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澳大利亚人口为1,440万,农牧业人口占15%,平均每个农牧业人口经营土地230公顷.全国面积768万平方公里,可利用的农牧地约51O万平方公里,占2/3,其中水土流失面积约260万平方公里.全国年平均降水量460毫米,中部一些地区不到150毫米,北部热带地区超过2,000毫米.土壤与气候优劣分布区域基本一致,广大中西部地区以干旱荒漠土为主,北部、东部和南部沿海地区为红壤、红棕壤和棕壤等.除少数冲积土外,一般表土层较薄.澳大利亚水土流失有百余年历史.自本世纪30年代开始引起重视,进行治理.各州和联邦先后建立水土保持机构,并制
Australia has a population of 14.4 million and an agricultural and pastoral population of 15% with an average of 230 hectares of land per agricultural and pastoral population. The total area of the country is 7.68 million square kilometers and the available agricultural and pastoral land is about 5.01 million square kilometers, accounting for 2/3 of the total. Among them, the area of soil erosion is about 2.6 million square kilometers, the annual average rainfall is 460 millimeters, less than 150 millimeters in some areas in the central part and over 2,000 millimeters in the northern tropical area.The distribution of soil and climatic advantages and disadvantages are basically the same, Mainly in the soil, red soil, red brown soil and brown soil in the northern, eastern and southern coastal areas, etc. In addition to a few alluvial soil, generally the topsoil is thinner.Austral soil erosion has a history of more than one hundred years since the 1930s began to cause Attach importance to the governance of the state and the federal establishment of soil and water conservation agencies, and the system