actvity造句

• Tourism develope and human actvity are the main reasons for landscape structure change . when the disturbence becoming severly, fragmentation, heteroity and the landscape diversity in this area will increase
  旅游开发活动及人类生产活动是导致漓江流域景观结构变化的主要原因，并随着干扰活动的加强，景观破碎度增大，景观异质性增强，景观多样性升高。