Assessment on Land Use Suitability of Mudanjiang City

MA Quanlai; GAO Fengjie; HOU Dawei; LIU Yang; JIANG Han; HAN Wenwen; SHAN Peiming

doi:10.13961/j.cnki.stbctb.20151015.001

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Assessment on Land Use Suitability of Mudanjiang City

- Assessment on Land Use Suitability of Mudanjiang City
- Bulletin of Soiland Water Conservation Vol. 35, Issue 6, Pages: 285-290(2015)
- 作者机构：
  
  东北农业大学资源与环境学院,黑龙江,哈尔滨,150030
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20151015.001
  CLC：
- Published：2015
- 稿件说明：
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MA Quanlai, GAO Fengjie, HOU Dawei, et al. Assessment on Land Use Suitability of Mudanjiang City[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 285-290.
DOI：

MA Quanlai, GAO Fengjie, HOU Dawei, et al. Assessment on Land Use Suitability of Mudanjiang City[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 285-290. DOI： 10.13961/j.cnki.stbctb.20151015.001.

摘要

[目的

]

评价牡丹江市退耕还林地区土地利用效益

对土地利用结构进行优化

为该区进一步土地开发利用及结构调整提供科学依据与支持。[方法

]

选取牡丹江市的坡度、高程、土壤类型、水资源系数、降水量和≥10℃积温6个因素作为评价因子

通过模型计算及GIS空间分析

得出研究区内宜农用地、宜林用地适宜性等级。[结果

]

处于适宜级以上的农业用地总面积约9300 km

占研究区面积的22.9%

主要分布于坡度小于5°、海拔500 m以下的区域;处于适宜级以上的林业用地总面积约28000 km

占研究区总面积的69.0%

主要分布于海拔高、坡度大、多水土流失的山区丘陵地带。[结论

]

土地利用现状分析结果表明

在农林交错地带存在过度退耕、造成耕地浪费的现象。

Abstract

[Objective] The land use benefits from grain-for-green project in Mudanjiang City were evaluated

and we expected to propose some scientific bases for rational land exploitation and structural adjustment of land use.[Methods] Based GIS spatial analysis

six natural indicators

including slope gradient

elevation

soil type

coefficient of water resource

precipitation

and ≥10℃ accumulated temperature were calculated. They were used as evaluation factors to assess the suitability of lands in Mudangjiang City for cultivated land and forestry land.[Results] The results showed that the land area assessed suitable to cultivation was about 9300 km2

accounting for 22.9% of the study area. The slope gradient of these lands is below 5ånd the elevation is below 500 m. Lands assessed with forestry suitability grade had about 28000 km2

covered 69.0% of the study area and mainly located at mountainous region

where both the elevation and slope gradient are great and the soil is vulnerable and erosive.[Conclusion] In forest-agriculture zone

present land use exists a phenomenon of overly returning farming land to forestry. This might cause the waste of suitable cultivation lands.

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references

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