Bibliography and Index of the Sirenia and Desmostylia  

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"Garrott, Robert A."

Garrott, Robert A.: SEE ALSO Craig et al., 1997; Eberhardt et al., 1999. (detail)
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 Garrott, Robert A.; Ackerman, Bruce B.; Cary, John R.; Heisey, Dennis M.; Reynolds, John E., III; Rose, Patrick M.; Wilcox, J. Ross (detail)
   
1994
Trends in counts of Florida manatees at winter aggregation sites.
Jour. Wildl. Manage. 58(4): 642-654. 2 tabs. 3 figs. Oct. 1994.
–Analyzes data from aerial surveys, 1977-1992, and correlates manatee numbers with temperature covariates. Results indicate an increase in the counts at east-coast aggregation sites, but this may not reflect a real population trend.
 
 
 Garrott, Robert A.; Ackerman, Bruce B.; Cary, John R.; Heisey, Dennis M.; Reynolds, John E., III; Wilcox, J. Ross (detail)
   
1995
Assessment of trends in sizes of manatee populations at several Florida aggregation sites. In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept. (U.S. Dept. Interior, Natl. Biological Service) (vi + 289) 1: 34-55. 8 tabs. 14 figs. 2 apps. Aug. 1995.
–Abstr. in O'Shea et al. (1992: 15-16).
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 Craig, Bruce A.; Newton, Michael A.; Garrott, Robert A.; Reynolds, John E., III; Wilcox, J. Ross (detail)
   
1997
Analysis of aerial survey data on Florida manatee using Markov chain Monte Carlo.
Biometrics 53(2): 524-541. 1 tab. 10 figs.
–French summ. Complex mathematical treatment of Atlantic Coast survey data, 1982-92, indicates that the manatee population increased during the 1980s, but the population growth rate declined in the early 1990s, while the population size was stable or slightly decreasing.
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 Eberhardt, L. Lee; Garrott, Robert A.; Becker, B. L. (detail)
   
1999
Using trend indices for endangered species.
Mar. Mamm. Sci. 15(3): 766-785. 8 figs. "July 1999" (mailed June 8, 1999).
–Concludes in regard to Florida manatees that previously-used multiple regression models overestimated the rate of change of the East Coast population as determined from three other sources (a covariance model, a non-linear model, and the rate estimated from reproductive and survival data) (766-767, 770-774, 781-783).
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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