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浙江大学学报(农业与生命科学版)  2020, Vol. 46 Issue (2): 201-208    DOI: 10.3785/j.issn.1008-9209.2019.05.271
资源利用与环境保护     
自然保护区土地生态适宜性评价
田倩倩1(),黄凤莲2,王开心1,万大娟1(),李嘉琪1,王欢1
1.湖南师范大学资源与环境科学学院,长沙 410012
2.湖南省环境保护科学研究院,长沙 410004
Land ecological suitability evaluation of nature reserve: with Wanfo Mountain Nature Reserve in Hunan Province as an example
Qianqian TIAN1(),Fenglian HUANG2,Kaixin WANG1,Dajuan WAN1(),Jiaqi LI1,Huan WANG1
1.College of Resources and Environmental Sciences, Hunan Normal University, Changsha 410012, China
2.Hunan Research Academy of Environmental Sciences, Changsha 410004, China
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摘要:

为加强土地生态管理,推进自然保护区土地合理利用,本研究运用最小累积阻力模型和地理信息系统(geographic information system, GIS)空间分析方法,采用地形地貌、生态环境、人为干扰、生态功能区4类阻力因子建立阻力评价指标体系,对湖南省万佛山自然保护区展开土地生态适宜性评价研究,并依据空间耦合关系,提出相应的管理建议。根据土地生态适宜性分区结果,万佛山自然保护区可分为4级适宜区:Ⅰ级适宜区占地4 036.04 hm2,应以生态保护为主,控制一切开发建设活动;Ⅱ级适宜区占地3 828.51 hm2,应保持河流、生态园林等景观类型,改善和提高生态系统功能;Ⅲ级适宜区占地1 426.77 hm2,应以保障生态安全为底线,发展生态农业,积极开展退耕还林;Ⅳ级适宜区占地692.11 hm2,应秉持环境保护与环境建设并举的原则,以生态建设为主。

关键词: 地理信息系统土地生态适宜性评价最小累积阻力模型湖南省万佛山自然保护区    
Abstract:

In order to strengthen the ecological management and promote the rational utilization of land in nature reserve, this study used spatial analysis methods of minimum cumulative resistance model and geographic information system (GIS) and resistance evaluation index system, which included four factors of topography, ecological environment, human disturbance and eco-functional zone, to evaluate the land ecological suitability of Wanfo Mountain Nature Reserve in Hunan Province and gave some corresponding regulatory advices according to the spatial coupling relationship. The result showed that according to the ecological suitability of land, Wanfo Mountain Nature Reserve can be divided into four levels. The suitable area of grade Ⅰ was 4 036.04 hm2, where we should give priority to ecological protection and control all construction activities. The suitable area of grade Ⅱ was 3 828.51 hm2, where we should protect the landscape types such as rivers and ecological gardens and improve the function of the ecosystem. The suitable area of grade Ⅲ was 1 426.77 hm2, where we should take the ecological security as the bottom line, develop ecological agriculture and carry out the project of returning farmland to forest actively. The suitable area of grade Ⅳ was 692.11 hm2, where we should adhere to the principle of environmental protection and environmental construction, and focus on ecological construction.

Key words: geographic information system    land ecological suitability evaluation    minimum cumulative resistance model    Wanfo Mountain Nature Reserve in Hunan Province
收稿日期: 2019-05-27 出版日期: 2020-05-22
CLC:  X 826  
基金资助: 湖南省科技计划重点项目(2017NK2140)
通讯作者: 万大娟     E-mail: 844030166@qq.com;30391801@qq.com
作者简介: 田倩倩(https://orcid.org/0000-0002-1222-5261),E-mail:844030166@qq.com
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引用本文:

田倩倩,黄凤莲,王开心,万大娟,李嘉琪,王欢. 自然保护区土地生态适宜性评价[J]. 浙江大学学报(农业与生命科学版), 2020, 46(2): 201-208.

Qianqian TIAN,Fenglian HUANG,Kaixin WANG,Dajuan WAN,Jiaqi LI,Huan WANG. Land ecological suitability evaluation of nature reserve: with Wanfo Mountain Nature Reserve in Hunan Province as an example. Journal of Zhejiang University (Agriculture and Life Sciences), 2020, 46(2): 201-208.

链接本文:

http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2019.05.271        http://www.zjujournals.com/agr/CN/Y2020/V46/I2/201

阻力因子

Resistance factor

阻力等级区间 Resistance level interval权重Weight
12345

地形地貌因子

Topographic

factor

高程

Elevation/m

>898>664~898>509~664441~509<4410.046 7

坡度

Slope/(°)

>25>15~25>10~155~10<50.046 7

坡向

Slope aspect

北向

Northward

东北向

Northeastward

西北向

Northwestward

东向

Eastward

西向

Westward

东南向

Southeastward

西南向

Southwestward

南向

Southward

0.015 6

生态环境因子

Eco-environmental

factor

土地利用类型

Type of land use

水域

Waters

林地

Woodland

耕地

Cultivated land

其他农用地

Other agricultural

land

园地

Garden plot

自然保留地

Natural reserved land

交通水利用地

Transportation

water conservancy land

城乡建设用地

Urban and rural

construction

land

0.231 3

植被覆盖度

Vegetation coverage

>0.8>0.6~0.8>0.4~0.60.2~0.4<0.20.054 8

距邻近水体距离

Distance from the

adjacent waters/m

<5050~100>100~150>150~200>2000.065 0

人为干扰因子

Human

disturbance

factor

距道路距离

Distance from

the road/m

>3 000>2 000~3 000

>1 000~

2 000

500~1 000<5000.062 9

距居民点距离

Distance from the

settlements/m

>1 000>800~1 000>600~800400~600<4000.125 8

生态功能区因子

Eco-functional

zone factor

DAA

一级保护区

PRA

二级保护区

SEA

三级保护区

TEA

0.175 6
WAP

一级保护区

PRA

二级保护区

SEA

三级保护区

TEA

0.175 6
表1  阻力评价指标体系
图 1  阻力基面
图 2  最小累积阻力表面
图 3  标准方差分类图层
图 4  标准方差分类类别与像元数量的线性关系

生态适宜

性分区

Zoning of

ecological

suitability

最小累积阻力

分级区间

Grading interval

of minimum

cumulative

resistance

像元数量

Number of pixels

含义

Meaning

Ⅰ级适宜区

Grade Ⅰ

suitable area

0~1 641.5844 576适宜生态林地、丹霞地貌保护区建设

Ⅱ级适宜区

Grade Ⅱ

suitable area

>1 641.58~4 651.5942 284适宜水域、园林用地

Ⅲ级适宜区

Grade Ⅲ

suitable area

>4 651.59~6 156.6015 758适宜生态农业用地

Ⅳ级适宜区

Grade Ⅳ

suitable area

>6 156.60~17 258.457 644适宜城镇发展建设用地
表 2  生态适宜性分区阈值
图 5  土地生态适宜性分区结果

生态适宜性分区

Zoning of ecological

suitability

面积

Area/hm2

占保护区总面积比例

Percentage of the total

protected area/%

Ⅰ级适宜区

Grade Ⅰ suitable area

4 036.0440.43

Ⅱ级适宜区

Grade Ⅱ suitable area

3 828.5138.35

Ⅲ级适宜区

Grade Ⅲ suitable area

1 426.7714.29

Ⅳ级适宜区

Grade Ⅳ suitable area

692.116.93
表3  研究区生态适宜性评价
图6  分区结果与生态用地空间分布

生态适宜性分区

Zoning of ecological

suitability

林地 Woodland水域 Waters园地 Garden plot耕地 Cultivated land

面积

Area/hm2

占比

Proportion/%

面积

Area/hm2

占比

Proportion/%

面积

Area/hm2

占比

Proportion/%

面积

Area/hm2

占比

Proportion/%

合计 Total8 631.01100.00119.60100.0046.65100.00759.40100.00

Ⅰ级适宜区

Grade Ⅰ suitable area

3 770.5143.6924.2720.2910.1421.74178.5123.51

Ⅱ级适宜区

Grade Ⅱ suitable area

3 251.8037.6861.7051.5923.7550.91351.9046.34

Ⅲ级适宜区

Grade Ⅲ suitable area

1 169.3413.5527.5423.034.9110.53177.5623.38

Ⅳ级适宜区

Grade Ⅳ suitable area

439.365.096.095.097.8516.8251.436.77
表 4  生态用地在各分区中的分布
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