Reardon, Richard; Benedict, Chuck, comps. 2011 emerald ash borer national research and technology development meeting; 2011 October 12-13; Wooster, OH. FHTET-2011-06. Morgantown, WV; U.S. Department of Agriculture, Forest Service, State and Private Forestry, Forest Health Protection, Forest Health Technology Enterprise Team: 115-116.
    Publication Series: Paper (invited, offered, keynote)
    Station: Northern Research Station
    PDF: View PDF  (193.39 KB)

    Description

    The invasive emerald ash borer (Agrilus planipennis Fairmaire, EAB) has been spreading across the forest landscape of the Midwest resulting in the rapid decline of ash trees (Fraxinus spp.). Ash trees represent a dominant riparian species in temperate deciduous forests of the Eastern United States (USDA FIA Database). Prior research suggests that the mechanism by which EAB impacts ash trees is through extensive larval gallery formation which alters the transport of water and nutrients (Flower et al. 2010). Such disturbances have been shown to impact photosynthetic uptake and thereby fundamental ecosystem processes such as hydrology and soil respiration (Edwards and Ross-Todd 1979; Hogberg et al. 2001). These processes are integral to forest nutrient cycling and successional dynamics. Despite the fact that ash is an integral component of forests in the Great Lakes Region, the impacts of EAB induced ash decline on forest ecosystems remain largely uninvestigated. The objectives of this study were to assess EAB larval feeding on tree-level water relations and investigate the impacts of EAB induced ash mortality on soil respiration in an ash dominated experimental forest.

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    Citation

    Flower, Charles E.; Lynch, Douglas J.; Knight, Kathleen S.; Gonzales-Meler, Miquel A. 2011. EAB induced tree mortality impacts ecosystem respiration and tree water use in an experimental forest. In: Parra, Gregory; Lance, David; Mastro, Victor; Reardon, Richard; Benedict, Chuck, comps. 2011 emerald ash borer national research and technology development meeting; 2011 October 12-13; Wooster, OH. FHTET-2011-06. Morgantown, WV; U.S. Department of Agriculture, Forest Service, State and Private Forestry, Forest Health Protection, Forest Health Technology Enterprise Team: 115-116.

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https://www.fs.usda.gov/treesearch/pubs/42824