Publications
| passive sampling of bioavailable organic chemicals in perry county, missouri cave streams. | two types of passive samplers--semipermeable membrane devices (spmds) and polar organic chemical integrative samplers (pocis)--were deployed in spring 2008 to assess bioavailable concentrations of aquatic contaminants in five cave streams and resurgences in perry county, missouri. study sites represent areas of high cave biodiversity and the only known habitat for grotto sculpin (cottus carolinae). time-weighted average (twa) water concentrations were calculated for 20 compounds (n = 9 spmds; n ... | 2010 | 21053911 |
| cottus specus, a new troglomorphic species of sculpin (cottidae) from southeastern missouri. | cottus specus, a new species, is described from the karst regions of the bois brule drainage in eastern missouri, usa. cottus specus is distinguishable from all members of the genus cottus using both genetic and morphological characters, including eye size and cephalic pore size. cottus specus represents the first description of a cave species within cottus. the addition of c. specus brings the total number of recognized species of cottus to 33 in north american fresh waters. | 2013 | 24699612 |