Determination about the northwestern area limit ofPinus koraiensis and the geographic occurrence ofPinus sibirica |
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| Authors: | Zhao Guangyi Hou Aiju Yang Chuntian |
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| Institution: | (1) Northeast Forestry University, China;(2) Committee of Science and Technology of Heilongjiang Province, China |
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| Abstract: | By investigation, studying and discussion for 9 years, the determination that it should bePinus sibirica growing in the Mohc county, Daxing’anling Mountains area, China, rather thanpinus koraiensis there, is made to correct a false argument in some works from 1950s’ till now thatPinus koraiensis area limit reach Daxing’anling Mountain. The results are as follows: (1) The species so called asPinus koraiensis found in northwest of Daxing’anling Mountain isPinus Sibirica indeed; There are no natural distribution ofPinus Koraiensis in Daxing’anling Mountain. Its northwest area limit only reach Shengshan, Aihui county; (3) There is about 500km of space
between the area limits ofPinus koraiensis and that ofPinus sibirica, no mixed growing area. According to above, a sketch map is made to describe different area limit of the two species at Daxing’anling
Mountain and nearby. |
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| Keywords: | Pinus koraiensis Pinus sibirica Daxing’ anling Mountain Area limit |
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