半自然景观

景观类是根据人类活动对景观的干扰程度，包括自然景观、半自然景观、人工景观等。

Landscape type is according to the degree of interference of human activities on landscape , including natural landscape , semi-natural landscape , artificial landscape .

渴马流域虽然景观类型丰富、多样性高，但农田等半自然景观占优势，植被覆盖率低，景观聚集度低，而林地破碎度高，地表景观呈退化趋势。

In contrast , although there is more landscape type and high diversity in Kema watershed , it is dominated by semi-natural landscape such as cropland , and it has low vegetation coverage , low congregation , high forest fragmentation .

自然景观包括天然林地景观、天然水域景观、天然河流景观、天然草地景观等；半自然景观包括农田景观、园地景观、人工林地景观等；人工景观包括聚落景观、道路景观、农田水利景观等。

Natural landscape includes natural forest landscape , natural water landscape , natural river landscape and natural lawn landscape . Semi-natural landscape includes farmland landscape , garden landscape , artificial forest landscape . Artificial landscape includes settlement landscape , road landscape , irrigation landscape .

自然景观逐年下降，半自然半人工景观急剧减少，人工景观快速增加。

The results of research are as following : ( 1 ) There is a dramatic reduction of half-natural half - artificial landscape which is accompanied by the decrease of natural landscape and the increase of artificial landscape year by year .