This study is of crucial importance in setting best practices for frankincense yield production as no significant field research has been done in the past on the sustainable harvesting of olibanum trees in Oman.This book aims to present the findings of the study conducted from February 2010 till June 2013 in seven different sections. The project description is given in Section 2 presenting the study rationale, the project objectives and a description of the project activities. An overview of the olibanum tree characteristics, uses and threats is given in Section 3. The fieldwork methodology is presented in Section 4, followed by the field work results in Section 5. The principal findings of the project are discussed in Section 6 and a list of recommendations is given in Section 7 of the book.then appendix weather date during the study in locations, chimerical component of olibanum and its medical use.with photos and graphics and location coordinates.