How Damage to Balsam Fir Develops After a Spruce Budworm Epidemic PDF Download
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Author: Thomas Frederick McLintock
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 416
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Book Description
From 1948 to 1952 a light to medium spruce budworm infestation occurred in the spruce-fir forests of northern Maine. During this period both the degree of infestation and the acreage affected fluctuated considerably, but the population remained below the damage level. In 1953 there was a general reduction in budworm population in all portions of northern Maine except a relatively small area of same 20,000 acres near Madawaska Lake. Here a marked increase in infestation occurred. Because of possible damage to trees on this area and the hazard of spread to adjacent areas, this tract was sprayed in the spring of 1954. Meanwhile a very severe outbreak over an area of several thousand square miles in the nearby Province of New Brunswick has become a serious threat to the spruce-fir forests of Maine.
Author: Thomas Frederick McLintock
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 416
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Book Description
From 1948 to 1952 a light to medium spruce budworm infestation occurred in the spruce-fir forests of northern Maine. During this period both the degree of infestation and the acreage affected fluctuated considerably, but the population remained below the damage level. In 1953 there was a general reduction in budworm population in all portions of northern Maine except a relatively small area of same 20,000 acres near Madawaska Lake. Here a marked increase in infestation occurred. Because of possible damage to trees on this area and the hazard of spread to adjacent areas, this tract was sprayed in the spring of 1954. Meanwhile a very severe outbreak over an area of several thousand square miles in the nearby Province of New Brunswick has become a serious threat to the spruce-fir forests of Maine.
Author: Thomas F (Thomas Frederick) McLintock
Publisher: Hassell Street Press
ISBN: 9781014990945
Category :
Languages : en
Pages : 26
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Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Thomas H. Lee
Publisher:
ISBN:
Category : Fir
Languages : en
Pages : 102
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Book Description
Author: Herman John Heikkenen
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 156
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Book Description
Author: John Clark
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 82
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Book Description
Author: C. J. Sanders
Publisher: Ottawa, Ont. : Canadian Forestry Service
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 578
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Forest genetics
Languages : en
Pages : 430
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 764
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Book Description
Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 686
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Book Description
