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Author : Dominique Alò
Release : 2003
Genre : Dams
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Genetic Effects of River Fragmentation on the Federally Endangered Rio Grande Silvery Minnow (Hybognathus Amarus) by : Dominique Alò
Download or read book Genetic Effects of River Fragmentation on the Federally Endangered Rio Grande Silvery Minnow (Hybognathus Amarus) written by Dominique Alò. This book was released on 2003. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hugo A. Magaña
Release : 2007
Genre : Chironomidae
Kind : eBook
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Book Synopsis A Case for Classifying the Rio Grande Silvery Minnow (Hybognathus Amarus) as an Omnivore by : Hugo A. Magaña
Download or read book A Case for Classifying the Rio Grande Silvery Minnow (Hybognathus Amarus) as an Omnivore written by Hugo A. Magaña. This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Department of the Interior
Release : 2014-07-23
Genre : Reference
Kind : eBook
Book Rating : 036/5 ( reviews)
Book Synopsis On-site Evaluation of the Suitability of a Wetted Instream Habitat in the Middle Rio Grande, New Mexico, for the Rio Grande Silvery Minnow by : U.S. Department of the Interior
Download or read book On-site Evaluation of the Suitability of a Wetted Instream Habitat in the Middle Rio Grande, New Mexico, for the Rio Grande Silvery Minnow written by U.S. Department of the Interior. This book was released on 2014-07-23. Available in PDF, EPUB and Kindle. Book excerpt: Two in-situ exposure studies were conducted with the federally-listed endangered Rio Grande silvery minnow (Hybognathus amarus). One-year-old adults were exposed in cages deployed at three sites in the Middle Rio Grande, N. Mex., for 4 days to assess survival and for 26 days to evaluate survival, growth, overall health, and whole-body elemental composition. The test sites were located on the Pueblo of Isleta in the (1) main channel of the Middle Rio Grande, (2) 240-Wasteway irrigation return drain, and (3) wetted instream habitat created below the outfall of the 240-Wasteway irriga-tion return drain.
Author : Alison M. Hutson
Release : 2013
Genre : Endangered species
Kind : eBook
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Book Synopsis Effect of High Stocking Rates on Growth and Survival of the Endangered Rio Grande Silvery Minnow Hybognathus Amarus by : Alison M. Hutson
Download or read book Effect of High Stocking Rates on Growth and Survival of the Endangered Rio Grande Silvery Minnow Hybognathus Amarus written by Alison M. Hutson. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: The endangered Rio Grande silvery minnow Hybognathus amarus was cultured in 2.44-m-diameter outdoor tanks in a 131-day yield trial to assess growth, survival, and percentage of taggable-sized fish ( total length) when stocked at 500/tank (1.07 million/ha), 1,000/tank (2.14 million/ha), and 1,500/tank (3.21 million/ha). At harvest, fish averaged 45.6 mm and 0.94 g in the 500/tank treatment, 42.6 mm and 0.74 g in the 1,000/tank treatment, and 38.4 mm and 0.55 g in the 1,500/tank treatment; the differences were significant (P = 0.05). Survival in the three treatments was 70%, 64%, and 52%, respectively, but the differences were not significant. Percent taggable-sized fish was 86%, 89%, and 65%, respectively, but the differences were not significant. Yield was 672.5 kg/ha, 1,026.6 kg/ha, and 887.8 kg/ha, respectively; yield in the 1,000/tank treatment was significantly greater than that in the 500/tank treatment, but was not significantly greater than that of the 1,500/tank treatment. This facility is a conservation facility and a major goal is to raise fish without formulated feed. Fertilization produced good growth for the first month, but little growth occurred during the second month so supplemental feed had to be used for the final 60 d of the yield trial.
Author :
Release : 2005
Genre : Hybognathus
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Effects of Salinity and Suspended Sediment on Physical Properties of the Egg of the Rio Grande Silvery Minnow (Hybognathus Amarus) by :
Download or read book Effects of Salinity and Suspended Sediment on Physical Properties of the Egg of the Rio Grande Silvery Minnow (Hybognathus Amarus) written by . This book was released on 2005. Available in PDF, EPUB and Kindle. Book excerpt:
