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[1]ZHAO Qinghe,XU Shanshan,MA Lijiao,et al.Analysis of Plant Species Diversity Under Different Vegetation Types in Riparian Zone of the Main Stream of Beijiang River[J].Research of Soil and Water Conservation,2017,24(05):215-221.

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Analysis of Plant Species Diversity Under Different Vegetation Types in Riparian Zone of the Main Stream of Beijiang River

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 05 Page number: 215-221 Column: Public date: 2017-10-28

Title:: Analysis of Plant Species Diversity Under Different Vegetation Types in Riparian Zone of the Main Stream of Beijiang River

Author(s):: ZHAO Qinghe^1,2, XU Shanshan^1,2, MA Lijiao^1,2, WU Changsong^1,2; 1. Key Laboratory of Geospatial Technology for the Regions of Middle and Lower Reaches of Yellow River, Ministry of Education, Kaifeng, He’nan 475004, China;
2. College of Environment and Planning, He’nan University, Kaifeng, He’nan 475004, China

Keywords:: riparian zone; species diversity; environmental factors; redundancy analysis; Beijiang Basin

CLC:: Q142

DOI:: -

Abstract:: Taking 4 kinds of typical vegetation types such as the bamboo forest, grassland, mixed forest, and eucalyptus forest in the riparian zone along the Beijiang River as the research samples, using the quadrat sampling method and the redundancy analysis (RDA), we conducted the study to investigate the community characteristics and species diversity of riparian vegetation as well as the relationship between plant species diversity and environmental factors. The results showed that, influenced by the tropical monsoon climate which can provide suitable hydrothermal conditions for the growth of plants, 136 species belonging to 116 genuses and 59 families were found in the riparian zone of Beijiang River. With regarding to species diversity of different vegetation types, changes in richness index, Shannon-Wiener diversity index, and evenness index of the riparian plant species were consistent with each other, namely, ranking from high to low in the order of mixed forest, bamboo forest, grassland, and eucalyptus forest. Nevertheless, there was no significant difference among the 4 vegetation types, indicating that there was less heterogeneity in maintaining species diversity between different riparian vegetation types, and then the services of riparian zone in maintaining species diversity mainly was reflected in providing habitats for different species. RDA result showed that, the richness, evenness, and diversity indexes of the plant species were positively correlated with the tree height, herbaceous coverage, and altitude, and were negatively correlated with the distance away from the river and soil moisture content. In general, among the 7 environmental factors we selected, altitude exhibited the greatest influence on the species diversity of the plants in the riparian zone along Beijiang River, and then followed by the soil moisture content, while the influence of the distance away from the river was the least.

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