海南白沙2类退化天然次生林的森林发展类型

doi:10.11707/j.1001-7488.20110808

林业科学 ›› 2011, Vol. 47 ›› Issue (8): 44-52.doi: 10.11707/j.1001-7488.20110808

海南白沙2类退化天然次生林的森林发展类型

孟京辉^1,2, 陆元昌², 王懿祥³, 郭东策⁴

1. 北京林业大学省部共建森林培育与保护教育部重点实验室北京100083;2. 中国林业科学研究院资源信息研究所北京100091;3. 浙江农林大学环境科技学院临安 311300;4. 海南省白沙县林业局白沙 572800

收稿日期:2009-04-14 修回日期:2010-09-27 出版日期:2011-08-25 发布日期:2011-08-25

Forest Development Type of Two Tropical Degraded Secondary Forests in Baisha County, Hainan Province

Meng Jinghui^1,2, Lu Yuanchang², Wang Yixiang³, Guo Dongce⁴

1. Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University Beijing 100083;2. Institute of Forest Resource Information Techniques, CAF Beijing 100091;3. School of Environmental Technology, Zhejiang Agriculture and Forestry University Lin'an 311300;4. Baisha Forest Bureau,Hainan province Baisha 572800

Received:2009-04-14 Revised:2010-09-27 Online:2011-08-25 Published:2011-08-25

摘要/Abstract

摘要：

通过对热带不同演替阶段的2类退化天然次生林林学特性的对比分析,确定2类退化天然次生林在乔木树种组成结构、幼苗幼树组成结构、更新能力上存在的差异。以近自然森林经营思想为依据,针对2类退化森林的不同情况,制定出森林发展类型。早期天然次生林: 森林类型的发展目标为环境保护和木材生产。在未来树种组成上,主林层林分目标树种为烟斗柯、乌墨、枫香。烟斗柯主伐木胸径50 cm,主伐年龄≥50年; 乌墨主伐木胸径70~80 cm,主伐年龄≥50年; 枫香主伐木胸径45 cm,主伐年龄≥20年。较老天然次生林: 森林类型的发展目标相同,但在未来树种组成上,主林层林分目标树种为黄樟、乌墨、华润楠、枫香。黄樟的主伐木胸径40 cm,主伐年龄≥50 cm; 乌墨主伐木胸径70~80 cm,主伐年龄≥50年; 华润楠主伐木胸径60~70 cm,主伐年龄≥60年; 枫香的主伐木胸径45 cm,主伐年龄≥20年。

关键词: 森林发展类型, 热带, 退化天然次生林, 近自然森林经营

Abstract:

Forest development type refers to a guiding model of the nature-inclined forest management that perfectly combines the potential vegetation succession and the economic demands. In this study, We investigated differences in tree species composition, regeneration composition and regeneration status between the two different degraded secondary forests in a tropical region. The results showed the obvious difference in relation to the related parameters between the two forest types. According to the theory of the nature-inclined forest management and current conditions of the different secondary forests, two different forest development types were proposed. For the young secondary forest of early succession, the objectives of the forest development type are protective function and timber production. The dominate tree species in the future stands are Lithocarpus corneus, Syzygium cumini and Liquidambar formosana. The target diameter of Lithocarpus corneus is 50 cm and the felling age is more than 50 years, the final felling age of Syzygium cumini is more than 50 years with the target diameter of 70-60 cm, the target diameter of Liquidambar formosana is 45 cm with final felling age more than 20 years. For the older secondary forest, the main aims of the forest development type is the same as the young secondary forest, however the forest composition is different. In the future stand, the dominate tree species are Cinnamomum porrectum, Syzygium cumini, Machilus chinensis, Liquidambar formosana. The target diameter of Cinnamomum porrectum is 40 cm with felling age more than 50 years, the final felling age of Syzygium cumini is more than 50 years and its target diameter is 70-80 cm, the target diameter of Machilus chinensis is 60-70 cm with final felling age of more than 60 years. The target diameter of Liquidambar formosana is 45 cm with final felling age more than 20 years.

Key words: forest development type, tropical region, degraded secondary forests, nature-inclined forest management

中图分类号:

S718.54

孟京辉;陆元昌;王懿祥;郭东策. 海南白沙2类退化天然次生林的森林发展类型[J]. 林业科学, 2011, 47(8): 44-52.

Meng Jinghui;Lu Yuanchang;Wang Yixiang;Guo Dongce. Forest Development Type of Two Tropical Degraded Secondary Forests in Baisha County, Hainan Province[J]. Scientia Silvae Sinicae, 2011, 47(8): 44-52.

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海南白沙2类退化天然次生林的森林发展类型

Forest Development Type of Two Tropical Degraded Secondary Forests in Baisha County, Hainan Province

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