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Old 13 October 2014, 08:19   #1
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More non-native species popping up ...... boaters and anglers to blame?

Just learnt that West London is the latest victim of a non-native species with the Quagga Mussel turning up in a small river which feeds into the Thames so it might be a good time to remind all boat users who "day sail" to get into the habit of check, clean and dry before they move to another location.

It's pretty easy to do and unfortunately the finger is pointing very much at boaters and anglers for the killer shrimp in Grafham Water so if you are visiting lots of different locations with your boat it's something we all should be doing.

There is more information here; Biosecurity for boat and kayak users - Check, Clean, Dry - GB non-native species secretariat but also on the RYA website.

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Old 14 October 2014, 11:09   #2
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While boaters and fishermen may help spread these invasions, they are generally started in other ways, large ships being the most effective means of contamination. Ballast water is taken on after unloading at some port, and emptied when cargo is laded at another. I seem to recall that of the 200-odd marine invasive species in SF Bay, they are surmising that about 80% were transported by shipping.

Kind of a moot point once they're in place, I suppose, but at least they're aware of it now. There is a movement afoot to have ballast water dumped and replaced at sea to minimize new infestations. Also sterilization of bilge areas, but that's not likely to go anywhere.


Peter_C probably has more info (as he does more fresh water boating than I do), but we now have mandatory inspections at a lot of lakes to prevent Zebra and Quagga Mussel infestations (I have never had my boat inspected.) I was actually kind of wondering how they inspect in the rain since they're looking for a dry bilge area (among other things.)

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Old 14 October 2014, 16:48   #3
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More non-native species popping up ...... boaters and anglers to blame?

I blame the B.S. Gang - apparently responsible for spreading Kerny to Ullswater earlier this year...

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Old 14 October 2014, 17:06   #4
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Quote:
Originally Posted by willk View Post
I blame the B.S. Gang - apparently responsible for spreading Kerny to Ullswater earlier this year...

Aye!! they've got a lot to answer to the B.S. Gang...
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