Exploring How Human-Land Conflict Affects Cropland Fragmentation

IF 3.6 2区 农林科学 Q2 ENVIRONMENTAL SCIENCES
Xinyu Hu, Chun Dong, Yu Zhang
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引用次数: 0

Abstract

Arable land is vital to agriculture, and studying cropland fragmentation is key for sustainable resource use. However, research has largely ignored the dynamic nature of this fragmentation, focusing instead on static farmland patterns. This study proposed eight spatial models of cropland fragmentation dynamics, assessed their distribution and evolution in the Yellow and Huaihai grain-producing regions from 2010 to 2020, and investigated the underlying drivers. It was found that (1) although cropland fragmentation in the study area showed an increasing trend from 2010 to 2020, the rate of increase gradually weakened, and the cropland fragmentation in the southeast coastal region was higher than that in the northwest inland region. (2) LPI↑PD↑LSI↓ mode cropland, as the main cropland fragmentation mode in the study area, is widely distributed in Shandong and Henan Provinces, as well as Jiangsu Province. (3) Except for the LPI↓PD↑LSI↑ model, the main drivers of its models are population density and mechanization level, while the main drivers of the LPI↓PD↑LSI↑ model are natural endowment factors such as topographic relief. The findings emphasize the need to curb the fragmentation of cropland as well as to promote the concentration and connectivity of cropland.

探索人地冲突如何影响耕地破碎化
耕地对农业至关重要,研究耕地细碎化是资源可持续利用的关键。然而,研究在很大程度上忽略了这种碎片化的动态性质,而是关注静态农田模式。本文提出了8种耕地破碎化动态空间模型,评价了2010 - 2020年黄淮海产粮区耕地破碎化动态空间模型的分布与演变,并对其驱动因素进行了分析。结果表明:(1)2010 - 2020年研究区耕地破碎化程度呈上升趋势,但增幅逐渐减弱,东南沿海地区耕地破碎化程度高于西北内陆地区;(2) LPI↑PD↑LSI↓模式耕地是研究区主要的耕地破碎化模式,在山东、河南、江苏等地均有广泛分布。(3)除LPI↓PD↑LSI↑模型外,其模型的主要驱动因子为人口密度和机械化水平,而LPI↓PD↑LSI↑模型的主要驱动因子为地形起伏等自然禀赋因子。研究结果强调,有必要遏制耕地的碎片化,并促进耕地的集中和连通性。
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来源期刊
Land Degradation & Development
Land Degradation & Development 农林科学-环境科学
CiteScore
7.70
自引率
8.50%
发文量
379
审稿时长
5.5 months
期刊介绍: Land Degradation & Development is an international journal which seeks to promote rational study of the recognition, monitoring, control and rehabilitation of degradation in terrestrial environments. The journal focuses on: - what land degradation is; - what causes land degradation; - the impacts of land degradation - the scale of land degradation; - the history, current status or future trends of land degradation; - avoidance, mitigation and control of land degradation; - remedial actions to rehabilitate or restore degraded land; - sustainable land management.
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