Spatial Trends of Grassland Changes Based on Hungarian Local Studies After 1990 with a Macro-Regional Perspective

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
K. Kovács, Vera Iváncsics, Zsombor Boromisza, I. Valánszki
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Abstract

Abstract Grasslands contribute to the ecological diversity of our cultural landscapes. In the last centuries, the most important trend was a constant loss of this valuable asset due to urbanization and the intensification of cultivation. Studies focusing on grasslands are not so abundant, and especially analyses on the spatial trends of grasslands in Eastern-Central Europe are scarce. Focusing on Hungarian local studies, we analyze our results from a macro-regional perspective, with a draft study of the V4 countries (Slovakia, the Czech Republic, Hungary and Poland). The authors employed GIS and statistical methods to analyze data to explore trends of changes of grasslands in V4 countries, Hungary, and in three micro-regions of different landscape character. These include an open landscape, partly intensively cultivated (micro-region of Csorna), and two more diverse landscapes with different proportion of forests (micro-regions of Gönc and Veszprém). Our results show that very complex, sometimes opposite processes influence the area of grasslands. In spite of the fact that an increase in the area of grasslands is witnessed at both the national and the international level in absolute values, recently, unfavorable processes have started, and there are certain landscapes where grasslands are threatened especially natural grassland by forestation and grasslands where soil conditions are suitable for crop production. Our results showed that despite the different landscape conditions, the majority of grassland has been turned into arable land and into shrubs and forest area. The loss of pastures due to urban sprawl is a dominant process just around the built-up area of city of Veszprém in the most urbanized study area.
宏观区域视角下1990年以后匈牙利地方草地变化的空间趋势
摘要草原有助于我们文化景观的生态多样性。在过去的几个世纪里,最重要的趋势是由于城市化和种植业的集约化,这一宝贵资产不断流失。对草原的研究并不丰富,尤其是对中欧东部草原空间趋势的分析很少。以匈牙利的地方研究为重点,我们从宏观区域角度分析了我们的结果,并对V4国家(斯洛伐克、捷克共和国、匈牙利和波兰)进行了研究草案。作者采用GIS和统计方法对V4国家、匈牙利和三个不同景观特征的微观区域的草原变化趋势进行了分析。其中包括一个开放的景观,部分集中耕种(Csorna微观区域),以及两个森林比例不同的更多样化的景观(Gönc和Veszprém微观区域)。我们的研究结果表明,非常复杂,有时相反的过程会影响草原面积。尽管在国家和国际层面上,草原面积的绝对值都有所增加,但最近,不利的过程已经开始,一些景观的草原受到威胁,特别是植树造林的天然草原和土壤条件适合作物生产的草原。我们的研究结果表明,尽管景观条件不同,但大多数草地已经变成了耕地和灌木林。在城市化程度最高的研究区,Veszprém市建成区附近,由于城市扩张而失去牧场是一个主要过程。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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