Defoliation Potential of Gypsy Moth PDF Download
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Author: David A. Gansner
Publisher:
ISBN:
Category : Defoliation
Languages : en
Pages : 4
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Book Description
Author: David A. Gansner
Publisher:
ISBN:
Category : Defoliation
Languages : en
Pages : 4
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Book Description
Author:
Publisher:
ISBN:
Category : Gypsy moth
Languages : en
Pages : 326
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Author: Charles C. Doane
Publisher:
ISBN:
Category : Gypsy moth
Languages : en
Pages : 786
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Author:
Publisher:
ISBN:
Category : Defoliation
Languages : en
Pages : 5
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 4
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 628
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 528
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Book Description
Author: Gary W. Miller
Publisher:
ISBN:
Category : Clearcutting
Languages : en
Pages : 20
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Book Description
"Logging costs, product yields, and harvest revenues were determined for three thinning treatments (75, 60, and 45 percent residual stocking) and clearcutting in 60-year-old cherry-maple stands. The study area was logged by a three-man crew using chain saws and a wheeled skidder. Time study and yield data indicated that production rates and costs were similar among the four treatments. Production rates ranged from 18.5 to 19.3 c units per day, depending on the treatment. Total logging costs, including felling, bucking, skidding, loading, hauling, and roads, ranged from $44 to $35 per c unit, decreasing as the cut increased. Sawlog yields ranged from 1,621 to 13,281 board feet per acre (International 1/4-inch rule), while pulpwood yields ranged from 630 to 1,897 cubic feet per acre. Harvest revenues were sufficient to pay for roads and timber sale costs in all treatments except the lightest thinning treatment.S3.
Author: W.W. Weisser
Publisher: Springer Science & Business Media
ISBN: 354074004X
Category : Science
Languages : en
Pages : 419
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Book Description
Insects are a dominant component of biodiversity in terrestrial ecosystems and play a key role in mediating the relationship between plants and ecosystem processes. This volume examines their effects on ecosystem functioning, focusing mainly, but not exclusively, on herbivorous insects. Renowned authors with extensive experience in the field of plant-insect interactions, contribute to the volume using examples from their own work.
Author: H. Clay Smith
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 300
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Book Description
