Comparison of Cultivated Landscape Changes under Different Management Modes: A Case Study in Sanjiang Plain

Fengqin Yan, Shuwen Zhang, Wenhui Kuang, Guoming Du, Jing Chen, Xingtu Liu, Lingxue Yu and Chaobin Yang
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Fengqin Yan: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China
Shuwen Zhang: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China
Wenhui Kuang: Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
Guoming Du: College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
Jing Chen: College of Earth Science, Jilin University, Changchun 130061, China
Xingtu Liu: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China
Lingxue Yu: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China
Chaobin Yang: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China

Sustainability, 2016, vol. 8, issue 10, 1-16

Abstract: Understanding the historical change of agricultural landscape patterns is the basis for promoting the sustainable development of cultivated land, as well as appropriate decision-making. In order to analyze spatio-temporal changes of cultivated land in Sanjiang Plain, from 1985–2015, Landsat Thematic Mapper (TM) and Operational Land Imager (OLI) were used to reconstruct satellite data of land use and land cover. Additionally, twelve landscape indices were selected to analyze landscape pattern changes and to compare the differences of cultivated landscape changes between the agricultural region and the reclamation region. Studies suggested that during the past 30 years, cultivated land in the study area grew rapidly, with a rapid growth of paddy fields and a slow reduction of dry farmland. This trend was more obvious in the reclamation region than it was in the agricultural region, where both dry farmland and paddy fields showed a growth trend in the past 30 years. Our study showed that paddies have become the dominant agricultural landscape and that fragmentation of paddy fields has decreased, while dry farmland has increased over the past 30 years, within the entire study area. Different management modes have caused major differences between the agricultural region and the reclamation region.

Keywords: land use and land cover change; landscape changes; cultivated land; agricultural region; reclamation region (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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