The modeling results of artificial neural network were basically consistent with the GARP model, showing a higher suitable distribution index in the south than in the north part.

• (2)人工神经网络模拟结果与GARP模型基本一致，表现出南部显著高于北部的空间分布特征，在南部的一些局部高山地区，也不适宜紫茎泽兰生长和分布。