Tag: Basics

Natural History / Natural History - 7 years ago

What is seaweed?

Kelp forest in the Channel Islands National Marine Sanctuary and National Park. Some seaweeds are microscopic, such as the phytoplankton that live suspended in the water column and provide the base for most marine food chains. Some are enormou...

Natural History / Natural History - 7 years ago

What is a salt marsh?

Salt marsh within Narragansett Bay National Estuarine Research Reserve. Salt marshes are coastal wetlands which are flooded and drained by tides. Salt marshes are coastal wetlands that are flooded and drained by salt water brought in by the ti...

Natural History / Natural History - 7 years ago

What is NERRS?

Great Bay National Estuarine Research Reserve is located on the New Hampshire and Maine border. National Estuarine Research Reserves serve as "living laboratories," with opportunities for both scientists and graduate students to conduct resear...

Natural History / Natural History - 7 years ago

What is the EEZ?

This NOAA map shows the U.S. exclusive economic zone. The U.S. Exclusive Economic Zone (EEZ) extends no more than 200 nautical miles from the territorial sea baseline and is adjacent to the 12 nautical mile territorial sea of the U.S., includi...

Natural History / Natural History - 7 years ago

What is a navigation response team?

A NOAA Navigation Response Team vessel. These boats feature both depth-finding and sidescan sonar systems for detecting dangerous obstructions on the ocean floor. NOAA's navigation response teams, part of the Office of Coast Survey, survey the...

Natural History / Natural History - 8 years ago

What is an invasive species?

VIDEO: What is an invasive species? Here's what you need to know in less than a minute. Transcript Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. An invasive species can...

Natural History / Natural History - 8 years ago

What is an eddy?

Can you spot the eddies? This NASA image shows a field of eddies in the waters around Tasmania. The swirling motion of eddies in the ocean cause nutrients that are normally found in colder, deeper waters to come to the surface. Here, phytoplankto...