期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2016
卷号：7
期号：4
页码：1204-1218
出版社：University of Mohammed Premier Oujda
摘要：The six cities of eastern region of Morocco namely Oujda, Berkane,Ahfir ,Saidia , Nador and Jerrada include 19730 palm feet spread over 12 species . Washingtonia robuta H .W. comes a head of representativeness percentage with 36.13 % of the total identified followed by Phoenix canariensis Hort. with 25.21 %, Arecastrum romanzoffianum Cham with a percentage of 10.75% . Phoenix dactylifera L. represents a percentage of 8.57 %, followed by Washingtonia filifera H.W. with 8, 35% and Chamaerops humils Cham. with 7.74% . Phoenix roebelenii is represented with a percentage of 2.16 %, ,Livistona australis with 0.83 %, Archontophoenix cunninghamiana with 0.13%. finelly, Sabal palmetto represents a percentage of 0.045 % , Butia capitata a percentage of 0.03 % and Brahea armata a percentage of 0.005 % of the total number of palm trees.
