LITERATURE CITED 



Chapman, A.R.O. 1972. Phenotypic variability of stipe morphology 

 in relation to season, exposure, and depth in the non- 

 digitate complex of Laminaria Lamour. (Phaeophyta, 

 Laminariales) in Nova Scotia. Phycologia 12:53-57. 



Davison, I.R., M. Andrews and W.D.P. Stewart. 1984. Regulation 

 of growth in Laminaria digitata : use of in vivo nitrate 

 reductase activities as an indicator of nitrogen limitation 

 in, field populations of Laminaria spp. Mar. Biol. 84:207- 

 217. 



Davison, I.R. and J.O. Davison. 1987. The effect of growth 



temperature on enzyme activities in the brown algae Laminaria 

 saccharina (L.) Lamour. Br. Phycol . J. 22:77-87. 



Davison, I.R. 1987. Adaptation of photosynthesis in Laminaria 

 saccharina (Phaeophyta) to changes in growth temperature. 

 J. Phycol. 23:273-283. 



Gerard, V.A. 1988. Ecotypic differentiation in light related 



traits of the kelp Laminaria saccharina . Mar. Biol. 97:25- 

 36. 



Espinoza, J. and A.R.O. Chapman. 1983. Ecotypic differentiation 

 of Laminaria longicruris in relation to seawater nitrate 

 concentration. Mar. Biol. 74:213-218. 



Sundene, O. 1964. On the ecology of Laminaria digitata in Norway 

 in view of transplant experiments. Nytt. Mag. Bot 11:83- 

 107. 



Wheeler, W.N. and M. Weidner. 1983. Effect of external inorganic 

 nitrogen concentration on metabolism, growth, and activities 

 of key carbon and nitrogen assimilatory enzymes of Laminaria 

 saccharina (Phaeophyceae) in culture. J. Phycol. 19:92-96. 



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