论文部分内容阅读
以色列位于地中海东岸,地形狭长,南北长500多公里,东西宽平均为90多公里,现控制面积约为2.7万平方公里,耕地面积约为44万公顷。现有人口500多万(近年归国移民达40多万人),其中从事农业的人口约占4.5%。以色列的自然地理条件较差,北部为高原、山区,西部沿海有少量平原,东部为约旦河谷,南部大多为荒丘沙漠。全境年平均降雨量仅为350毫米,且时空地域分布不均,北部降水量较多,年降水量800～1000毫米,自北向南递减,南部最少年降水量在30毫米以下。
Israel is located on the east coast of the Mediterranean Sea. It has a long and narrow terrain. It is over 500 kilometers long from north to south and 90 kilometers wide on the east and west. With a controlled area of about 27,000 square kilometers and an area of about 440,000 hectares of cultivated land, Israel is Israel. The existing population of more than 500 million (in recent years returned more than 400,000 people), of which agricultural population accounts for about 4.5%. Israel’s poor physical and geographical conditions, the northern plateau, mountainous areas, a small amount of plain along the western coast, the east Jordan Valley, most of the southern desert hills. The annual average rainfall is only 350 mm, with uneven spatial and temporal distribution. There are a large amount of precipitation in the north, with an annual precipitation of 800-1000 mm, decreasing from north to south and a minimum annual precipitation of 30 mm or less in the south.