1 材料与方法
1.1 试验地基本情况
1.2 研究方法
1.2.1 样地选址与建设
1.2.2 物种调查
1.2.3 土壤调查
1.3 数据统计与分析
2 结果与分析
2.1 物种组成
2.1.1 乔木层
表1 乔木层树种重要值 |
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安徽农学通报 >
2025 , Vol. 31 >Issue 24: 57 - 60
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.24.013
中亚热带生态公益林监测样地的物种组成与土壤特征研究
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郭水土(1982—),男,福建安溪人,工程师,从事森林资源培育、森林资源管理工作。 |
Copy editor: 吴思文
收稿日期: 2025-08-09
网络出版日期: 2025-12-25
基金资助
泉州市财政森林资源培育与管护专项资金(泉财指标〔2023〕880号)
Research on species composition and soil characteristics of ecological public welfare forest monitoring sample plots in Anxi Banlin State-owned Forest Farm
Received date: 2025-08-09
Online published: 2025-12-25
本研究以福建省安溪半林国有林场水洋工区1 hm2公益林监测样地为研究对象,调查其物种组成、相对多度、相对频度、相对显著度等,以及土壤特征。结果表明,物种组成方面,乔木层有51种,共2 839株,细齿叶柃为该地优势种,该类型Shannon-Wiener多样性指数(H′)、Pielou均匀度指数(J)分别为3.62、0.81;直径在1~5 cm的灌木有6 104株,直径1 cm以下的灌木有2 483株,灌木层的H′、J分别为3.56、0.82;草本层总株数为5 594株,其H′、J分别为2.89、0.75。土壤特征方面,该样地pH为8.19,呈弱碱性,养分不均衡,物理结构疏松通透。综上,该林场样地的乔木层物种多样性丰富且分布较均匀,灌木层物种丰富且数量较多,草本层覆盖度较高。本文为该区域公益林的保护经营、物种多样性维护及土壤改良提供参考。
郭水土 . 中亚热带生态公益林监测样地的物种组成与土壤特征研究[J]. 安徽农学通报, 2025 , 31(24) : 57 -60 . DOI: 10.16377/j.cnki.issn1007-7731.2025.24.013
This study took the 1 hm2 public welfare forest monitoring sample plot in Shuiyang Work Area of Anxi Banlin State-owned Forest Farm, Fujian Province as the research object, and investigated its species composition, relative abundance, relative frequency, relative significance, etc., as well as soil characteristics. The results showed that in terms of species composition, there were 51 species in the tree layer, totaling 2 839 plants. Eurya nitida was the dominant species in this area. There were 6 104 shrubs with diameters ranging from 1 to 5 cm, and 2 483 shrubs with a diameter less than 1 cm. The Shannon-Wiener diversity index (H') and Pielou evenness index (J) of this type were 3.62 and 0.81, respectively. The H' and J of the shrub layer were 3.56 and 0.82 respectively; the total number of plants in the herbaceous layer was 5 594, and their H'and J were 2.89 and 0.75 respectively. In terms of soil characteristics, the pH of this sample plot was 8.19, showing weak alkalinity, with unbalanced nutrients and a loose and well-permeable physical structure. In summary, The species diversity of the tree layer in this forest farm sample plot was rich and the distribution was relatively uniform, the shrub layer was rich in species and had a large number, and the herbaceous layer had a relatively high coverage. This article provides a reference for the protection and management of public welfare forests in this area, the maintenance of species diversity and soil improvement.
表1 乔木层树种重要值 |
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