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Posts tagged with ‘wetland’ (4)

Amphibians threatened by non-native fish and climate change

Posted by Ariana Kaknevicius in Wildlife on Tuesday, May 20, 2014

A Cascades frog peeks out of the water in Olympic National Park, Wash. (Photo: Maureen Ryan, University of Washington)

It ain't easy being green, particularly if you're a frog in western North America.

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Are neonicotinoid pesticides contaminating wetlands?

Posted by Angele Cano in Wildlife on Wednesday, April 9, 2014

Wetlands in Saskatchewan. (Photo: SriMesh Adamson, J./Creative Commons)

University of Saskatchewan researchers are worried pesticides used in the province are connected to the decrease in bird and bug populations.

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Yukon summer adventure: The fine art of atlatl throwing

Posted by Allen Macartney in The RCGS on Saturday, June 30, 2012

The day before leaving on my 1,500-km solo canoe trip, Grant Zazula, Yukon's paleontologist, gave me a lesson on how to toss a deadly atlatl.

What is an atlatl?

It's a hunting weapon that native hunters used to extend the kill zone when out stalking game.

A regular spear can only reach a limited distance, but by using an atlatl (a length of notched wood helps propel the spear) you can extend your range and force. Native hunters used these until the bow and arrow were discovered, but some ...

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Bringing back the peatlands

Posted by Samia Madwar on Tuesday, March 13, 2012

A typical peatland adjacent to oil sands mines. Credit: Suzanne Bayley

In a promotional video for the Canadian Association of Petroleum Producers, Patrick Moore marvels at weeds. 
As the co-founder of Greenpeace walks through what appears to be a lush meadow, brushing the tips of his fingers over grasses, he extols the beauty of a landscape that was once a mining operation in the Alberta oil sands. The land, Moore says, has been successfully reclaimed, meaning it has been converted from an open-pit mine to a self-sustaining natural state. 
A new study to be published ...

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