Volume 15 Nos. 1 & 2,1992
197. Rama Rao, K. Observations on the morphology of two species of Hypnea
in Indian waters. ... ... ... ... ... 5
198. Kaliaperumal, N., S. Kalimuthu, K. Muniyandi, J.R. Ramalingam,
V.S.K.Chennubhotla K. Rama Rao, P. V. Subba Rao, P.C. Thomas,
S.H. Zaidi and K. Subbaramaiah. Seaweed resources off Tamilnadu
Coast: Sector III. Valinokkam - Kilakkarai. ... ... 11
199. Anand, N. and P. Parameswaran. Nitrogen fixation and ammonia excretion
by the green algae. ... ... ... ... ... ... 15
200. Maya,S. and N. BalakrishnanNair. Ecologyof tropical intertidalrock-pools
n. Incidence and relative abundance of macroalgae of rock pools at
Kovalam, south-west coast ofIndia ... ... ... 21
201. Hemalatha, R. and R. Rengasamy. Effect of total irradiance on Gracilaria
edulis (Gmelin) Silva. ... ... ... ... ... ... 39
202. Hegde, G.R. and B. D. Hudder. A comparitive limnological study of a
pond and lake at Hubli, Karnataka. ... ... ... ... 45
203. Sampath Kumar, P., L. Kannan, R. Saraswathy and P. Anantharaman.
Seasonalvariation in copperand zinc in water and mixed phytoplankton
of the Pazaiar estuary (South-east coast of India) ... 51
204. Velkanni, K. and R. Rengasamy. Effect of nitrate on growth, pigmcnts
and
k-carrageenan contents of Hypnea valentiae (Turn.) Mont. 57
205. Balakrishnan, S., M. Ravichandran and N. Kaliaperumal. Studies on the
distribution and standing crop of algae atMuthupet estuary,Tamilnadu. 63
206. Ananthan, G., M. Ganesan, P. Sampath Kumar, M. Madhevan Pillai and
L. Kalman. Distribution of trace metals in water, sediment and
. plankton of the Vellar estuary... ... ... ... ... ... ... 69
207. Sobha, V., Meera Surendar and T. Vasudevan Nair. Heavy metal and
biochemical studies of different groups of algae from Cape Comorin
and Kovalam. ... ... ... h. 77
208. Ragothaman, G. and M. V. Hanumantha Babu. Studies on the marine
algae of Devka West. ... ... ... ... ... ... 91
209. Hemalatha, R. and R. Rengasamy. Effect of salinity of Graci/aria edu/is
(Gmelin) Silva. ... ... ... ... ... ... ... 99
210. Kalidasan, K. and A. Abdul Rahman. Seasonal variation of phytoplankton
and their ecology in Muthupet estuary. _.. ... ... 105
211. Reddy, T.R.K., N. Srinivas and George Verghese. Some properties of
phosphatases of marine algae occurring in Visakapatnam coast. ... 109
212. Reddy, T.R.K., George Verghese and N. Srinivas. Some properties of
amylase from marine algae occurring in Visakhapatnam coast. ... 113
213. Kalimuthu, S., N. Kaliaperumal and J. R. Ramalingam. Distribution and
seasonal changes of marine algal flora from seven localities around
Mandapam ___ _.. _.. .._ .._ ... ... 119
214. Sarojini, Y. and M. Umamaheswara Rao. Effects of sewage on two marine
diatoms ___ ___ ___ ___ ___ _.. ... ... 127
215. Thomas, P. C. and K. Subbaramiah. Longevity and recolonization of
Sargassum wightii from Mandapam ... ... ... 133
216. Venkata Rao, E. and K. Sri Ramana. Polysaccharides of some marine
algae ___ ___ ___ ___ __. ... ... ... 139
217. Kalpana Modi, R. G. Parekh, Y. A. Doshi and V. D. Chauhan. Seaweed
preservatives: Effect on properties of Sodium alginate from
Sargassu111sp. ___ ___ ___ . ___ ___ ... ... 145
218. Siddhanta, A. K., B. K. Ramavat, Kalpana Modi and V. D. Chauhan.
Biomedical potential of marine algae. 149
219. Padmini Sreenivasa Rao, P. Biological investigations of Indian
Phaeophyceae : 9. Seasonalvariations of antibacterial activity of crude
extracts from Sargassum johnstonii Setchell et Gardner from Okha,
west coast of India. 159
220. P. Padmini Sreenivasa Rao. Biological investigations of Indian
Phaeophyceae : 10. Seasonal variations of antibacterial activity of
fractions from Sargasslll1ljohnstonii Setchell et Gardner from Okha,
west coast ofIndia. ... ... ... ... ... ... ... 167
221. Manivasaham, S., A. Mohanakumar, B. Anitha and A. Subramanian.
Antibiotic activity of the lichen Roccella be/angeriana Awasthi
collected from Pichavaram mangrove. ... ... ... 173
222. Subba Rao, P. V., K. Rama Rao, T. K. Mal, K. Subbaramaiah,
N. Kaliaperumal, S. Kalimuthu, K. Muniyandi, J. R. Ramalingam and
V. S. K. Chennubhotla. Seaweed resources of Tamilnadu coast:
Sector II. Alanthalai - Manapad and Vembar - Nallathannithivu. ... 177
223. Doshi, Y. A., R. G. Parekh and V. D. Chauhan. Indian agarophytes :
Resources, their utilisation and management. ... ... 185
224. Kaliaperumal,N., S.Kalimuthu and J.R.Ramalingam. Studies on the agar
content in Graci/aria arcuatavar. arcuata and G. corticata var. cylindrica.
191
225. Parekh, R. G., Y. A. Doshi and V. D. Chauhan. Indian carrageenopnytes:
Economic potential and prospects. ... ... ... ... 197
226. Sankaran, V. Blue-green algae from brackish water pools. ... 207