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Historical Changes In The Occurrence And Distribution Of Freshwater Mussels In Kansas, Robert T. Angelo, M. Steve Cringan, Eva Hays, Clint A. Goodrich, Edwin J. Miller, Mark A. Vanscoyoc, Bryan R. Simmons

Great Plains Research: A Journal of Natural and Social Sciences

The surface waters of eastern and central Kansas once supported an impressive variety of native freshwater mussels, but a widespread decline in species richness accompanied the urban, industrial, and agricultural development of this region. Statewide mussel surveys implemented during the past two decades have shed new light on the scope and severity of this decline. Of the 48 mussel species originally known from Kansas, six are now extirpated, one lacks reproductively viable populations (i.e., faces imminent extirpation), and 38 others have suffered evident range reductions or a widespread thinning of former populations. Soil erosion and stream siltation, other forms of …