Characteristics of Plant Diversity Under Different Soil and Water Loss Control Models in Granite Erosion Area

Peng Lang; Duan Jian; Liu Shiyu; Tang Chongjun; Zheng Haijin

doi:10.13961/j.cnki.stbctb.20211014.001

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Characteristics of Plant Diversity Under Different Soil and Water Loss Control Models in Granite Erosion Area

- Characteristics of Plant Diversity Under Different Soil and Water Loss Control Models in Granite Erosion Area
- Bulletin of Soiland Water Conservation Vol. 42, Issue 1, Pages: 191-197(2022)
- 作者机构：
  
  1. 江西农业大学国土资源与环境学院,江西,南昌,330045
  2. 江西省水利科学院江西省土壤侵蚀与防治重点实验室,江西,南昌,330029
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20211014.001
  CLC： S157.2
- Published：2022
- 稿件说明：
移动端阅览
Peng Lang, Duan Jian, Liu Shiyu, et al. Characteristics of Plant Diversity Under Different Soil and Water Loss Control Models in Granite Erosion Area[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 191-197.
DOI：

Peng Lang, Duan Jian, Liu Shiyu, et al. Characteristics of Plant Diversity Under Different Soil and Water Loss Control Models in Granite Erosion Area[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 191-197. DOI： 10.13961/j.cnki.stbctb.20211014.001.

摘要

[目的] 对比不同治理模式治理模式下植物群落结构及其多样性差异，为水土流失治理与植被恢复提供科学依据。[方法] 以江西省兴国县塘背小流域为研究区域，选取果园开发(模式A)、生态恢复(模式B)为水土流失主要治理模式，以次生林、未人为治理样地(对照，CK)作为对照样地，采用群落学样方调查法，调查分析各林地植物群落的物种组成、群落结构及植物多样性。[结果] ①模式A、模式B、次生林、CK的乔灌层优势种分别为脐橙、马尾松、青冈和马尾松。草本层优势种在模式A中为马唐、其余3组均为芒萁。相较CK，模式A群落结构发生改变，模式B的群落结构并没有改变，仍以马尾松、芒萁等阳性先锋植物为主；②次生林的物种丰富度、辛普森多样性指数、香农—威纳指数和均匀度指数均最高，相较于CK，模式A、模式B对于物种丰富度及植物多样性均有提升，两者多样性水平相近；③各样地植物群落组成整体表现为极不相似，共有植物种仅有一种。相较于模式A，模式B、次生林和CK之间的群落组成较为相似。[结论] 进行水土流失治理有利于植被的恢复。果园开发模式在满足水土流失治理和植被恢复的同时，具备一定的经济效益，是值得推广的水土流失治理模式。

Abstract

[Objective] Differences in plant community structure and diversity under different control models were compared in order to provide a scientific basis for soil erosion control and vegetation restoration measures. [Methods] The Tangbei small watershed in Xingguo County

Jiangxi Province was selected as the research area

and orchard development (model A) and ecological restoration (model B) were selected as the main soil and water loss control models. Selected secondary forests and no artificial governance forest land (control

CK) were used as control plots

and the community sampling method was used to investigate and analyze species composition

community structure

and plant diversity of the plant communities at each woodland location. [Results] ① The dominant species in model A

model B

secondary forest

and CK arbor-irrigation were Citrus sinensis

Pinus massoniana

Cyclobalanopsis glauca

and P. massoniana

respectively. The dominant species in the herbaceous layer were Digitaria sanguinalis in model A

and in the other three groups the dominant species were Dicranopteris pedata. Compared with the CK

the community structure of model A had changed

and the community structure of model B had not changed

still being dominated by positive pioneer plants such as P. massoniana and D. pedata. ② Species richness

Simpson diversity index

Shannon-Wiener index

and Evenness index of the secondary forest were the highest. Compared with the CK

models A and B had improved species richness and plant diversity

but both of these factors were lower than those of the secondary forest. The level of diversity was similar. ③ The overall performance of the plant communities in the four woodlands was very different

and there was only one plant species in common. Compared with model A

the community composition of model B

secondary forest

and CK were more similar. [Conclusion] Controlling soil erosion is beneficial to the restoration of vegetation. The orchard development model not only meets the requirements of soil erosion control and vegetation recovery

but also has certain economic benefits. It is a model worthy popularizing for soil and water loss control.

关键词

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