M. Khanhasani, K. Sagheb‐Talebi, F. Noori, Y. Khodakarami
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引用次数: 0
摘要
本研究旨在探讨扎格罗斯北部森林中感染栎(Q. infectoria)、利巴尼栎(Q. libani)和布兰栎(Q. brantii)三种栎树(Q. inectoria)的一些有效环境特征与分布的关系。在地理方向和地形方面，考虑到至少一小群研究物种的存在，已经建立了54个圆形样地，每个样地500平方米。在每个样地中，准备了土壤剖面以进行常规土壤测试。采用SAS 9/2、SPSS v.22和PC-ORD for Win.Ver.4.17 Mc软件对数据进行分析。结果表明，栎树树种分布与土壤特征和地形条件有关，除C%外，其他变量差异均显著，pH、CaCO3、粘土、沙子和海拔高度是描述栎树树种生境最具价值的参数。这些物种的比较显示问:brantii和问:infectoria栖息地相互接近而问:libani特殊nisch生态,更受限制的栖息地和问:brantii有着广泛的分布范围。
Effect of Soil and Physiographic Factors on Habitats Differentiation of Three Oak Species: (Q. Infectoria, Q. Libani and Q. Brantii)
This study was aimed to determine the relationship of some effective environmental characteristics on dispersion of three species of Oak (Q. infectoria, Q. libani and Q. brantii) in northern Zagros forests. Regarding to the geographical direction and landform, 54 circular sample plots, each 500 m 2 have been established considering the presence of at least small group of the study species. In each sample plot, a soil profile has been prepared to routine soil testing. SAS 9/2 and SPSS v.22 and PC-ORD for Win.Ver.4.17 Mc software were used to analyze the data. Result indicated that distribution of oak species is related to the soil characteristics and topographic conditions, except C%, the other variables have significance differences and the parameters of greatest value in describing the habitats of the species were pH, CaCO3, Clay, Sand and Altitude. Comparison of these species showed Q. brantii and Q. infectoria habitats are closer to each other while Q. libani has special nisch ecologic and more restricted habitat and Q. brantii has wider distribution range.
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