| 南京市耕地利用集约度变化及影响因素研究 |
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| 引用本文： | 戴毅豪,翁翎燕,张超,刘柄麟,张涵玥.南京市耕地利用集约度变化及影响因素研究[J].安徽农业科学,2018,46(4):66-69. |
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| 作者姓名： | 戴毅豪 翁翎燕 张超 刘柄麟 张涵玥 |
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| 作者单位： | 南京大学金陵学院,江苏南京,210089;上海师范大学生命与环境科学学院,上海200234;清华大学环境学院,北京100084;上海师范大学城市生态与环境研究中心,上海,200234 |
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| 摘 要： | 基于能值分析理论对2000—2015年南京耕地利用集约度进行测算并进行时序变化分析,运用灰色关联法分析各影响因素对南京耕地利用集约度的贡献率。结果表明:南京耕地利用集约度持续上升;各投入要素中,农业机械集约度快速增长,劳动力、农用化肥和农药集约度呈下降趋势;各影响因素中,耕地利用集约度与建设用地面积之间耦合度最强。
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| 关 键 词： | 耕地利用集约度 能值分析 灰色关联 南京 |
Temporal Variation and Its impact Factors of Cultivated Land Use Intensity in Nanjing |
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| Abstract: | Based on the emergy theory,an estimate of cultivated land use intensity in Nanjing from 2000 to 2015 was made and its temporal variation was analyzed.Then the contribution rate of each influencing factor to cultivated land use intensity in Nanjing was analyzed by gray correlation method.The results showed that:The cultivated land use intensity in Nanjing was increasing;among the input factors,the intensity of agricultural machinery was increasing rapidly,and the labor force,agro-chemical fertilizer and pesticide concentration were declining.The coupling degree between cultivated land use intensity and construction land area was the strongest among the influencing factors. |
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