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    Author(s): E.T. Nebeker; Theodor D. Leininger; J.S. Meadows
    Date: 1998
    Source: USDA Forest Service Southern Research Station Asheville, North Carolina June 1998. General Technical Report SRS-20.pp 209-212.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (22 KB)


    Abstract - The relationship between stand modification and pest organisms (insects and diseases) has been noted in general with few specific studies to evaluate this relationship in the southern hardwoods. As a prerequisite to making the best improvement cut prescription, it is essential to have a perspective on thinning impacts that at present can only be gathered from scattered information. The goal of this study is to better understand the impacts of stand modifications on insect and disease populations. A study of practices in southern pines conducted in 1985 by Nebeker and others will serve as a template. We will examine the relationship of pest organisms to stand modifications such as improvement cuts, clear cutting, periodic flooding (e.g., green tree reservoirs) and burning. To our knowledge, this will be the first such study in southern hardwood stands aimed at understanding this relationship.

    Our objectives are threefold. We propose to bring together the literature that reports positive and negative impacts of stand modifications in relation to insects and diseases of hardwoods emphasizing the southern hardwood system. We also propose to follow stand modification procedures in order to document changes in insect and disease populations that lead to degrade or mortality of hardwoods. The organisms of interest primarily include insect borers and various wood decays. The study will be conducted in the Delta National Forest near Rolling Fork, MS, where we will survey pest populations before and after an improvement cutting in a bottomland hardwood stand. In addition, pest population surveys will be conducted in stands thinned within the past 5 years on timber company land in Alabama. The envisioned product will be a document containing pest management recommendations for stand modification practices in southern hardwoods. This will be a great asset in summarizing our understanding of pest population responses to management entries into the southern hardwood ecosystem. It should serve as a benchmark for future studies as well.

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    Nebeker, E.T.; Leininger, Theodor D.; Meadows, J.S. 1998. Studying the Effects of Hardwood Stand Modifications, Periodic Flooding, and Fire on Insect and Disease Communities in the Lower Mississippi River Ecosystem. USDA Forest Service Southern Research Station Asheville, North Carolina June 1998. General Technical Report SRS-20.pp 209-212.

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