ical ) ▁ ▁South ▁Arab ian ▁fog ▁wood lands , ▁shr ub lands , ▁and ▁d une ▁( A f rot rop ical ) ▁ ▁Des ert s ▁and ▁x er ic ▁shr ub lands ▁▁ ▁Arab ian ▁desert ▁( P ale ar ctic ) ▁ ▁Arab ian ▁Pen ins ula ▁coast al ▁fog ▁desert ▁( A f rot rop ical ) ▁ ▁Arab ian ▁sand ▁desert ▁( P ale ar ctic ) ▁ ▁Red ▁Sea - A rab ian ▁Des ert ▁shr ub lands ▁( P ale ar ctic ) ▁ ▁Soc ot ra ▁Island ▁x er ic ▁shr ub lands ▁( A f rot rop ical ) ▁ ▁South ▁Arab ian ▁pla ins ▁and ▁plate au ▁( P ale ar ctic ) ▁ ▁South west ▁Arab ian ▁coast al ▁x er ic ▁shr ub lands ▁( A f rot rop ical ) ▁ ▁South west ▁Arab ian ▁high land ▁x er ic ▁scr ub ▁( A f rot rop ical ) ▁ ▁South western ▁Arab ian ▁Esc arp ment ▁shr ub lands ▁and ▁wood lands ▁( A f rot rop ical ) ▁ ▁Marine ▁e cor eg ions ▁Y emen ' s ▁se as ▁are ▁divided ▁into ▁three ▁marine ▁e cor eg ions , ▁all ▁part ▁of ▁the ▁Western ▁Ind o - P ac ific ▁marine ▁real m . ▁ ▁Southern ▁Red ▁Sea ▁ ▁G ulf ▁of ▁A den ▁ ▁Western ▁Arab ian ▁Sea ▁ ▁References ▁ ▁Eric ▁D iner stein , ▁David ▁Ol son , ▁et ▁al . ▁( 2