关键词: 岷江上游, 景观格局, 驱动力分析

Abstract: 1.Afforestation experiment has been taken out in a phosphorus fertilizer factory for 118 in-dividuals of 65 species.After 18months of afforesting,only 75 individuals of 51 species arealive.2.The response of trees to fluoride pollution varies with tree species,concentrationof air pollutant and distance from pollution source.3.Total F content in leaves shows thatall trees have the ability of absorpting and accumulating fluoride and the purgative effect toair pollution.4.According to their response to F pollution,the survival trees are dividedinto three groups:strong resistant,meso-resistant and weak resistant.

Key words: Upper reaches of Minjiang River, Landscape patterns, Driving force analysis