الفترة:
Subjects: Heavy minerals; Jiddah; Saudi Arabia; Water pollution; Physiology
Subjects: Ocean currents; Red Sea Coast; Saudi Arabia
Subjects: Gulf of Aqaba; Jordan; Red Sea; Fishes
Subjects: Alexandria; Egypt; Marine environment; Pollution; Sea water
Subjects: Red Sea
Subjects: Al-Hudaydah; Heavy minerals; Marine environment; Pollution; Sea water