1. Pham Thi Nhi, Khuat Dang Long A checklist of the family Ichneumonidae (Hymenoptera: Ichneumonoidea) from Vietnam  2. Nguyen Thanh Tung Two new earthworm species (Oligochaeta, Megascolecidae) from Vietnam  3. Tran Duc Luong, Le Danh Minh, Ho Thanh Hai A new species of the genus Halicyclops (Copepoda, Cyclopoida, Cyclopidae) from freshwater in Central Vietnam 4. Vo Van Quang, Doan Nhu Hai, Nguyen Ngoc Lam Effects of variations of environmental factors and algal bloom on fish larvae in South central Vietnam 5. Nguyen Thi Phuong Lien Diversity of vespid wasps (Vespidae: Hymenoptera) in Lang Son province, Vietnam  6. Nguyen Minh Duc, Le Quynh Trang, Nguyen Minh Tam Assessing species diversity of rodents (Rodentia) in Hoang Lien National Park, Sapa, Lao Cai, Vietnam 7. Bakalin V., Nguyen Van Sinh The checklist of liverworts (Hepaticae) and homworts (Anthocerotae) of Vietnam updated based on literature survey 8. Nguyen Quoc Dat, Dinh Nhat Lam, Nguyen Hieu Cuong, Vu Ngoc Long, Luu Hong Truong Billolivia cadamensis (Gesneriaceae), a new species from central Vietnam  9. Tran Thi Luong, Nguyen Thuy Ninh, Nguyen Duc Thanh Cloning a lysine-rich protein gene from potato (Solanum tuberosum L.) cultivar Thuong Tin and construction of the expression vector 10. Do Hai Lan, Le Van Son, Le Tran Binh An efficient protocol for Agrobacterium - m edi a ted transformation of gus/gusplus gene into cassava plants (Manihot esculenta Crantz) 11. Tran Thi Ngat, Khuat Dang Long, Nguyen Thi Phuong Lien Taxonomic notes on the genus Euaspis Gerstacker (Hymenoptera: Apoidea: Megachilidae) from Vietnam 12. Nguyen Thi Hong Hanh Assessment of the ability of mangroves to serve as accumulated Carbon sinks in the plantations in Kim Dong Commune, Kim Son District, Ninh Binh Province, Vietnam