Fish assemblages and seasonal movements of fish in irrigation canals and river reaches of the middle Rio Grande, New Mexico (USA)

2007 ◽  
Vol 16 (4) ◽  
pp. 548-558 ◽  
Author(s):  
D. E. Cowley ◽  
R. C. Wissmar ◽  
R. Sallenave
2013 ◽  
Vol 58 (2) ◽  
pp. 150-162 ◽  
Author(s):  
L. Arriana Brand ◽  
Mark D. Dixon ◽  
Trevor Fetz ◽  
Juliet C. Stromberg ◽  
Steven Stewart ◽  
...  

<em>Abstract.</em>—The Rio Grande is the fourth longest river in North America and the 22nd longest in the world. It begins as a cold headwater stream in Colorado, flows through New Mexico and Texas, where it becomes warm and turbid and finally empties into the Gulf of Mexico. The diversity of native fishes is high in the Rio Grande ranging from freshwater salmonids in its upper reaches to coastal forms in the lower reaches. Historically, about 40 primary freshwater species inhabited the waters of the Rio Grande. Like many rivers throughout North America, the native fish fauna of this river has been irrevocably altered. Species once present are now extinct, others are threatened or endangered, and the majority of the remaining native fishes are declining in both range and numbers. Today, 17 of the 40 primary native freshwater fishes have been either extirpated in part or throughout the Rio Grande drainage. This chapter examines the river, its fauna, and its current plight.


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