分区概念:景观水平参数及应用

Q3 Environmental Science Journal of Landscape Ecology(Czech Republic) Pub Date : 2023-08-22 DOI:10.2478/jlecol-2023-0009
Petr Dujka, A. Kusbach
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引用次数: 0

摘要

地带概念是土地评估的传统方法。虽然它的原理已经知道了一百多年,但它们还没有用现代分析方法进行彻底的评估。本研究的目标是评估经验建立的参数,以表征地带性场地,建立重要环境因素的阈值,以及评估地带性概念的适用性。所分析的数据来自强大而客观的捷克国家森林清查数据库。采用回归分析法、间接排序法、层次聚类法和空间分析法对地理信息系统进行分析。研究揭示了7个关键环境因子:坡度、坡高、地形表面纹理、负开放性、谷底平整度多分辨率指数、土壤类型和土壤亚型。基于计算的因子阈值,构建了地带性站点的图形模型。这种有条理的方法引入了重要的地貌信息,否则在野外测绘中难以检测到。我们建议可以使用分区概念作为一般景观评估的基础层。地带性立地分类可以成为精确土地管理实践的一部分,由传统景观生态分类的宝贵经验组成,丰富了干扰生态学建模和气候变化影响预测。
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Zonal Concept: Landscape Level Parameters and Application
Abstract Zonal concept is a traditional approach in land assessment. Although its principles have been known for over a hundred years, they have not yet been thoroughly evaluated using modern analytical approaches. Assessing the empirically established parameters for characterising a zonal site, establishing threshold values of significant environmental factors, along with assessing the applicability of the zonal concept, were the goals of this study. The data analysed were obtained from the robust and objective Czech National Forest Inventory database. Regression, indirect ordination, hierarchical clustering and spatial analyses of geo-information systems were used. The study revealed seven crucial environmental factors: Slope, Slope Height, Terrain Surface Texture, Negative Openness, Multi-Resolution Index of Valley Bottom Flatness, Soil Type and Soil Subtype. A graphical model of zonal/azonal sites was constructed based on calculated threshold values of the factors. This methodic approach introduces significant geomorphological information that are otherwise problematically detectable in field mapping. We suggest it is possible to use the zonal concept as a base layer for general landscape assessment. Zonal site classification can become a part of a precise land management practice, consisting of valuable empiricism of traditional landscape ecological classifications enriched by modelling in disturbance ecology and prediction of climate change effects.
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来源期刊
Journal of Landscape Ecology(Czech Republic)
Journal of Landscape Ecology(Czech Republic) Environmental Science-Nature and Landscape Conservation
CiteScore
2.30
自引率
0.00%
发文量
14
审稿时长
16 weeks
期刊介绍: Journal of Landscape Ecology is a fully reviewed scientific journal published by Czech National Chapter of the Association for Landscape Ecology (CZ-IALE). Our international editorial board has ambition to fill up a gap in the ecological field scope covered by the European scientific journals and mainly those among them which are produced in the Czech Republic. Subjects of papers are not limited teritorially, however, emphasis is given to the Middle-European landscape-ecological themes. The journal is not preferentially theoretical or applied, it is prepared to serve as a bridge between both levels of knowledge. The effort will be developed to increase gradually its quality level and to reach for acceptation by databases of scientific journals with IF. The first issue of JLE was published in 2008. Recently, three issues of JLE are published per year.
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