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Environmental DNA Gives Clues About the Ocean's Twilight Zone

The resulting trail of environmental DNA, or eDNA, gives researchers clues about which species are in the ocean's twilight zone, and their relative abundance. ....

Elizabeth Andruszkiewicz Allan , Weifeng Gordon Zhang , Annette Govindarajan , University Of Washington , Woods Hole Oceanographic Institution , Scientific Reports ,

Researcher tracking lion's mane jellyfish off the New England coast


MARSHFIELD  Their tentacles can stretch dozens of feet. The bell on top is often the size of a dinner plate and is usually a reddish-brown color. They drift along in the Atlantic waters off New England. And they sting.
Beachgoers along the coasts of Massachusetts last year began reporting a high number of sightings of lion s mane jellyfish, one of the largest kinds of jellyfish. A woman in Hingham was stung and Duxbury lifeguards started carrying around spray bottles of vinegar to help treat stings. 
It s hard to predict if this year will see a similar uptick in sightings, but one scientific research institute in Maine is trying to track the jellyfish and predict where they will pop up next.  ....

Stellwagen Bank , United States , South Shore , Woods Hole , Keith Ellenbogen , Mike Dimeo , Annette Govindarajan , Joe Difazio , Stellwagen Bank Marine Sanctuary , Woods Hole Oceanographic Institution , Bigelow Laboratory For Ocean Sciences , Stellwagen Bank Marine , Nick Record , Bigelow Laboratory , Woods Hole Oceanographic , Harbormaster Stephen Mone , Marshfield Harbormaster Mike Dimeo , ஒன்றுபட்டது மாநிலங்களில் , தெற்கு கரை , வூட்ஸ் துளை , மைக் டைமோ , ஓஹோ தீபாஜிஓ , வூட்ஸ் துளை கடல்சார் நிறுவனம் , பிஜேளா ஆய்வகம் க்கு கடல் அறிவியல் , நிக் பதிவு , பிஜேளா ஆய்வகம் ,

The ocean's mysterious twilight zone may help fight climate change


At the beginning of the dive, you’re in the ocean’s
epipelagic, or sunlight zone: the shallow waters where light still penetrates and photosynthetic organisms live. But as you dive deeper and deeper, the sunlight above you fades. The ocean around you gets darker and darker, colder and colder.
Amanda Northrop/Vox
At 200 meters, you enter a new division of the ocean. It is “the middle ground between light and shadow,” an area which scientists call . the twilight zone. (Or when they’re being technical, the mesopelagic zone.)
And if the televised
Twilight Zone lies somewhere between “the pit of man’s ignorance and the sum of his knowledge,” so does the one in the ocean. ....

Simon Thorrold , Annette Govindarajan , Paul Caiger Woods Hole Oceanographic Institution , Woods Hole Oceanographic Institution , Twilight Zone , Andone Lavery , Woods Hole Oceanographic , County Register Archive , Digital First , Orange County Register , வூட்ஸ் துளை கடல்சார் நிறுவனம் , அந்தி ஸோந் , வூட்ஸ் துளை கடல்சார் , டிஜிட்டல் முதல் , ஆரஞ்சு கவுண்டி பதிவு ,