Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations PDF Download
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Author: John S. Hard
Publisher:
ISBN:
Category : Hemlock sawfly
Languages : en
Pages : 24
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Book Description
Author: John S. Hard
Publisher:
ISBN:
Category : Hemlock sawfly
Languages : en
Pages : 24
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Book Description
Author: R. A. Mask
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 58
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1814
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1408
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 24
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Book Description
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 546
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Book Description
Author: Daniel W. Lester
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 576
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 224
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Book Description
Author: Michael R. Wagner
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 616
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Book Description
An international group of ecologists, entomologists and foresters have united to explore the life history traits of the Symphyta, or sawflies. This volume provides a treatment of these pests, their life history characteristics and evolutionary innovations for living on woody plants.
Author: Bozzano G Luisa
Publisher: Elsevier
ISBN: 032313873X
Category : Technology & Engineering
Languages : en
Pages : 652
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Book Description
This comprehenisive text approaches the subject from an ecological/evolutionary biological perspective. The assumption is that one cannot study forest insects without understanding the dynamics of the relationship between an insect and its host plant. This relationship includes knowing what factors control forest insect populations such as food, food quality, tree vigor, host selection, and symbiotic relationships. The authors also discuss tree-injuring insects from the perspective of their influence on tree physiology and growth as well as economic and commercial effects. The book represents a "modern" approach to the topic of forest and shade tree insects; is well-illustrated; and includes a comprehensive primary reference list.
