Food Pyramids in the Great Lakes

February 28, 2011

As seen through a microscope, phytoplankton are at the base of the food pyramid.

Invasive species such as Asian Carp and the quagga mussel filter phytoplankton out of the water thus depriving other species that depend upon them of food. This is why we must keep Asian Carp out of the Great Lakes. Quagga mussels live on the bottoms of the the lakes and are taking a toll on the Great Lakes food pyramid.

When an invasive species enters a body of water, their populations often explode.

Read more about food pyramids in my book, The Dynamic Great Lakes The new edition of the book is available at


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