Dear all  
 
Here's a bit more info on what the Poms like me usually call "bird rafts"  although I guess "bird pontoons" would be less ambiguous. 
 
For an account of the success of the RSPB in using rafts for Divers (as we Poms call Loons) see for example: 
 
http://www.rspb.org.uk/news/details.asp?id=tcm:9-169381 
 
There is a photo of some tern rafts at  http://www.brentres.com/gallery2.htm  where a chain of rafts (started in the 1970s I think) helps create a barrier between areas use for boating and conservation area, and also reduces wave action thus creating some muddy shallows.  
 
And the great British Trust for Conservation Volunteers has a whole section on raft designs (including floating rafts of reeds and a cute little one on a pole) in their waterways and wetlands handbook: 
 
http://handbooks.btcv.org.uk/handbooks/index 
 
Michael Norris 
 
 
 
 
On Fri Dec 14 3:23 , Judith Hoyle <>sent: 
 
Hi Peter, 
  
Sorry, I had not realised that the article I pasted in did not transmit with the pictures in it.  I have sent the link below.  You will see that the structure is not much more than a raft!  Still in this case it did the trick and it shows how small you can go and still make a difference! 
  
Judith 
  
http://www.akcf.org/_pages/story/box2-making_a_difference.php 
  
 
 
 
 
 
> Subject: RE: [Birding-Aus] Bird Islands in Dams 
> Date: Fri, 14 Dec 2007 09:50:54 +1100 
> From:  
> To: ; ; ;  
>  
> Where exactly on the site is the photo of the pontoon? I'm wondering if 
> pontoons could be better than islands, as they could be constructed to 
> make it difficult for a fox to climb up onto them. Although I guess 
> that could make it hard for young birds too. 
>  
> Peter Shute 
>  
>  wrote on Thursday, 13 December 2007 
> 6:10 PM: 
>  
> > Hi Everyone, 
> >  
> > In response to the debate bird islands in dams, I have cut 
> > and pasted the article below off the net from Alaska. Jean 
> > Tam's work with Loons in Connors Lake in Anchorage shows how 
> > successful a very simple approach can be in providing refuge 
> > for nesting birds. I have visited this lake with Jean and 
> > Scott and as you can see from the photos the pontoon is not 
> > far from shore. I'm not sure what the fox population is in 
> > Anchorage, but red foxes do inhabit the state and naturally 
> > cats are common pets. As you will read though, raptors were 
> > the big issue for the loons, which they fixed with a screen. 
 
 
 
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