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非洲大陆从六十年代末就开始发生大范围的干旱,到一九七二至一九七三年最为严重。自那以后,大范围的干旱现象,断断续续,时轻时重,此起彼伏,一直延续至今。虽然,个别年份,如一九七八年也曾出现大范围雨水较常年偏多的现象,少数地区也曾出现过短时的洪涝灾害,但总的来看,非洲大陆、特别是撒哈拉大沙漠以南的广大地区,西自毛里塔尼亚、冈比亚,东至埃塞俄比亚、索马里,南至莫桑比克、安哥拉,以至南非,正在经历一个长时期的干旱。在非洲五十来个国家中,受灾较严重的就有二十多个。长期的干旱,给本来经济就不发达的非洲国家带来了极大的困难。农业连
The widespread drought in the continent began in the late 1960s, the most serious in 1972-73. Since then, a wide range of drought phenomena have been intermittent and intermittent. They have grown from time to time today. Although a large number of rainstorms have also occurred in some years, such as in 1978, more than usual, and short-term floods have also occurred in a few areas. However, on the whole, the continents, especially the Sahara Desert In the vast area south of the country, west of Mauritania, Gambia, east Ethiopia, Somalia, south Mozambique, Angola and even South Africa are experiencing a prolonged drought. Of the 50 countries in Africa, more than 20 have been affected more severely. The prolonged drought has brought tremendous difficulties to African countries that were economically underdeveloped. Agriculture even