Ho Duc Soa, Tran Ke Lam, Nguyen Thanh Xuan FSIV Natural forests play a very important role in human life. Apart from timber, firewood and other forest products supply they do play a role in providing shelter belt, soil erosion and leaching control, regulating the climate and protecting the environment. Natural forests have been and are being seriously devastated, especially from 1975 now. According to 1999 statistics the area of natural forests in our country is about 9.44 million … [Read more...]

Tran Van Con Tropical Forestry Centre - FSIV I. Introduction A challenge of the researcher involved in the selection of forest tree species is to find out the relations of the plants characteristics to the ecological factors of the sites on which the plants are going to be grown and then to estimate the possible performances of the species to yield the expected economic and social outputs. The task is usually not easy, because a lot trees that thrive well in natural forests, do not do … [Read more...]

Hoang Xuan Ty and Nguyen Duc Minh Forest Science Institute of Vietnam I. Introduction For 50 years, the forests of Vietnam have been experiencing a severe spiraling down of both their resource and quality, leading to poor ecological conditions for forest tree growth and environmental disruption. Therefore, parallel with forest - restoration-orientated protection and enrichment planting, the establishment of new plantations has become a “must” in the forestry subsector, in … [Read more...]

Pham Dinh Tam Tran Lam Dong, Nguyen Si Duong Forest Science Institute Vietnam I. Introduction Canarium album is a native tree species, 20 - 30m in height, 50 - 70 cm in diameter breast-high, with straight and cylindrical bole, crown is large and green all the year round. C.album is a multi-purpose tree species, much desired by the people. C.album wood is soft and light with fine grain, easily made into veneer and is usually used as raw material for plywood, ordinary furniture and … [Read more...]

Nguyen Ba Chat, Vu Duc Nang Nguyen Sy Duong, Nguyen Thanh Dam FSIV I. Introduction Selection of a collection of planted forest tree species and development of technical systems for forest plantation establishment serving economic and technical objectives have been and are being urgent problems. More than half a century has past many generations of silviculturists have made great effort in research, selection and planting of a number of forest tree species in many ecological zones … [Read more...]

Do Dinh Sam, Pham Van Tuan, Bui Doan, Tran Quang Viet, Tran Van Con, Ngo Que, Do Doan Trieu, Nguyen Anh Dung, Pham Ngoc Mau. The National Research Project to develop “Silvicultural treatments to support the five -million hectare plantation programme and an eventual ban of timber extraction from natural forest” was carried out by the FSIV for three years (1997 - 2000). The main sites of study were planned to be Huong Son (Ha Tinh), Ba Ren (Quang Binh), Kon Ha Nung (Gia Lai) for … [Read more...]

Peltophorum dasyrhachis Vietnamese name: Lim xet Other names: Hoang linh Bac Bo, Lim vang, Xet vay Scientific name: Peltophorum dasyrhachis var. tonkinensis (Pierre) Gagnep Family: Caesalpinaceae 1/ Morphological description Large-sized timber species, height upto 25-30m diameter upto 50-60cm. Bark with many rings around the stem, peeled when mature, pale brown in colour. Bole straight with small buttress. Leaves bipinnately compound, 7-16 pairs of secondary perticles, each with … [Read more...]

1. INTRODUCTION Casuariana is an exotic tree which was introduced into Vietnam in 1896 in a sandy are of Nghe An coastline (Lam Cong Dinh, 1963). For nearly 100 years, Casuariana trees have been planted widely in coastline, plain and midland area through-out the country and have brought many socio-economic and environmental benefits. For this reason Casuariana trees have been selected as one of the main trees for planting in 4 forest regions of the country, especially on sandy lands … [Read more...]