[1]项佳,杨素萍,刘健*,等. 福建三明市金丝湾森林公园米槠林林分空间结构分析[J].西北林学院学报,2017,32(5):230-236.[doi:10.3969/j.issn.1001-7461.2017.05.39]
　XIANG Jia,YANG Su-ping,LIU Jian*,et al. Spatial Structure Analysis of Castanopsis carlesii Stand in Jinsiwan Forest Park of Sanming,Fujian[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):230-236.[doi:10.3969/j.issn.1001-7461.2017.05.39]
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 福建三明市金丝湾森林公园米槠林林分空间结构分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
230-236
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Spatial Structure Analysis of Castanopsis carlesii Stand in Jinsiwan Forest Park of Sanming,Fujian
文章编号:
1001-7461(2017)05-0230-07
作者:
 项佳1; 2; 杨素萍1; 2; 刘健1; 2*; 余坤勇1; 2; 张今朝1; 2; 郑文英1; 2; 曾琪1; 2
 (1.福建农林大学 林学院，福建 福州 350002；2.3S技术与资源环境优化利用福建省高校重点实验室，福建 福州 350002)
Author(s):
 XIANG Jia1; 2; YANG Su-ping1; 2; LIU Jian1; 2*; YU Kun-yong1; 2; ZHANG Jin-zhao1; 2; ZHENG Wen-ying1; 2; ZENG Qi1; 2
 (1.College of Forestry,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China; 2.University Key Laboratory for Geomatics Technology and Optimize Resources Utilization in Fujian Province,Fuzhou,Fujian 350002,China)
关键词:
 ; 金丝湾森林公园; 米槠林; 空间结构
Keywords:
 ; Jinsiwan Forest Park;  Castanopsis carlesii forest;  spatial structure
分类号:
S756
DOI:
10.3969/j.issn.1001-7461.2017.05.39
文献标志码:
A
摘要:
 林分空间结构特征是识别森林林分健康与稳定的重要信息。在福建三明市金丝湾森林公园米槠林设置并调查5个的标准样地，采用角尺度、混交度、大小比数、开阔比和竞争指数5个空间结构参数分析该森林公园米槠林林分空间结构特征，并结合乘除法对各个空间参数进行多目标规划，参考人工林近自然化改造的目标和技术指标将其划分为5个等级。结果表明，三明金丝湾森林公园米槠林林分平均角尺度为0.526，整体上呈现聚集分布状态；林分平均混交度为0.478，接近中度混交；林分平均大小比为0.516，各样地平均大小比数较为接近，处于中庸向劣态的过渡阶段；林分平均开阔比为0.277，处于遮挡状态，林分生长空间不足；林分竞争指数为4.383，林木竞争压力较大；林分空间结构评价等级2级及以下的占到60%。总体来看，研究区林分空间结构参数中混交度、开阔比与理想米槠林林分取值标准相差较大，建议以提高林分树种混交度、增加林分开敞度为今后的重点调整方向。
Abstract:
 The stand spatial structure is important information to identify the forest health and stability.Five standard sampling plots were set in Jinsiwan Forest Park in Sanming of Fujian Province to analyze the spatial structures of Castanopsis carlesii forest by adopting 5 relative indices,such as uniform angle index,mingling degree,neighborhood comparison,competition index and open comparison.Multi-objective programming of the spatial parameters was carried out by combining the multiplication and division method.The forest was divided into five levels according to the objectives and technical indexes of the near-naturalization reconstruction of plantations.The results showed that the average angle index of C.carlesii forest was 0.526,and the average mingling degree was 0.478,which was close to the moderate mingling degree.The average neighborhood comparison was 0.516.The mean open area ratio was 0.277,which was in the occlusion state,and the growth space of the stands was not enough.The stand competition index was 4.383,and the forest competition pressure was relatively keen.Forests with sub-spatial structure evaluation level 2 or below accounted for 60%.Generally,gaps in mingle degree and open degree to preferable and actual state were large,and therefore,the key adjusting aspect for the park was to increase stand mingle degree and openness.

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备注/Memo

备注/Memo:
 收稿日期：2016-11-29修回日期：2016-12-06
基金项目：国家自然科学基金项目(41401385)；福建省高校产学研合作项目(2015N5010)；教育厅科技计划项目(JA14126)。
作者简介：项佳，女，硕士研究生，研究方向：3S技术应用及资源监测。E-mail:1278164158@qq.com
*通信作者：刘健，男，博士，教授，研究方向：3S技术应用、资源监测与林业可持续经营。E-mail:fjliujian@126.com
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