长白山区森林景观格局动态

生态学杂志

长白山区森林景观格局动态

王美玲^1,2,张继超¹,王舶鉴^2,3,王诗洋^2,3,郝占庆²,王绪高^2*#br#

(¹辽宁工程技术大学测绘与地理科学学院，辽宁阜新 123000； ²中国科学院森林生态与管理重点实验室(沈阳应用生态研究所)，沈阳 110016； ^3中国科学院大学，北京 100049)

出版日期:2017-11-10 发布日期:2017-11-10

Dynamics of forest landscape pattern in Changbai Mountain.

WANG Mei-ling^1,2, ZHANG Ji-chao¹, WANG Bo-jian^2,3, WANG Shi-yang^2,3, HAO Zhan-qing², WANG Xu-gao^2*#br#

(¹School of Geomatics, Liaoning Technical University, Fuxin 123000, Liaoning, China; ² Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; ^3University of Chinese Academy of Sciences, Beijing 100049, China).

Online:2017-11-10 Published:2017-11-10

摘要/Abstract

摘要： 本文以长白山国家级自然保护区及其外围的4个林业局为研究区，基于2004年和2015年的Landsat遥感影像数据，分析了保护区与周边林业局的森林景观格局在空间分布、形状、破碎化程度和多样性等方面的变化。结果表明：长白山保护区与周边林业局之间的森林景观格局变化既有一致性，也存在着差异。与2004年相比，2015年保护区与周边林业局的林地景观形状均变得简单规则，针叶林景观面积减少，主要转变成了针阔混交林。保护区内林地总面积基本不变，而保护区周边林业局内的林地总面积共减少了7326 hm²，转出的林地主要变成了耕地，其次是裸地及采伐地和建设用地。保护区及周边林业局普遍表现为景观破碎化加重，景观异质性和景观多样性增加，受人为干扰明显。另外，不同林业局之间的景观格局变化不一致。例如，白河林业局内林地景观形状趋于简单规则，破碎化得到改善，而泉阳和松江河林业局却表现出相反的趋势。

关键词: 京津冀, 沉积物, 污染物, 饮用水源地, 赋存形态

Abstract: Based on Landsat remote sensing image data in 2004 and 2015, we analyzed the changes in spatial distribution, shape, landscape fragmentation and diversity of Changbai Mountain National Nature Reserve and four neighboring forestry bureaus. The results showed that landscape changes did not always differ between the reserve and the neighboring forestry bureaus. The shape of forest landscapes became more regular, and the coniferous forest area decreased, which was mostly converted to broadleaved mixed forest areas from 2004 to 2015 in both the reserve and its neighboring forestry bureaus. The total forest area in the reserve was almost unchanged, while the forest area in the forestry bureaus was reduced by 7326 hm², which was mostly converted to cultivated lands, followed by bare, harvested and construction lands. Generally, the landscapes in the study area tended to become more fragmented, heterogeneous, and diverse from 2004 to 2015, which indicated strong effect of human disturbances. In addition, the landscape changes varied among the four forestry bureaus. For instance, the shape of forest landscapes in Baihe Forestry Bureau became more regular, and the degree of fragmentations decreased, while the other forestry bureaus, such as Quanyang and Songjianghe showed the opposite trend.

Key words: sediment, Beijing-Tianjin-Hebei, drinking water source, pollutants, speciation

王美玲1,2,张继超1,王舶鉴2,3,王诗洋2,3,郝占庆2,王绪高2*. 长白山区森林景观格局动态[J]. 生态学杂志.

WANG Mei-ling1,2, ZHANG Ji-chao1, WANG Bo-jian2,3, WANG Shi-yang2,3, HAO Zhan-qing2, WANG Xu-gao2*. Dynamics of forest landscape pattern in Changbai Mountain.[J]. cje.

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