Overuse of her magical powers can deplete them to the point that further use of them starts to put a considerable strain on her physical well-being: as with other magical users, the only way to restore her waning powers is an extended period of rest. Even if not as adept as Madame Xanadu, Zatanna has proven herself able to call upon tarot reading for insight or divination.

The mine, with a design capacity of 200,000 ounces a year was deplete of gold by 1999-2001.

The diet of local populations also changes over time, as sea otters can significantly deplete populations of highly preferred prey such as large sea urchins, and prey availability is also affected by other factors such as fishing by humans.

Although many factors affect shellfish stocks, sea otter predation can deplete a fishery to the point where it is no longer commercially viable.

In the following year, Crutzen and (independently) Harold Johnston suggested that NO emissions from supersonic aircraft, which fly in the lower stratosphere, could also deplete the ozone layer.

Perfect and Great steps slowly fill the Gauge, while Boo and Miss steps quickly deplete it.