Tag: Ocean Life

Natural History / Natural History - 9 years ago

What is an extremophile?

Extremophiles are organisms that live in "extreme environments," under high pressure and temperature. Bacteria often form on the rocks near the hydrothermal vents. Pictured is the Sully Vent in the Main Endeavour Vent Field, NE Pacific. A bed of...

Natural History / Natural History - 9 years ago

What is a marine protected area?

The majority of marine protected areas in the United States are multiple-use sites, meaning fishing, boating, surfing, diving, and other recreational activities are allowed. Marine protected areas (MPAs) in the U.S. come in a variety of forms...

Natural History / Natural History - 9 years ago

Why do Harmful Algal Blooms occur?

Satellite image of Lake Erie showing a mild harmful algal blom in the southwestern portion of the lake. Harmful algal blooms (HABs) occur when colonies of algae—simple plants that live in the sea and freshwater—grow out of control while produc...

Natural History / Natural History - 9 years ago

What is a red tide?

VIDEO: Learn about "red tides" and human health in this video from the U.S. Integrated Ocean Observing System®. Harmful algal blooms, or HABs, occur when colonies of algae—simple plants that live in the sea and freshwater—grow out of control...

Natural History / Natural History - 9 years ago

What is an estuary?

Estuaries: Where the River Meets the Sea Get to know estuaries with this two-minute video. Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. Estuaries are home to unique plant and animal c...