in the functional group compositions of the life forms,the functional groups of shrubs and forbs,and perennial bush grasses and forbs had niche complementary effect in biomass.

• 在植物生活型功能组成中,灌木类和杂类草、多年生丛生禾草和杂类草功能群,在生物量上具有生态互补效应(n iche com p lem en tary effect)。