ULANOWICZ ET AL.: IDENTIFYING CLIMATIC FACTORS INFLUENCING MARYLAND LANDINGS 



would like to thank the journal referees for sug- 

 gesting the separation of data into regression 

 and verification subsets and the scrambling of 

 the criterion vector to check for spurious predic- 

 tors. 



LITERATURE CITED 



Cushing, D. H. 



1975. Marine ecology and fisheries. Camb. Univ. Press, 

 Camb., 278 p. 



Dow. R. L. 



1977. Effects of climatic cycles on the relative abundance 

 and availability of commercial marine and estuarine 

 species. J. Cons. Cons. Int. Explor. Mer 37:274-280. 



Driver, P. A. 



1976. Prediction of fluctuations in the landings of brown 

 shrimp (Crangon crangon) in the Lancashire and West- 

 ern Sea Fisheries District. Estuarine Coastal Mar. Sci. 

 4:567-574. 



Flowers. J. M., and S. B. Saila. 



1972. An analysis of temperature effects on the inshore 

 lobster fishery. J. Fish. Res. Board Can. 29:1221-1225. 

 Galtsoff, P. S. 



1964. The American oyster, Crassostrea rirginica Gme- 

 lin. U.S. Fish Wildl. Serv., Fish. Bull. 64:1-480. 

 Heinle, D. R., D. A. Flemer, and J. F. Ustach. 



1976. Contributions of tidal marshlands to mid-Atlantic 

 estuarine food chains. In M. L. Wiley (editor), Estua- 

 rine processes. Vol. II. Circulation, sediments, and 

 transfer of material in the estuary, p. 309-320. Acad. 

 Press, N.Y. 



HlLDEBRAND, S. F., AND W. C. SCHROEDER. 



1927. Fishes of Chesapeake Bay. Bull. U.S. Bur. Fish. 

 43(1), 366 p. 

 IVAKHNENKO, A. G., G. I. KROTOV, AND V. N. VlSOTSKY. 



1979. Identification of the mathematical model of a com- 

 plex system by the self-organization method. In E. A. 

 Halfon (editor). Theoretical systems ecology, p. 325-352. 

 Acad. Press, N.Y. 



Kendall, A. W.-, and L. A. Walford. 



1979. Sources and distributions of bluefish, Pomatomus 

 saltatrix, larvae and juveniles off the east coast of the 

 United States. Fish. Bull., U.S. 77:213-227. 



Lippson, A. J., M. S. Haire, A. F. Holland, F.Jacobs, J.. Jen- 

 sen. R. L. Moran-Johnson, T. T. Polgar, and W. A. Rich- 



KUS. 



1980. Environmental atlas of the Potomac estuary. 

 Johns Hopkins Univ. Press, Bait., Md., 279 p. 



Manning, J. H., and E. A. Dunnington. 



1956. The Maryland soft shell clam fishery: A prelimi- 

 nary investigation report. Proc. Natl. Shellfish. Assoc. 

 46:100-110. 

 Pfitzenmeyer, H. T. 



1962. Periods of spawning and setting of the soft-shell 

 clam, Mya arenaria, at Solomons, Maryland. Chesa- 

 peake Sci. 3:114-120. 

 Rencher, A. C and F. C. Pun. 



1980. Inflation of R 2 in best subset regression. Techno- 

 metrics 22:49-53. 

 RlCKER, W. E. 



1978. Computation and interpretation of biological sta- 

 tistics of fish populations. Dep. Environ. Fish. Mar. 

 Serv., Ottawa, Bull. 191. 

 Saila, S. B., M. Wigbout, and R. J. Lermit. 



1980. Comparison of some time series models for the 

 analysis of fisheries data. J. Cons. Cons. Int. Explor. 

 Mer 39:44-52. 

 Sissenwine, M. P. 



1978. Is MSY an adequate foundation for optimum yield? 

 Fisheries (Bethesda) 3(6):22-42. 

 SUTCLIFFE, W. H., JR. 



1972. Some relations of land drainage, nutrients, partic- 

 ulate material, and fish catch in two eastern Canadian 

 bays. J. Fish. Res. Board Can. 29:357-362. 

 Ulanowicz, R. E., M. L. All and W. A. Richkus. 



1980. Assessing harvests of pelagic and invertebrate 

 fisheries of northern Chesapeake Bay in terms of envi- 

 ronmental variations. Int. Counc. Explor. Sea Code C. 

 M. 1980/H:43, 8 p. 

 Ulanowicz, R. E.. W. C. Caplins, and E. A. Dunnington. 

 1980. The forecasting of oyster harvest in central Chesa- 

 peake Bay. Estuarine Coastal Mar. Sci. 11:101-106. 



619 



