Response of Insects to Damaged and Undamaged Germinating Acorns PDF Download
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Author: Jimmy R. Galford
Publisher:
ISBN:
Category : Acorns
Languages : en
Pages : 8
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Book Description
S2Damaged germinating northern red oak, Quercus rubra L., acorns in pitfall traps were significantly more attractive to two species of acorn insects than undamaged germinating acorns. Significantly more adults of the weevil Conotrachelus posticatus Boheman and the sap beetle Stelidota octomaculata (Say) were caught in traps containing germinating acorns cut into halves versus traps containing uncut, germinating acorns. Larvae of the acorn moth Valentinia glandulella (Riley) also preferred damaged over undamaged acorns, but few larvae were caught and the results were not analyzed. S3.
Author: Jimmy R. Galford
Publisher:
ISBN:
Category : Acorns
Languages : en
Pages : 8
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Book Description
S2Damaged germinating northern red oak, Quercus rubra L., acorns in pitfall traps were significantly more attractive to two species of acorn insects than undamaged germinating acorns. Significantly more adults of the weevil Conotrachelus posticatus Boheman and the sap beetle Stelidota octomaculata (Say) were caught in traps containing germinating acorns cut into halves versus traps containing uncut, germinating acorns. Larvae of the acorn moth Valentinia glandulella (Riley) also preferred damaged over undamaged acorns, but few larvae were caught and the results were not analyzed. S3.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 590
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 8
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Author: George Racin
Publisher:
ISBN:
Category : Gypsy moth
Languages : en
Pages : 302
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Author: Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 70
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Author: Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 68
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Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 320
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Book Description
Author: Neil I. Lamson
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 20
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S2Appalachian hardwood stands in West Virginia were managed for 30 or more years using single-tree selection regeneration practices. Stand yield data suggest that current stand growth will provide economical harvest cuts for several future cutting cycles. This case study indicates that single-tree selection has potential for landowners who want to maintain continuous overstory cover and are willing to accept the gradual species shift to more shade-tolerant species.S3.
Author: Paul S Johnson
Publisher: CABI
ISBN: 1780647085
Category : Technology & Engineering
Languages : en
Pages : 645
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Book Description
The third edition of The Ecology and Silviculture of Oaks is an updated and expanded edition that explores oak forests as responsive ecosystems. New chapters emphasize the importance of fire in sustaining and managing oak forests, the effects of a changing climate, and advanced artificial regeneration techniques. This new edition expands on silvicultural methods for restoring and sustaining oak woodlands and savannahs, and on management of ecosystem services, including wildlife habitat. It also incorporates new material on evaluating landscape-scale, and cumulative effects of management action compared with inaction. Nine of the fifteen chapters cover updated information on the geographic distribution of US oaks, oak regeneration dynamics, site productivity, stocking and stand development, even- and uneven-aged silvicultural methods, and growth and yield. This edition includes a new section with colour illustrations for improved visualization of complex relationships. This book is intended for forest and wildlife managers, ecologists, silviculturists, environmentalists, and students of those fields.
Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 140
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