Good point, although it was skiers, not walkers, they were compared to. They 
might be much quieter, and a lot faster. As for the snowmobiles, I assume 
they're talking about those going from A to B, not those zooming around 
aimlessly. I can't imagine many animals putting up with that.
Peter Shute
Sent from my iPad
On 17 Feb 2015, at 7:25 pm, Martin Butterfield 
<<>> wrote:
I wonder who sponsored the research that showed snowmobiles were not much of an 
issue?  My nominations would be some entity associated with snowmobiles.  I 
have never ridden one of these appalling devices but have come across moose 
several times while walking in Canada and the U.S.  They paid no attention to 
the humans at all but simply carried on grazing or wading as they appeared to 
be doing before we arrived.
I tend to be very suspicious of such research that seems to show access by park 
people is OK but us mere mortals have to be kept out.
Martin
On Tuesday, 17 February 2015, Peter Shute 
<<>> wrote:
This article from the New York Times discusses the effects of recreation on 
nature. Surprisingly, one study found that snowmobiles had less effect on moose 
than cross country skiers - the animals were less afraid of the machines they 
could hear coming and which soon left, than the skiers who they couldn't hear 
as well and which stayed longer.
Not a very Australian example, but it makes you wonder if we birders might have 
more effect than we think, wandering slowly and quietly through the bush 
looking at stuff.
http://www.nytimes.com/2015/02/15/opinion/sunday/leaving-only-footsteps-think-again.html<http://www.nytimes.com/2015/02/15/opinion/sunday/leaving-only-footsteps-think-again.html?smid=nytcore-ipad-share&smprod=nytcore-ipad&_r=1>
Peter Shute
Sent from my iPad
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