Download or read book Proceedings written by and published by . This book was released on 1987 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Publications of the Northeastern Forest Experiment Station 1993 and 1994 written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1996 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Papers Presented at the Second Meeting of the Working Group on Quantitative Genetics Section 22 IUFRO August 18 19 1969 Raleigh North Carolina written by International Union of Forestry Research Organizations. Section 22: Working Group on Quanitative Genetics. Meeting and published by . This book was released on 1970 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Papers Presented at the Second Meeting of the Working Group on Quantitative Genetics Section 22 IUFRO August 18 19 1969 Raleigh North Carolina written by International Union of Forestry Research Organizations. Section 22. Working Group on Quantitative Genetics and published by . This book was released on 1970 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Population Genetics in Forestry written by Hans-Rolf Gregorius and published by Springer Science & Business Media. This book was released on 2013-03-13 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: When we consider the main object of forestry, the tree, it immediately becomes clear why experimental population geneticists have been so hesitant in making this object a primary concern of their research. Trees are very long-living organisms with generation intervals frequently exceeding those of their investigators by multiples. They virtually exclude, therefore, application of the classical methods of population genetics since these are based on observing genetic structures over generations. This situation, where the limits set to observation are so severe, particularly requires close cooperation between theory and experiment. It also requires careful consideration of results obtained for organisms other than trees, in order to gain additional insights by comparing the results for trees with those for other organisms. Yet, the greatest challenge to population and ecological genetics probably originates from the fact that forests are very likely to be the most complex ecosystems of all, even in some cases where they are subject to intense management. This complexity, which equally comprises biotic and abiotic factors varying both in time and space, makes extremely high demands on the adaptational capacity and thus flexibility of the carriers of such an ecosystem. Longevity combined with immobility during the vegetative phase, however, appears to contradict the obvious necessity of adaptational flexibility in forest tree populations when compared with short lived and/or mobile organisms.

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