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阳春市古树名木资源调查及其特征分析
郑文经1, 曾银萍2, 孙同高2, 陈红跃1,2
1.阳春市林业服务中心;2.华南农业大学林学与风景园林学院
摘要:
阳春市有着丰富的古树名木资源,通过调查统计,阳春市古树名木共有 1 675 株,隶属于 35 科 69 属 96 种,其中,大戟科、豆科、樟科为优势科。分析了阳春市古树名木的种类与数量、分布特 征、生长及环境特征和古树群落分布特征。结果表明:从分布特征看,生长在乡村的古树为 1 608 株,其 数量是生长在城区的 24 倍,占建档古树名木总株数的 96.00%;从生长特征可知,生长势正常的古树有 1 644 株,占建档古树名木总株数的 98.15%,衰弱级、濒危级和死亡级古树仅占建档古树名木总株数的 1.85%;从生长环境状况来看, 1 675 株古树中生长环境好的有 1 615 株,整体古树生长环境较好;从古树 群落分布现状来看,最具代表性的古树群落为古红锥 Castanopsis hystrix 群落和古荔枝 Litchi chinensis 群 落。总体而言,阳春市古树名木生长环境较好,保存得较完整,可以更好地实施下一步保护措施。
关键词:  阳春市  古树名木  资源调查  特征
DOI:
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基金项目:广东省林业科技创新项目(2017KJCX010,2014KJCX015)。第一作者郑文经(1974—),男,林学专业,研究方向为森林培育,E-mailwww7738656@163.com。通信作者陈红跃(1964—),男,教授,主要从事森林培育教学和研究,E-mailchenyue@scau.edu.cn。
Investigation and Characteristic Analysis of Ancient and Famous Trees Resources in Yangchun City
zheng wenjing1, zeng yinping2, sun tonggao2, chen hongyue2
1.Yangchun Forestry Service Center;2.College of Forestry and Landscape Architecture, South China Agricultural University
Abstract:
Yangchun city is rich in ancient and famous trees resources. According to the investigation statistics, there are 1 675 ancient and famous trees in Yangchun city, belonging to 35 families, 69 genera and 96 species. Among them, Euphorbiaceae, Leguminousae and Lauraceae are the dominant families. This paper analyzed the species and quantity characteristics, distribution characteristics, growth and environment characteristics and ancient tree community distribution characteristics of ancient trees in Yangchun. The results showed that the number of ancient trees growing in rural areas was 1 608, which was 24 times that in urban areas, accounting for 96.00% of the total number of ancient and famous trees in the archives. According to the growth characteristics, there were 1 644 ancient trees with normal growth, accounting for 98.15% of the total number of ancient and famous trees in the archives, and only 1.85% of the total number of ancient and famous trees in the archives were at the weak, endangered and dead levels. In terms of the growth environment, 1 615 of 1 675 ancient trees had good growth environment, and the overall growth environment of ancient trees was good. According to the distribution status of ancient tree communities, the most representative ancient tree communities were ancient red cone community and ancient lychee community. Generally speaking, the ancient and famous trees in Yangchun city have good growth environment and complete preservation, which can better carry out the next protection measures.
Key words:  Yangchun city  ancient and famous trees  survey of resource  characteristics