——Brief Introduction to the 13th Conference of International Association of Botanic Gardens
　　The 13th Conference of International Association of Botanic Gardens (IABG, formed in Paris in 1954, a scientific member of International Union of Biological Sciences) was held in Guangzhou, China fro...

Tigridiopalma magnifica, a perennial herb and the only species in the genus Tigridiopalma (Family Melastomataceae) is rare, and endemic to China, where it is categorized as Critically Endangered on the national Red List. During past 7 years, Dr REN Hai and Dr. ZENG Songjun co-operated to research...

Atmospheric nitrogen (N) deposition in subtropical metropolitan regions has increased greatly because of rapid urbanization, and such increase could lead to N-related changes in soil properties and plant diversity in remnant forests of urban ecosystems.
　　PhD candidate HUANG Liujing and her sup...

Dr. REN Hai at South China Botanical Garden and Dr. CHEN Hua at University of Illinois co-operated to examine the spatial and temporal patterns of C storage from 1992 to 2002 in forest ecosystems in Guangdong, China.
　　They used the data of three continuous forest inventory in 1992, 1997, and 2...

Santalum album is a small tropical tree. This species has been utilized, cultivated and traded for thousands of years for its fragrant, perfume and medicinal purpose.For these reasons it has been extensively exploited, to the point where the wild population is vulnerable to extinction. However, t...