[1]贾启建,何玲.滨海土地重心迁移及景观梯度变化[J].水土保持研究,2016,23(02):201-206.
　JIA Qijian,HE Ling.Move of Land Barycenter and Changes of Landscdpe Gradient in Coastal Region[J].Research of Soil and Water Conservation,2016,23(02):201-206.
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滨海土地重心迁移及景观梯度变化

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年02期 页码: 201-206 栏目: 出版日期: 2016-04-28
Title:
Move of Land Barycenter and Changes of Landscdpe Gradient in Coastal Region
作者:
贾启建1, 何玲2
1. 河北农业大学 农村发展学院, 河北 保定 071000;
2. 河北农业大学 国土资源学院, 河北 保定 071000
Author(s):
JIA Qijian1, HE Ling2
1. College of Rural Development, Agricultural University of Hebei, Baoding, Hebei 071000, China;
2. College of Land Resources, Agricultural University of Hebei, Baoding, Hebei 071000, China
关键词:
土地利用; 重心迁移; 景观梯度; 土地景观类型; 滨海土地
Keywords:
land use; move of barycenter; landscape gradient; landscape type; coastal region
分类号:
F301.2
摘要:
基于滨海土地特有的类别分布及变化，以Fragstats软件为基础，借助RS和GIS技术，以黄骅市为例进行实证研究，设计土地重心迁移及梯度变化的研究方法，总结其特征变化规律，为土地利用与生态环境建设规划提供借鉴。结果表明：耕地、草地、湿地和盐碱地面积呈现减少趋势，园地、建设用地、盐田和水域呈增加趋势，各地类重心均向不同方向迁移，景观空间梯度变化从水平样带上和垂直样带上体现出滨海区域的特点。水平样带一定范围内距离中心城区越远，土地景观类型就越趋向复杂多样，其聚合度就越差；垂直样带由南到北，多样性指数整体呈上升趋势，中心城区向南，聚合度逐渐增加，向北聚合度呈现先小幅上升后又下降的趋势。
Abstract:
The purpose of this paper is to provide service for land use and ecological environment plan by summarizing changes of categorical distribution in coastal region. The solution is to design methods to analyze the changes of barycenter and gradient in coastal region by using Fragstats software, RS and GIS technology. The results indicate that areas of some lands are reduced, such as cultivated land, grassland, wetland and saline land; the areas of some lands are increased, such as corner, construction land, salt pan and water body. The barycenter of the lands are migrating in different directions. Landscape spatial gradient from the horizontal and vertical transects reflects the characteristics of the coastal region. In horizontal transect, farther from the center of town, the landscape tends to be more complex and diverse, and its aggregation index is worse. In vertical transect, from south to north, Shannon diversity index is upward in the overall trend. In center city, aggregation index is increasing to the south, and it rises slightly at first and then declines to the north.

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备注/Memo

收稿日期:2015-04-03;改回日期:2015-04-21。
基金项目:国土资源部公益性行业科研专项经费项目（201311060）；河北省科技支撑计划项目（132276329）
作者简介:贾启建(1981-),男,河北黄骅人,硕士,助理研究员,主要研究方向为土地资源管理、农林经济管理。E-mail:ncjia@hebau.edu.cn
通讯作者:何玲(1980-),女,河北保定人,博士生,副教授,主要研究方向为土地生态、土地持续利用与土地整治。E-mail:helingsss@163.com

更新日期/Last Update: 1900-01-01