A Preliminary Report on Investigation of Ancient Cypress Trees in Jiange County

FU Jian-fang; TANG Tian-yong; HE Xian-ping; CHENG Jian-wei; LI Xun; FU Jian-rong; YU Ding-xiang

doi:10.16779/j.cnki.1003-5508.2018.06.022

Ancient cypress trees in Jiange County were the world's most preserved and largest group and high-quality germplasm resource with large quantity. The study of the characteristics including quantity, structure, growth status and influencing factors of ancient cypresses can provide preliminary data for their protection in Jiange County. The results showed that (1) There were 7826 ancient cypress trees in Jiange County, with uneven spatial distribution as Longyuan and Hefeng Town dominant. (2) The age of the ancient cypress tree had a single-peak curve distribution with a peak value of 700~899 a; (3) There was no significant correlation between the growth status with their age, but was significantly and positively correlated with the crown width and protection measures, was significantly negatively correlated with influencing factors, with soil and human factors preponderance.

Cuiyun Gallery Gubai Nature Reserve Administration of Jiange County, Jiange 628317, China;Sichuan Academy of Forestry, Chengdu 610081, China;Bureau of Housing security, Urban and Rural Planning and Construction of Guangyuan Municipality, Guangyuan 628017, China

Received Date: 2018-08-27

Key words:

Abstract: Ancient cypress trees in Jiange County were the world's most preserved and largest group and high-quality germplasm resource with large quantity. The study of the characteristics including quantity, structure, growth status and influencing factors of ancient cypresses can provide preliminary data for their protection in Jiange County. The results showed that (1) There were 7826 ancient cypress trees in Jiange County, with uneven spatial distribution as Longyuan and Hefeng Town dominant. (2) The age of the ancient cypress tree had a single-peak curve distribution with a peak value of 700~899 a; (3) There was no significant correlation between the growth status with their age, but was significantly and positively correlated with the crown width and protection measures, was significantly negatively correlated with influencing factors, with soil and human factors preponderance.

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A Preliminary Report on Investigation of Ancient Cypress Trees in Jiange County

doi: 10.16779/j.cnki.1003-5508.2018.06.022

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通讯作者: 陈斌, bchen63@163.com

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