基于景观尺度的黄土丘陵区植被覆盖时空变化——以山西省晋城市为例

曹会; 刘立文; 李雨珂; 温秋园

doi:10.13686/j.cnki.dzyzy.2022.04.010

基于景观尺度的黄土丘陵区植被覆盖时空变化——以山西省晋城市为例

曹会^1,,
刘立文²,
李雨珂¹,
温秋园¹

1.
中国地质调查局牡丹江自然资源综合调查中心, 黑龙江牡丹江 157021

2.
山西农业大学资源环境学院, 山西太原 030031

基金项目:
中国地质调查局项目"东北边境珲春-虎头地区综合地质遥感调查"(DD20208015)

详细信息

作者简介: 曹会(1987—), 女, 硕士, 工程师, 主要从事遥感解译工作, 通信地址黑龙江省牡丹江市东安区卧龙街45号, E-mail// 22234540@qq.com

中图分类号: X171.1

收稿日期: 2021-02-23

修回日期: 2021-04-24

刊出日期: 2022-08-25

SPATIOTEMPORAL VARIATION OF VEGETATION COVERAGE ON LANDSCAPE SCALE IN HILLY LOESS REGION: A Case Study of Jincheng City in Shanxi Province

CAO Hui^1,,
LIU Li-wen²,
LI Yu-ke¹,
WEN Qiu-yuan¹

1.
Mudanjiang Natural Resources Comprehensive Survey Center, CGS, Mudanjiang 157021, Heilongjiang Province, China

2.
School of Resources and Environment, Shanxi Agricultural University, Taiyuan 030031, China

Received Date: 23 February 2021

Revised Date: 24 April 2021

Publish Date: 25 August 2022

摘要

摘要:
植被覆盖是评价区域生态环境状态的主要影响因子. 基于景观生态学的分析方法, 以2006—2015年的MOD13Q1遥感数据为基础, 获取植被覆盖指数, 对山西省晋城市植被覆盖时空变化进行研究. 结果表明: 研究区植被覆盖呈现增加趋势, 主要增加的类型为高植被覆盖. 植被覆盖指数分布与高程和坡度正相关, 即高程越高、坡度越大的地区植被覆盖指数越高. 在景观尺度上, 植被覆盖的类型呈现出一种集中趋势, 即景观内部异质性和多样性降低, 高植被覆盖斑块对景观的支配程度加强且逐渐处于优势地位. 在斑块类型尺度上, 以高植被覆盖为主, 且斑块所占比例呈增加趋势. 此外高植被覆盖景观破碎程度减小, 复杂度降低, 形状逐渐规则.
- 遥感 /
- MOD13Q1数据 /
- 植被覆盖 /
- 景观格局 /
- 黄土丘陵区 /
- 山西省
Abstract:
Vegetation coverage is the main factor affecting the evaluation of regional eco-environment. Through the landscape ecological analysis method, the vegetation coverage index (VCI) is acquired to study the spatiotemporal variation of vegetation coverage in Jincheng City of Shanxi Province based on the MOD13Q1 remote sensing data during 2006-2015. The results indicate that the vegetation coverage show an increasing trend, dominated by high coverage vegetation. The distribution of VCI is positively correlated with elevation and slope, i.e., the higher elevation and the steeper slope, the greater VCI. The vegetation coverage types show a concentrated tendency at landscape scale, while the internal heterogeneity and diversity of landscape are reduced, the high vegetation coverage patch becomes more dominant and gradually superior. At patch scale, high coverage vegetation is dominant, with increasing proportion of patch. Furthermore, the high coverage vegetation is characterized by reduced landscape fragmentation and complexity, and gradually regular shape.
- remote sensing /
- MOD13Q1 data /
- vegetation coverage /
- landscape pattern /
- hilly loess region /
- Shanxi Province

HTML全文

图 1 研究区地貌及位置图

Figure 1.

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图 2 2006—2015年晋城市平均植被覆盖分级图

Figure 2.

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图 3 2006—2015年晋城市不同植被覆盖等级面积及比例变化

Figure 3.

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图 4 2006—2015年晋城市景观指数变化图

Figure 4.

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图 5 2006—2015年晋城市不同植被覆盖等级斑块类型指数变化图

Figure 5.

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表 1 2006—2015年晋城市不同高程植被覆盖指数变化

Table 1. Changes of vegetation coverage index by elevations in Jincheng City during 2006-2015

高程/m	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	平均值
< 600	0.76	0.75	0.76	0.73	0.77	0.78	0.82	0.77	0.78	0.82	0.77
600~1000	0.76	0.75	0.76	0.71	0.76	0.78	0.82	0.76	0.78	0.81	0.77
1000~1400	0.89	0.89	0.90	0.88	0.90	0.91	0.94	0.90	0.93	0.94	0.91
1400~1800	0.98	0.98	0.99	0.98	1.00	1.00	1.00	0.99	1.00	1.00	0.99
>1800	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00

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表 2 2006—2015年晋城市不同坡度植被覆盖指数变化

Table 2. Changes of vegetation coverage index by slope gradients in Jincheng City during 2006-2015

坡度/°	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	平均值
0~2	0.71	0.70	0.70	0.64	0.69	0.72	0.76	0.69	0.72	0.75	0.71
2~6	0.73	0.71	0.72	0.66	0.71	0.74	0.78	0.71	0.73	0.77	0.73
6~15	0.79	0.78	0.79	0.74	0.79	0.80	0.84	0.79	0.81	0.84	0.80
15~25	0.87	0.86	0.87	0.85	0.88	0.89	0.92	0.88	0.90	0.92	0.89
>25	0.94	0.94	0.95	0.94	0.96	0.96	0.98	0.95	0.97	0.99	0.96

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表 3 2006—2015年晋城市不同地理单元下植被覆盖指数变化

Table 3. Changes of vegetation coverage index by geographical units in Jincheng City during 2006-2015

地区	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015
晋城市	0.82	0.82	0.83	0.79	0.83	0.84	0.88	0.83	0.85	0.87
城区	0.83	0.81	0.82	0.83	0.83	0.85	0.89	0.81	0.84	0.86
沁水县	0.85	0.84	0.85	0.81	0.85	0.88	0.89	0.86	0.88	0.90
高平市	0.74	0.72	0.72	0.65	0.68	0.73	0.78	0.70	0.73	0.78
陵川县	0.89	0.88	0.88	0.88	0.90	0.89	0.94	0.88	0.91	0.93
阳城县	0.83	0.84	0.85	0.79	0.87	0.86	0.89	0.86	0.88	0.89
泽州县	0.77	0.76	0.77	0.74	0.77	0.79	0.83	0.77	0.79	0.82

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基于景观尺度的黄土丘陵区植被覆盖时空变化——以山西省晋城市为例

1. 中国地质调查局 牡丹江自然资源综合调查中心, 黑龙江 牡丹江 157021 2. 山西农业大学 资源环境学院, 山西 太原 030031

作者简介: 曹会(1987—), 女, 硕士, 工程师, 主要从事遥感解译工作, 通信地址 黑龙江省牡丹江市东安区卧龙街45号, E-mail// 22234540@qq.com

SPATIOTEMPORAL VARIATION OF VEGETATION COVERAGE ON LANDSCAPE SCALE IN HILLY LOESS REGION: A Case Study of Jincheng City in Shanxi Province

1. Mudanjiang Natural Resources Comprehensive Survey Center, CGS, Mudanjiang 157021, Heilongjiang Province, China 2. School of Resources and Environment, Shanxi Agricultural University, Taiyuan 030031, China

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1.
中国地质调查局牡丹江自然资源综合调查中心, 黑龙江牡丹江 157021

2.
山西农业大学资源环境学院, 山西太原 030031

作者简介: 曹会(1987—), 女, 硕士, 工程师, 主要从事遥感解译工作, 通信地址黑龙江省牡丹江市东安区卧龙街45号, E-mail// 22234540@qq.com

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Mudanjiang Natural Resources Comprehensive Survey Center, CGS, Mudanjiang 157021, Heilongjiang Province, China

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School of Resources and Environment, Shanxi Agricultural University, Taiyuan 030031, China