ZHAO Run, CHEN Jun-hua, NIU Mu, BIE Peng-fei, MU Chang-long. The Effect of Intermediate Cutting on Natural Regeneration of Cupressus funebris Plantation[J]. Journal of Sichuan Forestry Science and Technology, 2019, 40(2): 9-13. doi: 10.16779/j.cnki.1003-5508.2019.02.003
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ZHAO Run, CHEN Jun-hua, NIU Mu, BIE Peng-fei, MU Chang-long. The Effect of Intermediate Cutting on Natural Regeneration of Cupressus funebris Plantation[J]. Journal of Sichuan Forestry Science and Technology, 2019, 40(2): 9-13. doi: 10.16779/j.cnki.1003-5508.2019.02.003
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The Effect of Intermediate Cutting on Natural Regeneration of Cupressus funebris Plantation
More Information
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Mianyang Teachers'College, Mianyang 621000, China;National Positioning Observation and Research Station of Forest Ecosystem in Longmen Mountain, Pingwu 622553, China;Sichuan Academy of Forestry, Chengdu 610081, China;Beijing Forestry University, Beijing, Haidian 100083
- Received Date: 2019-01-18
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Abstract
By experimental base of "strip cutting & planting broadleaf trees", the natural regeneration under the forest was investigated in the hilly area of central Sichuan. The results showed that (1) the natural regeneration seedlings in cutting and reserving zones were significantly higher than those in control plots (P<0.05). The seedlings of natural regenerated young trees in 10 m, 8 m, 6 m, 4 m cutting belts and reserved belts were 10.63 times, 9.38 times, 7.92 times, 7.50 times and 3.33 times, 3.75 times, 4.38 times and 6.04 times of the control respectively. (2) The tree height of the regenerated saplings in the cutting zone, reserved zone and control plot showed a left-sided single-peak structure, and the number of seedlings with tree height of less than 0.1M was the largest. The proportion of seedling height grading of natural regeneration was different in different bandwidth harvesting belts and retaining belts. (3) Natural regenerated young seedlings after undergoing all treatments showed aggregate distribution, and aggregation intensity was high. (4) In addition to cypress, most of the naturally regenerated tree species were sunny or semi-sunny, such as camphor, toon and Chinese tallow.
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