Titlebook: Genetics of Forest Ecosystems; Klaus Stern,Laurence Roche Book 1974 Springer-Verlag Berlin · Heidelberg 1974 Forstgenetik.Forst?kologie.St

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Introductory Remarks,ure. Direct control of diseases and parasites, which is commonly practiced and required in field and garden crops, amounts to an interference into the balance of tree species with these organisms, and this must be kept to a minimum.

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How Man Affects Forest Ecosystems,rts. The land has changed drastically and regions once highly fertile and capable of supporting large populations can now support only a few nomadic tribes at a subsistence level. It has been speculated that the major cause of the spread of deserts through once fertile regions has been climatic chan

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https://doi.org/10.1007/978-3-642-91114-9ure. Direct control of diseases and parasites, which is commonly practiced and required in field and garden crops, amounts to an interference into the balance of tree species with these organisms, and this must be kept to a minimum.

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Sichtung und Analyse der Beobachtungen, of ideological thought, the so-called “forest organism,” has exerted a bad influence until the most recent times and found supporters, especially in central Europe. This of course was not an autonomous development of forest science; rather, holisms had taken hold throughout phytology (to name only

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