12 
Fishery Bulletin 1 1 1 (1) 
Scott G. P., S. C. Turner, C. B. Grimes, W. J. Richards, and E. 
B. Brothers. 
1993. Indices of larval bluefin tuna, Thunnus thynnus, 
abundance in the Gulf of Mexico: modeling variability 
in growth, mortality, and gear selectivity. Bull. Mar. 
Sci. 53:912-929. 
Simmonds, E. J. 
2009. Evaluation of the quality of the North Sea herring 
assessment. ICES J. Mar. Sci., 66:1814-1822. 
Smith W. G., and Morse W. W. 
1993. Larval distribution patterns: early signals for the 
collapse/recovery of Atlantic herring Clupea harengus in 
the Georges Bank area. Fish. Bull. 91:338-347. 
Tanaka, S. 
1973. Significance of egg and larval surveys in the stud- 
ies of population dynamics of fish. In The early life his- 
tory of fish (J. H. S. Blaxter, ed.), p. 152-157. Springer- 
Verlag, Heidelberg. 
Tsechpenakis, G., C. M. Guigand, and R. K. Cowen. 
2007. Image analysis techniques to accompany a new In 
Situ Ichthyoplankton Imaging System (ISIIS), p. 1-6. 
IEEE OCEANS 2007, Aberdeen, Scotland. doi:10.1109/ 
oceanse. 2007. 4302271 
Tsechpenakis, G., C. M. Guigand, and R. K. Cowen. 
2008. Machine Vision assisted In Situ Ichthyoplankton 
Imaging System. Sea Technol. 49( 12):15— 20. 
Wickham, H. 
2009. ggplot2: Elegant graphics for data analysis, 216 p. 
Springer- Verlag, New York. 
Wickham, H. 
2011. The Split-apply-combine strategy for data analy- 
sis. J. Stat. Softw. 40:1-29. 
Zhao F., F. Lin, and H. Soon Seah. 
2010. Binary SIPPER plankton image classification us- 
ing random subspace. Neurocomputing 73:1853-1860. 
