Hiking equipment
According to Tom Brown, the basic plan for survival is in the order of shelter (including clothing), water, fire, and food. Cody Lundin writes about the "Rule of 3s"; this relates to human survival without basics: three minutes without air, three hours without shelter, three days without water, or three weeks without food.
Tamara Rahn
Thanks to her alien physiology, Tamara has superhuman strength on Earth, which increases under water, although she has an inability to breathe out of water in Earth air for more than a few minutes without artificial aid. She has superhuman water speed, stamina, and durability. She has the ability to survive underwater for indefinite periods, and specially developed vision which gives her the ability to see clearly in the murky depths of the ocean.