| Abstract: | The Firehole River (FHR) in Yellowstone National Park (YNP) is a world- renowned recreational fishery that predominantly includes rainbow trout (RBT, Oncorhynchus mykiss) and brown trout (BNT, Salmo trutta). The trout populations apparently are closed to immigration and have been self- sustaining since 1955. Inputs from hot springs and geysers increase the temperature and mineral content of the water, including elevating the boron (B) concentrations to a maximum of ~1 mg B/L. Both RBT and BNT reside in warm-water reaches, except when the water is extremely warm (???~25??C) during midsummer. They spawn in late fall and early winter, with documented spawning of BNT in the cold-water reach upstream from the Upper Geyser Basin and of RBT in the Lower Geyser Basin reach, where water temperatures presumably are the warmest; however, successful recruitment of RBT in waters containing ~1 mg B/L has not been demonstrated conclusively. Thus, we began investigating the relationships among temperature, B concentrations, other water-quality parameters, and the distribution and reproduction of trout in the FHR in spring 1997. However, atypical high water flows and concomitant lower than historical temperatures and B concentrations during summer 1997 preclude conclusions about avoidance of high B concentrations. |
| Genre: | Conference Paper |
| ProdID: | 70020289 |
| Citation Author: | Meyer, J. S.; Boelter, A. M.; Woodward, D. F.; Goldstein, J. N.; Farag, A. M.; Hubert, W. A. |
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| Citation End Page: | 184 |
| Citation Issue: | 1-3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Biological Trace Element Research |
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| Citation Number Of Pages: | 18 |
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| Citation Search Results Text: | Relationships between Boron concentrations and trout in the firehole river, Wyoming: Historical information and preliminary results of a field study; 1998; Conference Paper; Biological Trace Element Research; Meyer, J. S.; Boelter, A. M.; Woodward, D. F.; Goldstein, J. N.; Farag, A. M.; Hubert, W. A. |
| Citation Start Page: | 167 |
| Citation Volume: | 66 |
| Citation Year: | 1998 |
| Type: | citation/reference |
| Text: | Relationships between Boron concentrations and trout in the firehole river, Wyoming: Historical information and preliminary results of a field study; 1998; Conference Paper; Biological Trace Element Research; Meyer, J. S.; Boelter, A. M.; Woodward, D. F.; Goldstein, J. N.; Farag, A. M.; Hubert, W. A. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Thu, 1 Jan 1998 00:00 -0600 |
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