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Saturday, October 12, 2013
Professor Tom Doyle On Jellyfish In Cork
Among other things, he has spent time putting tags on jellyfish off the Irish Sea. "It was not an easy thing to do."
His talk gave the educational basics of jellyfish.
“There are 4 types of stinging jellyfish. The scyphozoans, the box jellyfish, the hydromedusae that have hundreds of species most smaller than 10 mm in size, and the siphonophores that look like a long frayed rope but it also includes the Portuguese man o war.
Jellyfish include a bell, the tentacles, and the oral arms, but different waters have different jellyfish. "What are the species you will find in the waters that you will encounter? This is the information that swimmers are interested in.
Jellyfish are not randomly distributed. Jellyfish are found in key places. For example, the Lion's Mane is located in the northern parts of the Irish Sea and the compass down towards the south. And not all jellyfish form aggregations. Jellyfish species do different things. Some move up and down and some stay at the same level. And they grow over time. They are small in the winter and autumn when the jellyfish are much smaller.
There is evidence that jellyfish populations are unceasing, but there are locations where they are decreasing or are stable. The media talks about the growth of jellyfish around the world, but it is not a global phenomena. Jellyfish are a part of the marine ecosystem. They prey on things and are eaten by others." Copyright © 2013 by Open Water Swimming
A Thank You Gift from WOWSA
|WOWSA is celebrating the|
1-Year Anniversary of the monthly Open Water Swimming Magazine
by giving you a free copy of the anniversary issue.
Open Water Swimming Magazine Anniversary Issue
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Download the file to your computer, and then right-click to extract the magazine which is inside the zip folder. The magazine is in PDF format.
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Open Water Swimming Magazine
Open Water Swimming MagazineThe Open Water Swimming Magazine is the monthly magazine entirely focused on open water swimming heroes and heroines of every age, ability, and background. Published by the World Open Water Swimming Association, the Open Water Swimming Magazine is a free benefit to WOWSA members.
WOWSA Member Benefits include 12 issues of the Open Water Swimming Magazine, the annual 276-page Open Water Swimming Almanac, a free listing in Sponsor My Swim, outstanding product discounts from FINIS, an entry in Openwaterpedia and more...
The Other Shore
The Other Shore follows world record holder and legendary swimmer Diana Nyad as she comes out of a thirty-year retirement to re-attempt an elusive dream: swimming 103 miles non-stop from Cuba to Florida without the use of a shark cage. Her past and present collide in her obsession with a feat that nobody has ever accomplished. At the edge of The Devil’s Triangle, tropical storms, sharks, venomous jellyfish, and one of the strongest ocean currents in the world, all prove to be life-threatening realities. Timothy Wheeler’s documentary brings Diana Nyad’s extraordinary adventure to life as Diana sets out to prove that will and determination are all you need to make the unimaginable possible.
2014 Open Water Swimming Almanac
An Almanac for Open Water SwimmingAn almanac is essentially a body of knowledge which is so complete that it enables people in different fields to make predictions about the future of their respective industries.
This, for example, was the purpose of the traditional farmers almanacs. It enabled farmers to determine as accurately as possible which crops to plant for the greatest harvests in a given year.
But the farmers almanac was just one example among many.
There are, of course, many different kinds of almanacs.
In fact, there is even one for open water swimming...
Preview the Open Water Swimming Almanac:
The trends are very clear.
The tide is rising for open water swimming.