一、考察地区的自然环境及布点情况罗加湖位于云南中部,是个断陷型高原深水湖泊,四周环山,其面积为200多平方公里,平均水深约85米。湖面海拔约1700米。由于水深,能积储较多的热量,对湖区气候具有明显的调节作用。该湖北部4—7公里以内为湖积——冲积平原,地势略向北倾斜上升,再向北地势陡然升高,至15公里处为2820米的高山,呈东北东——西南西走向。我们在了解该湖的一 First, examine the natural environment and the distribution of the situation Locarno Lake is located in central Yunnan, is a faulted plateau deep lakes, surrounded by mountains, with an area of ​​more than 200 square kilometers, with an average depth of about 85 meters. The lake is about 1700 meters above sea level. Due to the deep water, it can accumulate more calories and has a clear regulating effect on the climate in the lake area. Within 4-7 km of the lake in Hubei Province, it is a lacustrine-alluvial plain where the terrain rises slightly to the north and rises sharply to the north again. It rises to an altitude of 2820 meters at 15 km and runs northeast to east-west-southwest. We are learning about one of the lakes