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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Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 24: 57 - 60
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.24.013
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
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.
GUO Shuitu . Research on species composition and soil characteristics of ecological public welfare forest monitoring sample plots in Anxi Banlin State-owned Forest Farm[J]. Anhui Agricultural Science Bulletin, 2025 , 31(24) : 57 -60 . DOI: 10.16377/j.cnki.issn1007-7731.2025.24.013
表1 乔木层树种重要值 |
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