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Creator:: Mitchell, Russel Gene
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGMENTS Acknowled~nts should first be made to the Pacific Northwest Forest and Range EXperiment

Creator:: Ryan, Roger B.
Resource Type:: Dissertation
Full Text:: of this insect and of its natural eneries. Still, the study of' the complex interrelationships

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:: to early summer and late summer flowering peaks, respectively. Insect pollinators partitioned

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