一、新疆农业昆虫区系特点及其优势种类 (一)自然概况 新疆维吾尔自治区高山环绕,南北有塔里木、准噶尔两大盆地和较小的吐鲁番盆地,组成为地理上一个独特的自然区域和昆虫区。 这个自然区域的特点:降水少、干旱、温差大,是全国最干旱、也是温差最大的地区。 全境地貌复杂,有荒漠、盐碱地、水草地、河湖、高山、低山、冰川雪山、山脚硬石、绿 First, the characteristics of agricultural insects in Xinjiang and the types of advantages (a) a natural overview Xinjiang Uygur Autonomous Region surrounded by mountains, the north and south Tarim, Junggar two major basins and the smaller Turpan Basin, formed a geographically a unique natural area and insect area . The characteristics of this natural area: less precipitation, drought, temperature difference, is the country’s most arid, but also the largest temperature difference. The whole landscape complex, desert, saline-alkali land, water grassland, rivers and lakes, mountains, low mountains, glacier snow-capped mountains, mountain hard rock, green