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Creator:: Principal de D'Aubeterre, Judith
Abstract:: Aspects concerning the bionomics of the parasitic honey bee brood mite, Varroa jacobsoni Oudemans were investigated. Mite mortality is great during the winter season when the host colony is not rearing brood, appearing to be independent of the mortality of its host. In winter period, no significant association between the...
Resource Type:: Dissertation
Full Text:: Drs. G. W. Krantz, R. Mason, W. Proebsting and P. A. Rossignol for their valuable suggestions and as

Creator:: Burikam, Intawat
Abstract:: The early stages of secondary succession of the McDonald and Paul Dunn State Forests, Corvallis, Oregon, were grouped into three stages; herb, herb-shrub, and shrub, based on vegetation types. Flowers of herbaceous species and residual shrubs dominated in the early years after clear-cutting. Woody plants became increasing abundant in the...
Resource Type:: Dissertation
Full Text:: blackberry (Rubus ursinus Cham. & Schlecht), and Rhododendron macrophyllum G. Don. These shrubs will

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