韩国庆尚南道长寿区钝角环柏的生长模式

Moon Hyun Shik, T. Solomon
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引用次数: 0

摘要

树木生长受环境因素、气候条件和树龄的影响。本研究的目的是评价庆尚南道长尾Chamaecyparis obtusa (C. obtusa)林分的生长模式。数据采自两个市和一个县,样本样方为20 * 20 m。利用11个样方采集树木高度、胸径(DBH)、年轮和土壤数据。对土壤含水量、pH值、有机质(%)、EC (cmol + /kg土壤)、速效磷进行了数据分析。利用计算机软件分析了树木的年轮,确定了树木的年龄。利用调查数据计算树木的平均生长高度和胸径,并通过计算机读取年轮对每棵树的年生长进行评估。研究结果表明,随着寿命的延长,树木的生长呈现出减少的趋势。结果表明,土壤pH值、林龄、年平均气温变化和海拔高度是影响油松生长的主要因素。
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The Growth Pattern of Chamaecyparis obtuse Stand along Longevity in Gyeongnam Province, South Korea
Tree growth is affected by environmental factors, climate condition and tree age. The objective of this study was to evaluate the growth patterns of Chamaecyparis obtusa (C. obtusa) stand in the Gyeongnam province. Data was collected from two cities and one county by using sample quadrats of 20 * 20 m. A total of 11 quadrats were used to collect tree height, diameter at the breast height (DBH), annual growth rings and soil data. The data analysis of soil moisture content, pH, organic matter (%), EC (cmol + /kg of soil), and available phosphorous was conducted. Growth ring was analyzed by using computer based software and the ages of the trees were identified. Average growth of height and DBH was computed from the surveyed data and annual growth of each tree was assessed by computer based reading of annual growth rings. The results of the study revealed that tree growth showed a reducing trend along the longevity. It was identified that soil pH, age, variation in annual average temperature, and altitude were the main factors related with growth of C. obtusa trees along the life of the stand.
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