繁昌县古树名木资源调查及特征分析
2021-06-15程涌泉黄成林朱旺生胡娟娟陈雨路
程涌泉 黄成林 朱旺生 胡娟娟 陈雨路



摘 要:通过对繁昌县古树名木资源现状实地调查,对古树名木的种类及数量特征、空间分布特征、生长状况方面进行了统计分析。结果表明:繁昌县现存古树名木104株,隶属15科22属23种。其中,一级古树3株,二级古树7株,三级古树93株,名木1株。樹龄集中分布在100~200年,树高集中分布在15~21m,胸径集中分布在180~270cm,冠幅集中分布在4~14m。空间分布总体上呈现出自西北向东南递减的趋势,县域内古树名木主要生长在远郊野外与乡村街道,各镇也存在数株生长势和生长环境较差的古树名木。
关键词:古树名木;资源调查;特征;繁昌县
中图分类号 S788文献标识码 A文章编号 1007-7731(2021)08-0078-04
Abstract: Based on the investigation of the current situation of ancient and famous trees in Fanchang County, and the Statistics and analysis of the species and quantitative characteristics, spatial distribution pattern and growth status for ancient and famous trees. The main conclusions were as follows: (1) There are 104 ancient and famous trees in Fanchang area, belonging to 15 species, 22 genera, 23 families, and there are 3 first-grade ancient trees, 7 second-grade ancient trees, 93 third-grade ancient trees and 1 famous tree. (2) The age, hight, DBH and average of canopy are mainly concentrated between 100 and 200 years, 15 and 21 meter, 180 and 270 centimeter, 4 and 14 meter respectively. (3)The number of ancient and famous trees decreases from northwest to southeast in space distribution. (4)Ancient and famous trees in Fanchang area mainly grow in the outer suburbs and in rural streets, besides, there are several ancient and famous trees with poor growth potential and poor growth environment in every town.
Key words: Ancient and famous trees; Resource investigation; Characteristic; Fanchang County
古树名木是大自然馈赠予人类的自然资产,是区域重要的植物景观资源,记录着当地自然地理演变的过程 [1-2]。此外,它们还是现存历史文物的重要的组成部分,见证着区域历史文化的变迁,信息量丰富,对于当地历史文化层次的提升效果明显[3-5]。因此,开展古树名木资源调查,掌握其基本信息,并对古树名木的基本情况剖析研究,对当地古树名木的保护与救助意义重大,也为开发古树名木旅游资源提供了重要的参考。
1 研究区概况
繁昌县位于安徽省中南部,地靠长江,县域范围为30°57′N~31°l4′N,117°58′E~118°22′E,总面积58290.18hm2。县域西南部以丘陵、山地为主,东北部以平原为主,地势整体上呈现出西南高东北低。区域内为亚热带湿润性季风气候,无霜期较长。全县林地达25116.46hm2,占繁昌县整个国土面积43.1%。
繁昌县历来悠久,颇具文化底蕴,古树名木资源已成为区域文化不可或缺的一部分,同时对于当地文化旅游的发展具有重要的促进作用。……
