关键词: 虫生真菌, 群落多样性, 安徽大别山

Abstract: Aimed to understand the effects of wind blow and sand burial on the ph
ysiological and ecological properties of desert plants, a field experiment with
Caragana microphilla was conducted in Horqin Sand Land in 2006 and 2007. The
 wind blow experiment had five treatments, i.e., 0, 2, 4, 6, and 8 m·s-1
of wind velocity, and the sand burial experiment also had five treatments, i.e.,
〖JP2〗 none, light, moderate, heavy, and severe sand burial, with 0, 33%, 66%, 100%, a
nd 133% of plant height sandburied. A continuous wind blow with a velocity of
2 m·s-1 resulted in a slight decrease of photosynthetic rate and transpir
ation rate, that of 6〖KG-*2〗-〖KG-*7〗8 m·s-1 increased the two rates o
bviously, while a continuous wind blow with a velocity of 4 m·s-1 had no
obvious effects on the photosynthetic and transpiration rates. Light sand burial
 promoted the stem, leaf, and root growth, and increased the biomass of C. mic
rophilla, moderate sand burial only promoted the root growth and increased the
 biomass but restrained the height growth, while heavy and severe sand burial in
jured the plant growth seriously, even resulted in plant death. As a dominant sa
ndfixing plant, C. microphilla could adapt the wi
nd blow and sand burial to a certain degree through regulating its growth rhythm
 and physiological characteristics, and thus, had strong capability to adapt w
indsand environment. However, severe wind blow and sand burial could result in
 a severe injury to the plant, even in plant death. Therefore, C. microphilla sh
ould be planted in the place without strong windsand activity when used for fi
xing mobile sand.

Key words: Entomogenous fungi, Community diversity, Dabie Mountains in Anhui