G218国道新疆伊犁段路域植被类型及分布

Road Vegetation Type and Its Distribution of Xinjiang Yili Section of National Highway G218

采用全面踏勘法、典型样地法和样带法,对G218国道新疆伊犁段路域植被进行了实地调查,结果显示:公路沿线自然植被可划分为4个植被型、5个植被亚型、9个群系;人工植被可划分为2个植被型、3个植被亚型、5个群系;主要植被类型为荒漠和草原。河谷平原地区北部主要以白茎绢蒿荒漠和小蓬荒漠为主。山前冲积扇地区主要以白茎绢蒿荒漠为主。低山丘陵地区主要以农田为主。

The overall survey, typical sample plot and transect method, afield survey was conducted on the vegetation on Xinjiang Yili section of national highway G218. The results showed that the natural vegetation along the road could be divided into 4 vegetation types, 5 vegetation subtypes, 9 formations. Artificial vegetation could be classified into 2 vegetation types, 3 vegetation subtypes, 5 formations; the main vegetation types were desert and grassland. The northern river valley plain area mainly gaves priority to the desert of Seriphidium terrae Albae and Conyza canadensis. Seriphidium terrae Albae has absolute advantage in Piedmont alluvial fan area. Low Mountain hilly area mainly was covered by the farmland.