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Published online 27 October 2006
Published in J Environ Qual 35:2250-2260 (2006)
DOI: 10.2134/jeq2005.0348
© 2006 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Antibiotic Transport via Runoff and Soil Loss

J. G. Davisa,*, C. C. Trumanb, S. C. Kimc, J. C. Ascough, IId and K. Carlsone

a Dep. of Soil & Crop Sciences, Colorado State University, Fort Collins, CO 80523-1170
b USDA-Agricultural Research Service, Southeast Watershed Research Laboratory, Tifton, GA 31793-0946
c Dep. of Civil Engineering, Colorado State University, Fort Collins, CO 80523-1372
d USDA-Agricultural Research Service, Great Plains Systems Research Unit, 2150 Centre Ave., Bldg. D, Ste. 200, Fort Collins, CO 80526
e Dep. of Civil Engineering, Colorado State University, Fort Collins, CO 80523-1372


Figure 1
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  		Fig. 1. Structure of tetracyclines and sulfonamides examined in this study.

 

Figure 2
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  		Fig. 2. Structure of (a) erythromycin (ERY), (b) tylosin (TYL), and (c) monensin (MNS).

 

Figure 3
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  		Fig. 3. Rainfall intensity (•) and average runoff ({blacktriangleup}) and erosion rates ({blacksquare}) for a variable-intensity simulated rainstorm.

 

Figure 4
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  		Fig. 4. Average antibiotic concentrations in runoff aqueous phase (top) and sediment solid phase (bottom). TC = tetracycline, CTC = chlortetracycline, STZ = sulfathiazole, SMT = sulfamethazine, ERY = erythromycin, TYL = tylosin, and MNS = monensin.

 

Figure 5
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  		Fig. 5. Average rate of mass loss as a function of time in runoff aqueous phase (top) and sediment solid phase (bottom). TC = tetracycline, CTC = chlortetracycline, STZ = sulfathiazole, SMT = sulfamethazine, ERY = erythromycin, TYL = tylosin, and MNS = monensin.

 

Figure 6
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  		Fig. 6. Average pseudo-partitioning coefficient as a function of time for TC, CTC, SMT, and MNS. Time had no impact on the pseudo-partitioning coefficients for STZ, ERY, and TYL, and therefore they are not shown. TC = tetracycline, CTC = chlortetracycline, SMT = sulfamethazine, MNS = monensin, STZ = sulfathiazole, ERY = erythromycin, and TYL = tylosin.

 




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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2006 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.