Remember a couple of weeks ago, when warmist Monbiot saw some jellyfish and wondered if this was the beginning of the end of vertebrate ecology? He may have overreacted

[July 8, 2011] Have jellyfish come to rule the waves? | George Monbiot | Environment | guardian.co.uk

But I could also see something else. Jellyfish. Unimaginable numbers of them. Not the transparent cocktail umbrellas I was used to, but solid, white rubbery creatures the size of footballs. They roiled in the surface or loomed, vast and pale, in the depths. There was scarcely a cubic metre of water without one.
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Is this the moment? Have I just witnessed the beginning of the end of vertebrate ecology here? .
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A combination of overfishing and ocean acidification (caused by rising concentrations of carbon dioxide in the atmosphere) has created the perfect conditions for this shift from a system dominated by fish to a system dominated by jellyfish.

July 22, 2011: Dear Jellyfish: Where are you? - Rosenwald, Md. - The Washington Post

There is breaking news to report in Chesapeake Bay. The jellyfish are missing.

“You can almost set your calendar by it,” Sandy Point State Park ranger Mike Travers told The Capital. Meaning this: After July 4, the jellies start their reign of terror.
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All of the jellyfish are AWOL.
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Like any scientist, Sexton has theories. One: Salt. The Chesapeake, she says, is simply not salty enough right now, with a record low level. Two: winter. Our harsh winter might have slowed down their maturity.