长江流域资源与环境 >> 2016, Vol. 25 >> Issue (10): 1576-1584.doi: 10.11870/cjlyzyyhj201610012

•　生态环境　• 上一篇    下一篇

茶园土壤速效磷乡镇尺度下空间异质性对比分析——以江浙地区优质名茶种植区为例

董立宽1,2, 方斌1,2,3,4, 施龙博1,2, 马鑫雨2,5, 郑俊5   

  1. 1. 南京师范大学新型城镇化与土地问题研究中心, 江苏 南京 210023;
    2. 南京师范大学地理科学学院, 江苏 南京 210023;
    3. 江苏省地理信息资源开发与利用协同创新中心, 江苏 南京 210023;
    4. 江苏省物质循环与污染控制重点实验室, 江苏 南京 210023;
    5. 湖州市环境监测中心站, 浙江 湖州 313000
  • 收稿日期:2016-02-12 修回日期:2016-03-18 出版日期:2016-10-20
  • 通讯作者: 方斌,E-mail:wenyanfang731@163.com E-mail:wenyanfang731@163.com
  • 作者简介:董立宽(1990~),男,硕士研究生,从事土地资源管理研究.E-mail:likuandong@139.com
  • 基金资助:
    国家自然基金（41271189）：优质农产品地理特征指标的测度研究—以江浙地区优质茶叶为例；湖州市科技公益性技术应用研究（一般）项目（2015GY30）：太湖流域农业土壤非点源污染来源、流失和固定

COMPARATIVE ANALYSIS OF SPATIAL HETEROGENEITY OF SOIL AVAILABLE PHOSPHORUS AT THE TOWNSHIP SCALE——TAKING THE HIGH~QUALITY TEA PLANTING AREA IN JIANGSU AND ZHEJIANG AS EXAMPLES

DONG Li-kuan1,2, FANG Bin1,2,3,4, SHI Long-bo1,2, MA Xin-yu2,5, ZHENG Jun5   

  1. 1. Nanjing Normal University, New Urbanization and Land Research Center, Nanjing 210023, China;
    2. Nanjing Normal University, College of Geography, Nanjing 210023, China;
    3. Jiangsu Province Geographic Information Resources Development and Utilization of Collaborative Innovation Center, Nanjing 210023, China;
    4. Material Recycling and Pollution Control Key Laboratory of Jiangsu Province, Nanjing 210023, China;
    5. Huzhou City Environmental Monitoring Center Station, Huzhou 313000, China
  • Received:2016-02-12 Revised:2016-03-18 Online:2016-10-20
  • Supported by:
    National Natural Science Fund (41271189):Measurement Research in Geographical Characteristic Indexes of High Quality Agricultural Products-A Case Study on High Quality Tea in Jiangsu Province and Zhejiang Province;Application Research on Technology Application of Huzhou Science & Technology (general) Project (2015GY30):Source, Drain and Fixation of Agricultural Soil Nonpoint Source Pollution in Taihu River Basin.

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摘要： 土壤中磷素的含量对土壤肥力和茶叶品质起着至关重要的作用，探讨土壤磷素含量的空间分布特征及其影响因素，可以为茶园管理和茶叶品质的提升提供理论指导。以江苏省东山镇和浙江省溪龙乡两个优质名茶种植区为例，在遥感影像和DEM数据的基础上，应用地统计学方法，对比研究了两个茶园土壤速效磷含量的空间异质性特征。结果表明：（1）按土壤肥力等级标准，东山镇和溪龙乡速效磷含量的平均水平均较高，利于茶叶生长；（2）东山镇和溪龙乡速效磷含量的变异系数分别为0.46和0.52，均属于中等强度变异；（3）空间插值结果显示，东山镇和溪龙乡速效磷在空间上都具有相连成片的特征，但东山镇速效磷呈阶梯状分布特征，而溪龙乡速效磷则呈辐射状分布特征；（4）东山镇和溪龙乡速效磷的块基比值分别为0.343和0.142，表明溪龙乡速效磷受随机性因素的影响较东山镇的小，而受结构性因素的影响较东山镇的大。

关键词: 茶园, 土壤速效磷, 地统计学, 空间异质性, 对比分析

Abstract: The content of phosphorus in soil is important to soil fertility and tea quality. Exploring the spatial distribution characteristics of soil phosphorus and its influencing factors can provide theoretical guidance for tea garden management and tea quality improvement. Taking the typical tea gardens in Jiangsu and Zhejiang Provinces as the study areas, in this paper we studied comparatively the characteristics of spatial heterogeneity of soil available phosphorus using GIS techniques with geostatistics methods, remote sensing and DEM data. The results showed that:(1) According to the soil fertility grade standard, the overall levels of available phosphorus in Dongshan and Xi Long were both high and conducive to the growth of tea. (2) The coefficients of variation of soil available phosphorus in Dongshan and Xilong were 0.46 and 0.52, both of which belonged to moderate intensity variation. (3) The spatial interpolation results showed that the spatial distribution of soil available phosphorus in Dongshan and Xilong had such characteristic, those places where the content of soil available phosphorus were the same can be connected together. (4) The coefficients of nugget of available phosphorus in Dongshan and XiLong were 0.343 and 0.142, which proved that compared with Dongshan, the spatial distribution of soil available phosphorus in Xilong was influenced less by random factors, such as tea garden road and management, while was influenced larger by the natural factors such as the soil properties, landform and topography.

Key words: tea gardens, soil available phosphorus, geostatistics, spatial heterogeneity, comparative analysis

中图分类号: 

  • S153.61
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