Please take a look:

P

pkjryan

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Jan 31, 2007
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25066
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http://www.100thmeridian.org/ Please take a look at this site if you get a chance. This is a great tool to show how serious this problem could be if it enters the Delta. I am off to Franks to take a look at results.
 
Paul

Thanks for this site! As the Safety Officer for the San Joaquin Yacht Club, I will submit this information for publishing in the June newsletter, Cross Currents, to help spread the word. We need to all do our part to prevent this kind of contamination of our waters!
 
We have had them in Lake Erie for years now. At first they were a real pain, they were all over everything, closed power plants down by block water intakes, all over pilings. Now they kind of controled themselves by cleaning the lake up so much that now the lake can't support vast numbers of them and the fish have started eating them. Now the water is blue and there isn't much of a problem with them.
 
I attended a conference in the Tahoe Keys yesterday where some proactive measures are being taken. Area residents are afraid this will get into Tahoe and we should be alert here too. They were only found in Lake Mead by accident and it was a suprise they had made it there. The overwhelming consensus is that they definitely hitchhiked by BOAT. California legislature has set aside money for Fish and Game for use to help keep the Quagga out. It is a much more serious problem than it's cousin the Zebra Mussel. Fish and Game will give some money to Food and Ag for use at the check stations at the State borders. If you are towing a boat into California and Quagga or Zebra are found, your boat will be quarantined. So, we need your help, especially marina's, repair centers, and those who spend a lot of time around boats. A good indicator is that the mussel is attached to the hull, pilings, docks, trailers, and etc. If it is attached, the chance is high that it is either of the two. Call the number on the website and they will send someone to verify it, and then remove them with no cost. I cannot stress how important it is that the information gets out. The blue water is nice, but what these little guys do is filter feed. That is why the clear water. This is bad because it disrupts the entire food chain. They remove all of the plankton and other little creatures everyone feeds on. There were representatives from Michigan there yesterday, and believe me, it is still a problem for them. A couple of us here are hoping to go and get the advance training sometime in July so that we can be proactive and represent a voice for us here in the Delta. Nevada is already in the process of changing a State law so that they can have more control over boats coming in and out of Tahoe from other states where the Quagga resides without first under going a complete boat wash. I would be willing to make some copies of the CD I picked up yesterday and send them out to anyone who wants one. I think you would find them interesting and informative. Thanks
 
http://el.erdc.usace.army.mil/zebra/zmis/ This is an example of how fast the Zebra spread. Remember, without boats, they move downstream. Follow year by year on the map and keep in mind the Quagga spreads faster and resides in much deeper water.
 
These are both fresh water pests. Is there a minimum time a boat needs to be in salt water to kill them?

Believe me, we have plenty of salt water bivalves clamping on to every hard surface in sight already....

BTG
 
Great point about the salt water species BTG. The Quagga and the Zebra need salinity levels below 5ppt (parts per trillion?) to survive. As for how long, I do not know. The main concern is in fresh water live wells, or any spaces that could retain fresh water. I guess the rule of thumb would be if you don't recognize it, try to get in touch with someone who may.
 
We are seeing the same as last week. Hopefully the trend continues and we can see some long term results. I appreciate the queries and also appreciate you passing on the information flutter. Thanks.
 
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