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Author : Anonim
Publisher : Unknown
Page : 10 pages
File Size : 45,8 Mb
Release : 1992
Category : Acorns
ISBN : MINN:31951D029600028
Author : Anonim
Publisher : Unknown
Page : 426 pages
File Size : 44,9 Mb
Release : 1987
Category : Forests and forestry
ISBN : UCBK:C058638705
Author : Lawrence E. Osborn,Charles J. Gatchell,Curt Charles Hassler
Publisher : Unknown
Page : 688 pages
File Size : 51,6 Mb
Release : 1992
Category : Liriodendron tulipifera
ISBN : STANFORD:36105110631772
S2In West Virginia, yellow-poplar (Liriodendron tulipifera) is abundant and is a prime candidate for increased utilization in a variety of manufacturing industries. Computer simulations are a cost-effective tool for estimating potential cutting yields from lumber. They can be used to promote increased use of yellow-poplar in the furniture, cabinet, and architectural woodworking industries and may also lead to increased utilization of the lower grades of lumber. This paper describes the data collection methods and the format of the new West Virginia yellow-poplar lumber defect database that was developed for use with computer simulation programs. The database contains descriptions of 627 boards, totaling approximately 3,800 board feet, collected in West Virginia for grades FAS, FASIF, No. 1 Common, No. 2A Common, and No. 28 Common.S3.
Author : Paul S Johnson,Stephen R Shifley,Robert Rogers,Daniel C Dey,John M Kabrick
Publisher : CABI
Page : 645 pages
File Size : 46,7 Mb
Release : 2019-04-10
Category : Technology & Engineering
ISBN : 9781780647081
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 : Chetan Agarwal
Publisher : Unknown
Page : 92 pages
File Size : 54,5 Mb
Release : 2002
Category : Environmental sciences
ISBN : MINN:31951D02974810N
Author : George Racin
Publisher : Unknown
Page : 302 pages
File Size : 40,7 Mb
Release : 1995
Category : Gypsy moth
ISBN : STANFORD:36105113750017
Author : Anonim
Publisher : Unknown
Page : 1194 pages
File Size : 48,6 Mb
Release : 1993
Category : Government publications
ISBN : UIUC:30112063914847
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1192 pages
File Size : 53,6 Mb
Release : 1993
Category : Government publications
ISBN : MINN:31951P004370761
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author : Anonim
Publisher : Unknown
Page : 590 pages
File Size : 44,9 Mb
Release : 1980
Category : Forests and forestry
ISBN : UOM:39015049373858
Author : Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher : Unknown
Page : 70 pages
File Size : 44,7 Mb
Release : 1995
Category : Forests and forestry
ISBN : UVA:X002687475
Author : Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher : Unknown
Page : 68 pages
File Size : 50,9 Mb
Release : 1995
Category : Forests and forestry
ISBN : MINN:31951D02995962J
Author : Jimmy R. Galford,Deloris Weiss-Cottrill
Publisher : Unknown
Page : 8 pages
File Size : 53,5 Mb
Release : 1991
Category : Acorns
ISBN : MINN:31951D02986081G
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 : Anonim
Publisher : Unknown
Page : 528 pages
File Size : 44,9 Mb
Release : 1981
Category : Forests and forestry
ISBN : UOM:39015049373700
Author : Anonim
Publisher : Unknown
Page : 528 pages
File Size : 55,6 Mb
Release : 1993
Category : Forest ecology
ISBN : MINN:31951D00269158X
Author : Anonim
Publisher : Unknown
Page : 852 pages
File Size : 55,7 Mb
Release : 1997
Category : Forest ecology
ISBN : MINN:31951P00700862C