Open Access Research Paper Views (393) Download (11) Spatial pattern of Pistacia atlantica desf. in zagros forests of Iran Mahsa Karimi, Hamid Jalilvand, Milad Pourahmad J. Bio. Env. Sci.5( 3), 299-307, September 2014. Key: Nearest Neighbor IndexPistacia atlantica Desf.QalajehSpatial patternWinkelmass Index Details