Abstract: Ecological tourism was a kind of tourist activity under the concept of sustainable development,which advocated that the natural region and local culture should be the tourist object,and aimed to understand and appreciate the nature for tourists and to develop the environmental conscience of tourists.The paper compared the characteristics between ecological tourism,traditional tourism and industrial construction projects,and gave some suggests on the key technology and methods to assess the environmental influence caused by the ecological tourism activity.Finally,the paper demonstrated an example EIA report of Wuyishan Great Canyon forest ecological tourism district.

Key words: Zoophthora anhuiensis, Myzus persicae, Virul ence, Latent period, Fecundity, Intrinsic increase rate