| 黄河故道湿地土壤质量因子与景观类型的耦合关系 |
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| 引用本文： | 朱新玉.黄河故道湿地土壤质量因子与景观类型的耦合关系[J].资源科学,2015,37(1):85-93. |
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| 作者姓名： | 朱新玉 |
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| 作者单位： | 商丘师范学院环境与规划学院, 商丘 476000 |
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| 基金项目： | 国家社会科学基金青年项目(编号:14CJY077);教育部人文社会科学研究青年基金项目(编号:13YJCZH283;12YJCZH120);商丘师范学院青年科研基金项目(编号:2011QN21)。 |
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| 摘 要： | 在湿地生态系统恢复重建过程中,湿地土壤质量变动与景观类型的相互关系及其耦合机制的研究,已成为国内外学者研究的热点问题。本文以豫东黄河故道湿地为研究对象,利用主成分分析、线性回归分析和典型相关分析等方法,研究故道湿地景观类型与土壤质量因子之间的关系,探讨景观类型与土壤生态过程之间的耦合关系。结果显示:1主成分分析(PCA)和典型相关分析(CCA)表明,主成分与湿地景观类型密切相关;主成分P1(土壤有机质与微生物活性)与山杨林地的相关性最大;主成分P2(土壤总磷与容重)与莎草沼泽的相关性最大;主成分P3(土壤p H值)与碱蓬滩地的相关性最大;2土壤性质的改变能够很好地响应湿地景观类型,各景观类型从故堤向外延伸呈顺时针分布在CCA排序轴上,且土壤生态过程与湿地景观类型之间呈现出不同的相关性;3多元回归分析表明,3个主成分与景观类型序列的相关系数为0.955,R2=0.893(F=48.486,p=0.001),湿地景观类型与土壤质量因子的梯度变化密切相关;湿地土壤生态过程是豫东黄河故道湿地景观类型演变的驱动力之一。
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| 关 键 词： | 黄河故道 湿地 景观类型 土壤质量 耦合关系 |
| 收稿时间： | 6/5/2014 12:00:00 AM |
The coupling relationship between soil quality factors and landscape patterns in the Old Yellow River wetland |
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| ZHU Xinyu.The coupling relationship between soil quality factors and landscape patterns in the Old Yellow River wetland[J].Resources Science,2015,37(1):85-93. |
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| Authors: | ZHU Xinyu |
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| Institution: | College of Environment and Planning, Shangqiu Normal University, Shangqiu 476000, China |
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| Abstract: | In the restoration and reconstruction process of wetland ecosystems,the coupling mechanism and relationships between changes in wetland soil quality and landscape patterns have become hot issues. Here,I selected the Old Yellow River wetland in eastern Henan province as a case study,and used principal component analysis,linear regression analysis and canonical correspondence analysis to explore relationships between wetland soil quality factors and landscape patterns. The goal was to clarify coupling relationships for soil eco-processes and landscape patterns. The principal component analysis and canonical correspondence analysis showed that the three main principal components had close correlations with landscape patterns. The relevance ranking of main components and landscape patterns were as follows:the first soil organic matter and microbial activity component was closely correlated with Populus davidiana; the second soil total phosphorus and soil bulk density component had the best correlation with Cyperus rotundus L.;and Suaeda glauca Bunge beach had the highest correlation with the third soil pH component. Variation in soil properties responded well to changes in landscape patterns. Soil eco-processes and landscape patterns showed different correlations,and the six landscape patterns were regularly located in the canonical correspondence analysis ordination shaft in a clockwise direction outward from the ancient dam. Multiple regression revealed that the correlation coefficient of landscape patterns series and three principal components was 0.955,R2= 0.893(F= 48.486,p=0.001). Wetland landscape patterns were closely related with the gradient of soil quality factors. Soil eco-processes may be one of the main driving forces of landscape pattern evolution in the Old Yellow River wetland. |
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| Keywords: | Old Yellow River wetland landscape patterns soil quality coupling relationship |
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