互助县古树名木资源调查及其保护对策
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摘要
为加强古树名木资源的保护管理,采用GPS定位、文献跟踪、资料收集、现地鉴定、数码拍照等方法,2010-2018年在青海省互助县开展古树名木资源调查和评价。结果表明:(1)2010-2018年增或减古树名木数量没有变化,共有55株古树,全部为三级保护古树。以青杨、青海云杉居多,占总株数的90.91%。(2)古树名木全部以散生状态分布在乡村,4株为国家所有、48株为集体所有、3株为个人所有。(3)古树名木生长环境全部为中等,生长正常的有40株、衰弱的有15株。(4)古树名木树龄分布范围在108～288 a,平均154 a;树高分布范围在9～36 m,平均20 m;胸围/地围分布范围在150～740 cm,平均364 cm;冠幅分布范围在5～25 m,平均16 m。(5)2018比2010年树高增加了2 m、胸围/地围增加了2 cm、平均冠幅增加了2 m。最后提出了古树名木资源保护管理的有关建议。
In order to enhance the protection and management of old & notable trees, the methods of GPS, literature study for data collection, field identification, digital photograph and so on were adopted to investigate into the old ¬able trees for in Huzhu county at Qinghai province were investigated and evaluated from 2010 to 2018.The result showed that: i) there were 55 old & notable trees in Huzhu county at Qinghai province, which are categorized as class three of protected trees and dominated by Populus cathayana and Picea crassifolia; ii) they were all distributed in a sporadic state, with 4 trees state owned, 48 trees collectively owned and 3 trees privately owned; iii) all of them were in moderate growing environment, 40 trees in normal conditions of growth,15 in flagging conditions of growth; iv) their ages were ranging from 108 a to 288 a, with mean age at 154 a; the tree height was ranging from 9 m to 36 m with mean height at 20 m; the distribution range of tree bust/(ground perimeter) was150～740 cm, with mean value at 364 cm; crown width was ranging from 5 m to 25 m with mean width at 16 m; v) the tree height has increased by 2 m from 2010 to 2018, the tree bust/(ground perimeter) increased by 2 cm and mean crown width increased by 2 m. Suggestions are given for protection and management of old & notable trees in the future.
In order to enhance the protection and management of old & notable trees, the methods of GPS, literature study for data collection, field identification, digital photograph and so on were adopted to investigate into the old ¬able trees for in Huzhu county at Qinghai province were investigated and evaluated from 2010 to 2018.The result showed that: i) there were 55 old & notable trees in Huzhu county at Qinghai province, which are categorized as class three of protected trees and dominated by Populus cathayana and Picea crassifolia; ii) they were all distributed in a sporadic state, with 4 trees state owned, 48 trees collectively owned and 3 trees privately owned; iii) all of them were in moderate growing environment, 40 trees in normal conditions of growth,15 in flagging conditions of growth; iv) their ages were ranging from 108 a to 288 a, with mean age at 154 a; the tree height was ranging from 9 m to 36 m with mean height at 20 m; the distribution range of tree bust/(ground perimeter) was150～740 cm, with mean value at 364 cm; crown width was ranging from 5 m to 25 m with mean width at 16 m; v) the tree height has increased by 2 m from 2010 to 2018, the tree bust/(ground perimeter) increased by 2 cm and mean crown width increased by 2 m. Suggestions are given for protection and management of old & notable trees in the future.
引文
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[2] 蔡施泽.3种上海市常见古树粗根系分布特征[J].上海交通大学学报(农业科学版),2017,35(4):7-14.
[3] 雷硕.北京市民对古树名木保护支付意愿及影响因素研究[J].干旱区资源与环境,2017,31(4):73-79.
[4] 甘明旭.应用探地雷达对黄帝陵古柏树干和粗根的研究[J].西北林学院学报,2016,31(4):182-187.
[5] 寇建良.福州城区古树名木旅游资源综合评价与旅游产品策划[D].福州:福建师范大学,2009.
[6] 王嘉楠,程立,刘慧.城市森林显著树的认定及分布特征[J].浙江农林大学学报,2018,35(2):340-346.
[7] 贾恒锋,牟玉梅.西藏尼木县古树年龄鉴定及生长历史分析[J].应用生态学报,2018,29(7):2401-2410.
[8] 郑然,乐也,王晓辉,等.古树风险评估与风险管理方法研究[J].北京林业大学学报,2013,35(6):143-150.
[9] 李程,罗鹏.古树名木生长状况与环境因子关系研究[J].中南林业科技大学学报,2015,35(11):86-93.
[10] 邹嫦,康秀琴,罗开文.广西北海市古树名木资源特征分析[J].林业资源管理,2017(3):128-132.
[11] 何晓雯.黄浦区古树名木养护标准化管理初探[J].林业调查规划,2018,43(3):188-191.
[12] 康乐.北方部分地区古树名木复壮养护技术现状及保护对策研究[D].杨凌:西北农林科技大学,2015.