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來源資料
頁籤選單縮合
題 名 | 對大陸耕地與水資源之探討=Probe into Cultivated Areas and Water Resources |
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作 者 | 游豐吉; | 書刊名 | 中共研究 |
卷 期 | 31:4=364 1997.04[民86.04] |
頁 次 | 頁85-98+左2 |
分類號 | 434.287 |
關鍵詞 | 大陸; 耕地; 水資源; |
語 文 | 中文(Chinese) |
英文摘要 | The resources from cultivated area on mainland China are the fundamental basis of their economy. The cultivated areas on the Mainland, which account for 7 percent of the world's arable lands, produce grains amounting to 20 percent of the world's grain production. Meanwhile, more than 80 percent of the calories, 75percent of the protein, and 88 percent of the food of mainland Chinese's life-supporting energy come from cultivated areas. More than 90 percent of the meat, eggs, and dairy products come from the by-products of the farm lands. Furthermore, their light industry takes up almost a half of the total industrial and agricutural production of which the agricultrual by-product processing industry takes up more than a half of the lifht industry. There are both advantages and disadvantages of cultivated areas on the mainland with the former outnumbering the latter. The bearing capability of mainland China's cultivated areas has already been maximized. the cultivated areas on the mainland are constantly decreasing. From 1949 to 1993, with the extending culivated lands adding up to 644,760,000 mus while the shrinking areas adding up to 686,450,000 mus, the net decrease we got from the above figures is 41,690,000 mus. that is to say that from the year 1984 on, the total of the cultivated lands in mainland China has decreased to the level before 1949. In 1957, the percentage of cultivated areas on the Mainland was at its peak, whereas up to 1993, the cultivated lands decreased 250,920,000 mus, an amount equal to 2.67 times the cultivated land of Sichuan province; the yearly average reduction has been about 7,000,000 mus. as for soil erosion, the cultivated areas of mainland China take up 10 percent of the area of China, but the agricultural soil erosion is about 3.3 billion tons, making up two-thirds of the total amount of soil erosion. The problems of soil on the mainland including sand, salinification and soil erosion are of equal importance. From the subjective point of view, all of these should be attributed to the PRC leadership's lack of correct know-how and lack of a well-coordinated relationship between soil protection and economic development. The economic development presupposes soil protection in the future, in that the fulfillment of the economic development can only come after a fully implemented protecton policy of these cultivated areas. |
本系統中英文摘要資訊取自各篇刊載內容。