Articles on Habitat

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The coral reefs of Palmyra Atoll, part of Pacific Islands Heritage Marine National Monument, provide nurseries for many fish species. Andrew S. Wright/U.S. Fish and Wildlife Service via Flickr

Trump is stripping protections from marine protected areas – why that’s a problem for fishing’s future, and for whales, corals and other ocean life

America’s marine protected areas help fish populations thrive. Trump’s plan to open them to industrial fishing may ultimately harm the fishing industry itself.
Wetlands at Blackwater National Wildlife Refuge in Maryland shows signs of ‘pitting,’ where areas of cordgrass have converted to open water. Will Parson/Chesapeake Bay Program via Wikimedia

Coastal wetlands can’t keep pace with sea‑level rise, and infrastructure is leaving them nowhere to go

A coastal scientist explains why marshes, mangroves and other wetlands can’t keep up with the effects of climate change, and how human infrastructure is making it harder for them to survive.
The habitats used throughout the halibut’s life and the movements between them are difficult to characterize. (Charlotte Gauthier)

How do halibut migrate? Clues are in their ear bones

Atlantic halibut are making a strong comeback in the Gulf of St. Lawrence. But how do we know where the fish move throughout their lives?
The bow of the U.S. Coast Guard cutter Duane, a decommissioned ship deliberately sunk off Florida to serve as an artificial reef. Stephen Frink via Getty Images

Not all underwater reefs are made of coral − the US has created artificial reefs from sunken ships, radio towers, boxcars and even voting machines

Artificial reefs are structures that humans put in place underwater that create habitat for sea life. A new study shows for the first time how much of the US ocean floor they cover.
The New York City borough of Manhattan at night, viewed from the Rockefeller Center observation deck. Sergi Reboredo/VW Pics/Universal Images Group via Getty Images

Artificial light lures migrating birds into cities, where they face a gauntlet of threats

Migrating birds need stopover locations en route where they can rest and feed. A new study shows that artificial light draws them away from sites they would normally use and into risky zones.

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