AN ANALYSIS OF THE LANDSCAPE STRUCTURE CHANGES AS AN ECOLOGICAL APPROACH TO ACHIEVE SUSTAINABLE REGIONAL PLANNING (CASE STUDY: LATIAN DAM WATERSHED)

IF 1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Banafsheh Shafie, A. Javid, Homa Irani Behbahani, H. Darabi, F. Hosseinzadeh lotfi
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引用次数: 1

Abstract

The formation of modifications or conception in the landscape could possibly, be a procedure relative to its natural and non-disturbance process; and it could be hastened by the occurrence of disturbance regimes. The objective of this research is to survey the changes in a landscape structure, over a period of 30 years, to attain information, as to the current conditions of land use, utilizing landscape metrics in the watershed area of the Latian Dam, so as to analyze the results and the voids present, towards obtaining a specified sustainable regional planning for the abovementioned watershed. Land use was identified and reviewed by means of four Landsat satellite images for 1987, 1998, 2007, and 2017; and in this watershed, it was classified into four classes, (a) build-up areas, (b) vegetated areas, (c) bare lands and (d) water bodies. Subsequently, by taking advantage of 7 metrics at the landscape level and 8 metrics at the class level, the landscape structure in this watershed was quantified by utilizing the Fragstats 4.2 Software. The survey results illustrated an increment in the number of patches (NP), decrementing the mean area of the patches (AREA-MN), and increasing the Interspersion & Juxtaposition Index (IJI) signifies amplified fragmentation at the landscape level in this watershed. Similarly, the NP has also incremented at the class level, and thus, the fragmentation of patches and fragmentation in the entire three classes of land use, namely, build-up areas, bare lands, and vegetated areas has occurred. The amount of patchiness for the build-up class, with due attention to the increment in the mean area of patches (AREA-MIN), which demonstrates the fact that, this class is inclined and has a tendency towards a coarse-grained structure and a metric decrement in the AREA-MIN in the vegetated areas, illustrates that this class is prone to the fine-grained structure.
景观结构变化作为实现可持续区域规划的生态途径分析(以拉丁坝流域为例)
景观变化或概念的形成可能是一个与其自然和非干扰过程相关的过程;扰动状态的出现可能会加速这一进程。本研究的目的是调查30年来景观结构的变化,利用拉蒂安大坝流域的景观指标,获得有关土地利用现状的信息,从而分析结果和存在的空白,从而为上述流域获得特定的可持续区域规划。通过1987年、1998年、2007年和2017年的四幅陆地卫星图像确定并审查了土地利用情况;在该流域,它被分为四类,(a)堆积区,(b)植被区,(c)裸地和(d)水体。随后,通过利用景观级别的7个指标和类别级别的8个指标,利用Fragstats 4.2软件对该流域的景观结构进行了量化。调查结果表明,斑块数量(NP)增加,斑块平均面积(area-MN)减少,分散和并置指数(IJI)增加,意味着该流域景观层面的碎片化加剧。同样,NP也在阶级层面上增加,因此,在整个三类土地利用中,即堆积区、裸地和植被区,出现了斑块的碎片化和碎片化。堆积类的斑块数量,适当注意斑块平均面积的增加(area-MIN),这表明该类倾向于粗粒结构,植被区的area-MIN有度量递减的趋势,表明该类易于细粒结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
1.90
自引率
7.70%
发文量
41
审稿时长
>12 weeks
期刊介绍: The Journal of Environmental Engineering and Landscape Management publishes original research about the environment with emphasis on sustainability.
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