Stream mesocosms Click to skip slider carouselPrevious slideNext slide 1/6 Stream mesocosm experiment that tested the effect of round gobies on leaf litter in streams in summer 2010. Download Image 2/6 Setting up pools Download Image 3/6 Graduate student Chris Janik setting up the stream mesocosm pools. Download Image 4/6 Pool with rocks and bags of leaves. Download Image 5/6 Covered pools with the water reservoir. Download Image 6/6 Waterfront experiment Download Image Displaying slide 1 of 6End of slider carousel