Volume & Issue: Volume 8, Issue 3, April 2011 
The Regeneration Structure and Biodiversity of Trees and Shrub Species in Understory of Pure and Mixed Oak Plantations

Einollah RouhiMoghaddam,; Seyed Mohsen Hosseini,; Ezzatollah Ebrahimi; Ahmad Rahmani; Masoud Tabari


Effects of Natural Absorbents on Copper and Lead Removal

Hamid Raftari; Hamid Moazami; Hossein Ganjidoust; Bita Ayati


Evaluation of Fuzzy Regression Efficiency for Reconstructing Missing Annual Precipitation Data in Karoon Basin

Seyyed Javad Sadatinejad,; Rohallah Hassanshahi; Mohammad Shayannejad; Khodayar Abdolahi