Abandoned cropland: Patterns and determinants within the Guangxi Karst Mountainous Area, China

Han, Ze; Song, Wei

doi:10.1016/j.apgeog.2020.102245

Cited by 45 publications

(21 citation statements)

References 71 publications

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“…The MAT and MATP were generated by interpolation, using the AUSPLINE meteorological interpolation software, based on the daily average temperature and precipitation data of the meteorological stations. The farming conditions, an indicator of difficulty as steep slopes and long commutes generally led to an increase in the values of these variables, were calculated by multiplying the related factors considering the slope of the plot and the farming distance between the plot and the residential area (including horizontal and vertical distance) [50]. The second category was composed of socioeconomic factors, including gross domestic product density (GDPD), population density (PD), and road density (RD).…”

Section: Analysis Of Influencing Factorsmentioning

confidence: 99%

Cropland Abandonment and Influencing Factors in Chongqing, China

Han

Song

2021

Land

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Cropland abandonment occurs frequently in many countries and regions around the world, particularly in those with poor environmental conditions, such as mountainous regions. In Chongqing county, China, over 76% of the total area is mountainous. Due to the lack of reliable remote sensing monitoring and identification methods, the spatial and temporal distribution of abandoned cropland areas and its underlying causes are poorly understood. Thus, the extent of cropland abandonment in Chongqing, since 2001, was estimated using land use trajectories. The following results were obtained: (1) the cropland abandonment rate was 12.2–15.4% from 2001 to 2020, with an average of 13.3%; (2) hotspots of abandoned cropland were concentrated in the north and southeast. Cropland abandonment was clustered in the northern, southeastern, and southwestern areas; (3) socio-economic factors (including gross domestic product density, population density, and road density) had a greater impact on the spatial distribution of abandoned cropland than environmental factors. Based on the results, the government should strive to reduce production costs associated with poor agricultural infrastructure, sporadic cropland, and higher labor costs by providing grain subsidies, undertaking cropland consolidation, encouraging land transfer, and improving agricultural infrastructure.

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Section: Analysis Of Influencing Factorsmentioning

confidence: 99%

Cropland Abandonment and Influencing Factors in Chongqing, China

Han

Song

2021

Land

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“…In the fields of land use science and landscape studies, cropland is consistently a popular issue for researchers (Sarparast et al, 2020;Zhou et al, 2021). Numerous cropland-related topics have been assessed by previous studies from the micro to macro scale, including cropland conversion encroaching with urban expansion and ecological land loss (Ke et al, 2018;Tu et al, 2021), interaction with ecosystem services (Ke et al, 2019;Wang et al, 2020), displacement (Yang et al, 2020), abandonment (Yan et al, 2009;Han and Song, 2020), driving forces (Prabhakar, 2021;Uisso and Tanrıvermiş, 2021), and expansion and intensification (Zabel et al, 2019;Nzabarinda et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

How Does Different Cropland Expansion Trajectories Affect Cropland Fragmentation? Insights From Three Urban Agglomerations in Yangtze River Economic Belt, China

et al. 2022

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A clear understanding of cropland expansion dynamics and their effects is vital for cropland protection and food security. However, the trajectories of cropland expansion have been less discussed. This study referred to the modes of landscape expansion and assessed the cropland expansion trajectory in three urban agglomerations in the Yangtze River Economic Belt and its impact on cropland fragmentation. Specifically, we identified three cropland expansion trajectories using the landscape expansion index, namely, infilling, edge-expansion, and outlying. Moreover, the surface relief amplitude model was employed to characterize the relief amplitude effect on cropland expansion trajectories. By coupling landscape metrics (e.g., patch density, landscape shape index, the largest patch index, and aggregation index) and Spearman correlation analysis, the relationship between cropland expansion trajectories and cropland fragmentation was assessed. Results show that (1) three urban agglomerations experience cropland expansion, in which the edge-expansion trajectory is primary, followed by infilling and outlying trajectories; (2) the cumulative frequency curve indicates that infilling and edge-expansion trajectories are likely to be distributed in low topographic relief amplitude regions, while the outlying trajectory is located in relatively higher topographic relief amplitude regions; and (3) infilling and edge-expansion trajectories contribute to a significantly positive relationship with the decrease of cropland fragmentation, while the outlying trajectory has a negative relationship with cropland fragmentation. This research highlights that cropland protection policies should considerably focus on the trajectory of cropland expansion, not only request the total area of cropland in a dynamic balance.

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“…Spatially, rural settlements and cultivated land are often situated near each other; therefore, the disorderly expansion of rural settlements not only causes a waste of land resources and the deterioration of rural living quality [13,14], but also inevitably occupies a large amount of high-quality cultivated land [15][16][17], thereby threatening food security. To sum up, China's rural population and rural settlement area showed a reverse trend of increase and decrease, which leads to a suite of inter-related problems, such as abandoned farmland [18][19][20], hollow villages [21], land-use conflict [22][23][24], and ecological destruction [13,14,25], among others. Therefore, the coordinated development of rural human-land relationships is of great significance for ensuring food security and realizing rural revitalization.…”

Section: Introductionmentioning

confidence: 99%

Multi-Dimensional Feature Recognition and Policy Implications of Rural Human–Land Relationships in China

Dong

Zhang²,

et al. 2021

Land

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Rural decline has become an indisputable fact and a global issue. As a developing country, China is simultaneously facing unprecedented rapid urbanization and severe rural decline. The coordinated development of its rural human–land relationship is therefore of great significance for ensuring the country’s food security and achieving both rural revitalization and sustainable development. Yet, the related research on this complex subject has mostly focused on a single element: rural settlements. Since studies of the rural human–land relationship tend to only discuss the coordinated change in rural populations vis-à-vis rural settlement area, their degree of spatial matching and intensive utilization level of rural settlements has been largely overlooked. To rectify this imbalance, using data on rural populations and rural settlement area in counties of Shandong Province in 2009 and 2018, this paper applied the methods of per capita rural settlement area, the Theil index, and Tapio’s decoupling model to quantitatively identify the rural human–land relationship along three dimensions: intensive utilization level, spatial matching degree, and change coordination degree. The results revealed that the per capita rural settlement area in Shandong Province was as high as 212.18 m2/person in 2018, which exceeded the standard to varying degrees in all cities, having an overall geographical pattern of being high in the north and low in the south. The Theil index for all cities was small, which indicates that the spatial matching between rural population and rural settlements is high. To sum up, there are small differences in the utilization of rural settlements among cities, and their extensive utilization of rural settlements is a common phenomenon. In addition, the relationship between the changes in the rural population size and rural settlement area corresponded to a discordant state, in the form of strong negative decoupling, expansive negative decoupling, and expansive coupling; however, among them, the strong negative decoupling type was the dominant type. It is worth noting that all of these three types will exacerbate the extensive utilization of rural settlements. Accordingly, this paper proposes policies and measures, such as the paid withdrawal of rural homesteads, an expanded scope of homestead transfer, cross-regional “increasing versus decreasing balance”, classified promotion of rural revitalization, and improved village planning.

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Abandoned cropland: Patterns and determinants within the Guangxi Karst Mountainous Area, China

Cited by 45 publications

References 71 publications

Cropland Abandonment and Influencing Factors in Chongqing, China

Cropland Abandonment and Influencing Factors in Chongqing, China

How Does Different Cropland Expansion Trajectories Affect Cropland Fragmentation? Insights From Three Urban Agglomerations in Yangtze River Economic Belt, China

Multi-Dimensional Feature Recognition and Policy Implications of Rural Human–Land Relationships in China

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