Important Insect Outbreaks in Oregon and Washington in 1960
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Total Pages | : 10 |
Release | : 1961 |
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Total Pages | : 10 |
Release | : 1961 |
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Total Pages | : 1484 |
Release | : 1961 |
Genre | : Insect pests |
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Author | : United States. Plant Pest Control Division |
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Total Pages | : 858 |
Release | : 1963 |
Genre | : Insect pests |
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Total Pages | : 616 |
Release | : 1965 |
Genre | : Forest insects |
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Total Pages | : 158 |
Release | : 1967 |
Genre | : Forests and forestry |
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Author | : Pacific Northwest Forest and Range Experiment Station (Portland, Or.) |
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Total Pages | : 76 |
Release | : 1965 |
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Total Pages | : 598 |
Release | : 1994 |
Genre | : Forests and forestry |
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Author | : United States. Forest Service |
Publisher | : |
Total Pages | : 364 |
Release | : 1975 |
Genre | : Forests and forestry |
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Author | : Bozzano G Luisa |
Publisher | : Elsevier |
Total Pages | : 593 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0323138748 |
FROM THE PREFACE: The abundance of insects can change dramatically from generation to generation; these generational changes may occur within a growing season or over a period of years. Such extraordinary density changes or "outbreaks" may be abrupt and ostensibly random, or population peaks may occur in a more or less cyclic fashion....The goal of this book is to update and advance current thinking on the phenomenon of insect outbreaks. The contributors have reviewed relevant literature in order to generate a synthesis providing new concepts and important alternatives for future research. More importantly, they have presented new ideas or syntheses that will stimulate advances in thinking and experimentation.
Author | : Elvera A. Axelton |
Publisher | : |
Total Pages | : 158 |
Release | : 1967 |
Genre | : Ponderosa pine |
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