Download or read book Analysis of the Response of Healthy and Declining Sugar Maple Trees to Fertilization written by Beals, Don and published by . This book was released on 1992 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sugar Maple Ecology and Health written by Stephen Braithwaite Horsley and published by . This book was released on 1999 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Government Reports Announcements Index written by and published by . This book was released on 1993-06 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ontario Government Publications written by and published by . This book was released on 1993 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cumulates monthly issues and includes additional material.
Download or read book Microlog Canadian Research Index written by and published by . This book was released on 1993 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt: An indexing, abstracting and document delivery service that covers current Canadian report literature of reference value from government and institutional sources.
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Download or read book Forest Decline in the Atlantic and Pacific Region written by Reinhard F. Huettl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest damage, forest decline, forest dieback - not related to biotic agents - is occurring in the Atlantic and Pacific regions. In Europe and Eastern North America this serious problem is considered to be, at least to some part, related to industrial air pollutants and their atmospheric conversion products, such as acid rain or ozone. Forest declines in the Pacific region have been attributed largely to natural causes involving forest dynamics, since air pollution and other negative anthropogenic influences are practically absent. Presented here are typical decline phenomena in the Pacific and Atlantic region, potential causes, effects and mitigation strategies, and the question whether there are any similarities on a functional or structural basis is addressed.
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Download or read book Proceedings U S Department of Agriculture Interagency Research Forum on Gypsy Moth and Other Invasive Species 2002 written by Sandra L. C. Fosbroke and published by . This book was released on 2003 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agriculture Rural Development Food and Drug Administration and Related Agencies Appropriations for 1998 Research education and economics programs written by United States. Congress. House. Committee on Appropriations. Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies and published by . This book was released on 1997 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book North American Sugar Maple Decline Project written by and published by . This book was released on 1991 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Review the Effects of Acid Deposition and Other Air Pollutants on Forest Productivity Forest Ecosystems and Atmospheric Pollution Research Act of 1985 and the Endangered Forest Research Act of 1985 written by United States. Congress. House. Committee on Agriculture. Subcommittee on Forests, Family Farms, and Energy and published by . This book was released on 1986 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Society of America Annual Meeting Abstracts written by Ecological Society of America. Meeting and published by . This book was released on 2005 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt: