Forests of Iran located on the Southern border of the Caspian Sea cover 1.9 million hectares. The Caspian forests are divided into four separate forestry areas. One of these being Guilan influx area with total area of 565000 hectares. About 30 to 40 percent of Guilan province forests are suitable to short rotation forestry for afforestation. Slash pine (Pinus elliottii) is one of the main exo...

Thermo-mechanical densification modifies wood to produce a more dense and resistant lignocellulosic material may degrade extractives that contribute the increased susceptibility of attack by xylophagous organisms. This study evaluated efficiency tannin extracts Acacia mearnsii in treatment thermo-mechanical densified pine relation physical, mechanical, biological resistance (Cryptotermes brevis...