Tag: Ecosystems

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 threats do seabirds face?

In California, frequent human-caused disturbances to seabirds include low-flying aircraft, close approaches by motorized and non-motorized boats, humans on foot, and general ocean and coastal users. In California, for example, nesting and migr...

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

Are coral animals or plants?

Corals are sessile animals that "take root" on the ocean floor. It's no wonder that many people think corals are plants! Corals are sessile, which means that they permanently attach themselves to the ocean floor, essentially "taking root" like...

Natural History / Natural History - 8 years ago

What is a seamount?

A map of a seamount in the Arctic Ocean created by NOAA's Office of Coast Survey by gathering data with a multibeam echo sounder. Seamounts - undersea mountains formed by volcanic activity - were once thought to be little more than hazards to...

Natural History / Natural History - 8 years ago

How does oil impact marine life?

Following an oil spill, there are specialists and veterinarians to deal with oiled wildlife. These experts are trained on how to clean oil from animals, rehabilitate them, and return them to the environment. Oil destroys the insulating ability...

Natural History / Natural History - 8 years ago

What lives in a kelp forest?

Many species of fish and marine mammals inhabit kelp forests for protection and food. In kelp forests, the most commonly found invertebrates are bristle worms, scud, prawn, snails, and brittle stars. These animals feed on the holdfasts that ke...

Natural History / Natural History - 8 years ago

What is nutrient pollution?

Nutrients can run off of land in urban areas where lawn fertilizers are used. Pet and wildlife wastes are also sources of nutrients. To see how this happens, consider this visualization of the Chesapeake Bay, part of the largest watershed in the...

Natural History / Natural History - 8 years ago

What is resilience?

Resilience is important everywhere because all communities face hazard threats such as droughts and flooding. Coastal areas have additional hazard risk from storms such as hurricanes and increased population pressures, making resilience partic...