scholarly journals Introduced alien ringed crayfish (Orconectes neglectus neglectus [Faxon, 1885]) threaten imperiled coldwater crayfish (Orconectes eupunctus Williams, 1952) in the Eleven Point River drainage, Missouri, USA

2012 ◽  
Vol 7 (1) ◽  
pp. 129-134 ◽  
Author(s):  
Emily Imhoff ◽  
Michael Moore ◽  
Robert DiStefano
Keyword(s):  
River Drainage ◽  
Orconectes Eupunctus

First record of the crystal darter (Crystallaria asprella) from Big River, Missouri, since 1963

2010 ◽  
Vol 44-45 (2010-2011) ◽  
pp. 41-43
Author(s):  
Jeffery M. Ray
Keyword(s):  
Endangered Species ◽  
First Record ◽  
Main Stem ◽  
Jefferson County ◽  
River Drainage

Abstract The capture of a crystal darter Crystallaria asprella, a state endangered species in Missouri, from the main stem of Big River (Meramec River drainage) in August 2009 represented the first documentation of the species in nearly 50 years from Big River, Jefferson County, and only the second record ever reported from this river.

EFFECTS OF GEOMECHANICAL HETEROGENEITY ON RIVER DRAINAGE AND LANDSCAPE RESPONSE

2016 ◽  
Author(s):  
Samuel G. Roy ◽  
◽  
Peter O. Koons ◽  
Gregory E. Tucker ◽  
Phaedra Upton
Keyword(s):  
River Drainage ◽  
Landscape Response
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