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    Author(s): Thomas R., Jr. Eagle; Ray R., Jr. Hicks
    Date: 1993
    Source: In: Gillespie, Andrew R.; Parker, George R.; Pope, Phillip E.; Rink, George: eds. Proceedings of the 9th Central Hardwood Forest Conference; Gen. Tech. Rep. NC-161. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 484
    Publication Series: General Technical Report (GTR)
    Station: North Central Research Station
    PDF: View PDF  (203.83 KB)

    Description

    Twenty-eight plots were established in oak stands along the leading edge of gypsy moth migration into north-central West Virginia. Plots were arranged in a 3-chain square grid pattern in areas of varying aspect, percent slope, elevation, site index and species composition. Soft water, gypsy moth frass and leaf fragments generated by larval feeding were collected weekly from May 14 until July 30, 1992. Frass and leaf fragments were sorted and weighed. Water and frass samples were analyzed to determine concentrations of sodium, potassium, magnesium, calcium, hydrogen, phosphate and nitrate. Estimates of average defoliation were also made for each plot on a weekly basis.

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    Citation

    Eagle, Thomas R., Jr.; Hicks, Ray R., Jr. 1993. The effects of gypsy moth defoliation on soil water chemistry. In: Gillespie, Andrew R.; Parker, George R.; Pope, Phillip E.; Rink, George: eds. Proceedings of the 9th Central Hardwood Forest Conference; Gen. Tech. Rep. NC-161. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 484

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