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科技导报
|论文
2004
, 22
(0410) :
59
-60
黄帝陵古柏衰退探因及保护、复壮对策
全屏
王勋陵1,2 , 李克家3 , 李方民1 , 苏晓红1 , 岳明1
作者信息
西北大学,西安710069;2. 兰州大学,兰州730000;3. 宝鸡林业专科学校,陕西宝鸡721300
AN EXPLORATION ON DECLENSION CAUSES OF OLD-AGE CYPRESS IN THE HUANGDI MAUSOLEUM AND ITS SOLUTIONS TO PROTECTION AND REJUVENATION
WANG Xun-ling1,2 , LI Ke-jia3 , LI Fang-min1 , SU Xiao-hong1 , YUE Ming1
Affiliations
1. Northwest University, Xi’an 710067, China;2. Lanzhou University, Lanzhou 730000, China;3. Baoji Forestry Training School, Baoji 721300, Shaanxi Province, China
出版时间: 2004-10-10
文章导航
对黄帝陵所在桥山上的古柏树林衰退的原因进行了分析,认为土壤被践踏板结,地表裸露,林地环境恶化,全区林木组成单一以及虫害严重等是造成古柏林衰退的主要原因。文章进而提出了对柏林保护和复壮的对策。
By analysing the declension cause of old-age cypress in Huang-Di Mausoleum, we thought that the trampled and hardened soil, the bare surface, the deteriorate environment of woodland, the single compose of forest and the serious insect pest were the main reasons. According to these, we proposed the solutions of protection and rejuvenation.
Huang-DiMausoleum
/
old-agecypress
/
declension
/
protection
/
rejuvenation
王勋陵;李克家;李方民;苏晓红;岳明.
黄帝陵古柏衰退探因及保护、复壮对策.
科技导报,
2004
, 22
(0410)
: 59
-60
.
WANG Xun-ling;LI Ke-jia;LI Fang-min;SU Xiao-hong;YUE Ming.
AN EXPLORATION ON DECLENSION CAUSES OF OLD-AGE CYPRESS IN THE HUANGDI MAUSOLEUM AND ITS SOLUTIONS TO PROTECTION AND REJUVENATION[J].
Science & Technology Review ,
2004
, 22
(0410)
: 59
-60
.
2004年第22卷第0410期
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文章信息
接收时间:2004-03-20
首发时间:2004-10-10
出版时间:2004-10-10
收稿日期:2004-03-20
修回日期:1900-01-01
https://castjournals.cast.org.cn/joweb/kjdb/CN/1242127304688734894
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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