The Genetic Development of the Forests of Northern Michigan
Author: Harry Nichols Whitford
Publisher:
Published: 1901
Total Pages: 48
ISBN-13:
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Author: Harry Nichols Whitford
Publisher:
Published: 1901
Total Pages: 48
ISBN-13:
DOWNLOAD EBOOKAuthor: H. N. Whitford
Publisher:
Published: 2017-08-18
Total Pages: 48
ISBN-13: 9780649262069
DOWNLOAD EBOOKAuthor: Donald I. Dickmann
Publisher: University of Michigan Press
Published: 2016-07-19
Total Pages: 337
ISBN-13: 0472121685
DOWNLOAD EBOOKCompletely revised and updated, this new edition of The Forests of Michigan takes a comprehensive look at the natural history, ecology, management, economic importance, and use of the rich and varied forests that cover about half of Michigan's 36.3 million acres. The book explores how the forests regrew after the great Wisconsin glacier began to recede over 12,000 years ago, and how they recovered from the onslaught of unrestrained logging and wildfire that, beginning in the mid-1800s, virtually wiped them out. The emphasis of the book is on long-term efforts to sustain the state’s forests, with a view of sustainability that builds not only upon the lessons learned from native peoples' attitude and use of trees, but also on the latest scientific principles of forest ecology and management. Generously illustrated and written in an engaging style, The Forests of Michigan sees the forest and the trees, offering both education and delight.
Author:
Publisher: UM Libraries
Published: 1985
Total Pages: 124
ISBN-13:
DOWNLOAD EBOOKAuthor: Mechanics' Institute (San Francisco, Calif.)
Publisher:
Published: 1903
Total Pages: 52
ISBN-13:
DOWNLOAD EBOOKAuthor: Mechanics' Institute (San Francisco, Calif.). Library
Publisher:
Published: 1903
Total Pages: 32
ISBN-13:
DOWNLOAD EBOOKAuthor: George R. Trimble (Jr.)
Publisher:
Published: 1965
Total Pages: 536
ISBN-13:
DOWNLOAD EBOOKS2Work carried out by the Northeastern Forest Experiment Station in West Virginia in the past 12 years provides useful information about the relationships between tree d.b.h. and butt-log grade. The upper logs are not included in the relationships. Being smaller and containing more knots, these upper logs are generally of lower grade than the butt logs. Thus the average grade of all material in the sawlog portion of the tree is generally lower than the average grade of the butt log. In the West Virginia data, species differences in d.b.h.-grade relationship are readily apparent. This inherent tendency for species to have different proportions of the various grades in logs of the same size is a familiar phenomenon to grade-conscious foresters who work with hardwoods. The results in this paper provide a quantitative evaluation of this tendency for six of the local species.S3.
Author:
Publisher:
Published: 1966
Total Pages: 172
ISBN-13:
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Publisher:
Published: 1971
Total Pages: 36
ISBN-13:
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