- Sample Collection for DNA Analysis of Avicennia marina in the Red Sea coast, Kingdom of Saudi Arabia
（2011/11/23-12/16）
Okayama University/Student, Ichido Yoshimori
For a study of genetic diversity of Avicennia marina (gray mangrove) in the Red Sea coast, we visited the Red Sea coast in Kingdom of Saudi Arabia and conducted the sample collection for DNA analysis of A.marina with the support of Saudi Wildlife Authority (SWA). Leave samples were collected from 27－131 trees in each stand of 24 sites located on the coastal area between Farasan Islrands in the southern part and Duba in the northern part, by which all area of range of A.marina in Red Sea coast, KSA could be covered (Fig 1). Samples collected in this research will be analysed using a microsatellite method. To investigate the of range expansion process of A.marina across Red Sea coast and the gene flow between stands, the result and that of Egypt and Sudan will be used to analysis the difference in genetic composision among local stands.
(Fig 1) Sampling sites in the Red Sea coast, KSA and Farasan Islands.
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(photo1) A mangrove forest inside an company site. Because local people and camels couldn't enter here, this forest was in good condition with no damage by them.
（photo2）Camels eating mangrove leave and branches.
（photo3）Some forests were subject to heavy damage by camel grazing.
（photo4）Seafood caught by a local fisherman near a mangrove forest in Jizan.