| 四川省酸性降水范围,趋势预测及其对农作物,蔬菜生长影响估损 |
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| 引用本文： | 陈玉谷,何宗英.四川省酸性降水范围,趋势预测及其对农作物,蔬菜生长影响估损[J].四川环境,1997,16(1):4-9. |
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| 作者姓名： | 陈玉谷 何宗英 |
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| 作者单位： | 中国科学院成都生物研究所 |
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| 摘 要： | 本文在综述四川酸性降水范围、发展趋势预测的基础上，根据野外调查、现场考察和有关资料，阐述了酸雨形成的多种污染源及其对农业生态系统的危害。着重分析和论证了酸沉降（含酸雨、酸雾）对农作蔬菜的影响，并对酸沉降形成的主要几种污染影响范围和造成的经济损失采用分项估算法。估算公式为：Ｓ农损＝Ｄ粮损×ｇ×Ｊ＋Ｅ蔬损×ｇ×Ｊ＋Ｆ油损×ｇ×Ｊ，式中Ｄ、Ｅ、Ｆ分别代表粮食、蔬菜、油菜受酸沉降污染危害影响面积，ｇ为每亩面积减产数量，Ｊ为单位产量价格。根据公式估算，经济损失为０５９－０６６亿元／年，取平均值≈Ｓ农损，总共为０６３亿元／年。
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| 关 键 词： | 酸雨 影响 估损 预测 |
The Present Condition of Acid Rain and Estimated Loss of Its Influence on Crops and Vegetables Growing in Sichuan Province |
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| Chen,Yugu,He,Zongying Wan,Xiulin,Liu,Zuocun.The Present Condition of Acid Rain and Estimated Loss of Its Influence on Crops and Vegetables Growing in Sichuan Province[J].Sichuan Environment,1997,16(1):4-9. |
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| Authors: | Chen Yugu He Zongying Wan Xiulin Liu Zuocun |
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| Abstract: | Based on the present condition,the range and the trend forecast of acid rain in Sichuan province, a multitude of polluted sources formed by acid rain and their harm to agricultural ecological system are expounded,according to the investigations of field tests and relative data The influence of acid deposition(including acid rain and acid fog)on crops and vegetables is analyzed and proved emphatically The range and economic loss of main polluted sources formed by acid deposition are estimated |
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| Keywords: | Acid rain influence estimate forecast |
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