New sediment sampler and Wissahickon wildlife

I tried out a new sediment sampler with grad student Alex Nawotke.  The Helley-Smith sampler uses a net to catch suspended fines. We used it to collect fines in the bedload by kicking them up to create a suspension.  Alex will analyze to see if there are any contaminants in the bed load.  A few days later, a colleague Jon Lester from Montgomery County Planning Commission capture a snake eating a fish at the site we were sampling.  Dr Bojeong Kim, Alex’s advisor, commented that we missed an opportunity to sample bioaccumlation, but personally I don’t want to be in the stream with that snake is out and about!


Snake Photo courtesy of Jon Lester

Sampler photo courtesy of   Mary-Margaret Monser

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