Rouhi-Moghaddam Einollah, Hosseini Seyed Mohsen, Ebrahimi Ezzatollah, Rahmani Ahmad, Tabari Masoud
Department of Forestry, Faculty of Natural Resources, Tarbiat Modares University, Noor, Mazandaran, 46414, Iran.
Pak J Biol Sci. 2007 Apr 15;10(8):1276-81. doi: 10.3923/pjbs.2007.1276.1281.
The regeneration structure and biodiversity of trees and shrub species in under story of pure and mixed Oak plantations were investigated in Chamestan Forest and Rangeland Research Station of Iran. Planted species including Oak (as main species) and Hornbeam (as associated species). This species were planted in five proportions (100Q, 70Q:30C, 60Q:40C, 50Q:50C, 40Q:60Z) in Northern of Iran in 11 years ago. All of regenerating seedlings and saplings of woody plants were divided into two height classes of 15-200 cm and more than 200 cm. In biodiversity study dominance index of Berger-Parker, diversity index of Fisher alpha, richness index of Margalef and evenness index of Equitability J were used. The results showed that abundance and diversity of regenerated species in under story of all plantations of oak were more than unplanted control plots and also under 50Q:50C were more than pure stand of oak. The presence of primary forest species in under stories of mixed plantation showed the usage of these plantations in development of succession in natural
在伊朗的查梅斯坦森林和牧场研究站，对纯林和混交林橡树人工林下树木和灌木物种的更新结构及生物多样性进行了调查。种植的物种包括橡树（作为主要物种）和鹅耳枥（作为伴生物种）。11年前，这些物种在伊朗北部以五种比例（100%橡树、70%橡树:30%鹅耳枥、60%橡树:40%鹅耳枥、50%橡树:50%鹅耳枥、40%橡树:60%鹅耳枥）进行种植。所有木本植物的再生幼苗和幼树被分为两个高度等级，即15 - 200厘米和超过200厘米。在生物多样性研究中，使用了伯杰 - 帕克优势度指数、费希尔阿尔法多样性指数、马加莱夫丰富度指数和公平性J均匀度指数。结果表明，所有橡树林人工林下再生物种的丰度和多样性均高于未种植的对照地块，并且在50%橡树:50%鹅耳枥比例下高于纯林橡树。混交林林下原生森林物种的存在表明了这些人工林在自然演替发展中的作用
