Contents: Symposium I : Classification of Algae: 1. Some insights into specific and generic concepts among the nongeniculate Corallinaceae (Rhodophyta)/Wm.J. Woelkerling. 2. Nuclear cytology and classification of algae/Y.S.R.K. Sarma. 3. On genus Volvox L. (Volvocales) from Gujarat, India/K. Vani Manohar and R.J. Patel. 4. Notes on some colonial Volvocales/M.T. Philipose. 5. Eutetramorus planctonicus (Korch.) Bourr. (A new record from India)--under culture conditions. I. Evaluation of inorganic media for optimum yield/Pawan K. Dadheech and Pushpa Srivastava. 6. Scenedesmus bijugatus and sbm. I with Endoxan-Asta/Veena Bajaj and Pushpa Srivastava. 7. On a new species of Oedogonium (Oe. parthasarathii sp. nov.) from West Bengal, India/Pranjit Sarma, Durgadas Mukherjee and Akshoy Kumar Chakrabarty. 8. A new species of macrandrous heterothallic Bulbochaete (B. iyengarii sp. nov.) from West Bengal, India/Pranjit Sarma and Durgadas Mukherjee. 9. On the karyology of two forms of Cladophora glomerata/M.N. Noor. 10. On the taxonomic validiy of Chara inflata (Fil. & G.O.A. ex Fil.) Macdon. & Hotch/S. Bharathan. 11. Cladophorella cacicola Fritsch from Anamalays-Tamil Nadu/V. Sankaran. 12. Euastrum bombayense (Gonzalves et Gangla) Brandham var. gokakense var. nov.-an interesting asymmetric desmid from Karnataka state, India/U.D. Bongale and V.S. Kaulapur. 13. New algae to India from Chaibasa (Bihar)/R.N. Das and R. Peters. 14. Genus Myxosarcina in India-Myxosarcina nizamii sp. nov./Pushpa Srivastava. 15. Axial cortication and its taxonomic significance in Ceramium Roth/B. Subramanian.

Symposium II: Algae in fresh water ecosystem: 1. Studies on the rock pools of Syed Bacha Hill, Krishnagiri India. I. Physico-chemical complexes/R. Marimuthu, N. Palaniappan, A. Balasundaram and V. Krishnamurthy. 2. Studies on the rock pools of Syed Bacha Hill, Krishnagiri, India. II. Seasonality of Phytoplankton/R. Marimuthu, N. Palaniappan, A. Balasundaram and V. Krishnamurthy. 3. Algal dynamics of some fresh water ecosystems of Bhubaneshwar/R.C. Mohanty. 4. Periodicity distribution and Basiphyte preference of epiphytic chaetophorales in three fresh water ponds of Lucknow, India/Tasneem Fatma. 5. Desmid morphology in experimental cultures and in fresh water ecosystem/Vidyavati and B. Digamber Rao. 6. Environmental factors influencing copper toxicity in Nitzschia obtusa Wm. Sm./K.P. Gowrinathan and V.N.R. Rao. 7. Assessment of water quality and population in the river Majira, at Sanga Reddy, Andhra Pradesh/B. Rajkumar and V. Venkateswarlu. 8. Water quality monitoring and estuarine pollution of the Adyar river/G. Rengaswami and V.S. Govindan. 9. On some freshwater blue green algae from Satpuda ranges in Jalgaon district (M.S.)/Neelma Mahajan and A.D. Mahajan. 10. Studies on detergent phosphate biodegradation/N. Ahana Lakshmi, V.S. Govindan and R. Pitchai.

11. Effect of Maleic hydrazide on Cosmarium impressulum Elfv./K. Rama Devi. 12. Limnology of Chittora reservoir : phytoplankton production/K.D. Hoom and H.N. Vaishya. 13. Distributional patterns of phytoplankton in two different fresh water lakes of Puri district/A. Ashok Kumar Chatterjee and R.C. Mohanty. 14. Algae in fresh water ecosystems/K.P. Krishnamoorthi and P.R. Chaudhari. 15. Fresh water algae of West Bengal/S.C. Santra. 16. Seasonal succession of algal flora in waste stabilisation ponds/V.S. Govindan. 17. A holistic approach to the study of small pond ecosystems of South India/N. Jeeti Bai. 18. Prospects of cultivated fresh and Brackish water algae/L.V. Venkataraman and E.W. Becker. 19. Some enzymatic studies in the leaves of mimus ops elengi Lin. after infection with parasitic algae (Cephaleuros parasiticus, Karst.)/T.G. Nagaraja. 20. Chemo-stress induced biochemical changes in Chara hispida L./R. Jeychandran, J. Stephen & V.K. George. 21. Observations on certain green algae/G.L. Tiwari and H.M. Shukla.

Symposium III: Marine algae--their productivity and utilization: 1. The theory and practice of phycoculture in China/C.K. Tseng. 2. Phytoplankton productivity of the Adriatic sea in relation to the fishing grounds/Ivona Marasovic. 3. Effect of heavy metals on Closterium moniliferum (Bory) Ehreenb./P.S. Sastry and B.R. Chaudhary. 4. Vertical distribution of marine algae on some South Indian shores/V. Krishnamurthy, A. Balasundram, M. Baluswami and K. Varadarajan. 5. Field cultivation of Gracilaria edulis (Gmelin) Silva. at Mandapam (Gulf of Mannar) south east coast of India/M. Parmasivam and R. Ananthanarayanan. 6. Studies on Padina tetrastromatica Hauck (Dictyotales, Phaeophyta)/R. Rengasamy. 7. Studies on nitrogen assimilation in some marine diatoms/V. Sivasubramanian and V.N.R. Rao. 8. Seasonal variation of Dinoflagellate Biomass. II. The Bay of Bengal and Vellar estuary/G. Ilangovan. 9. Studies on the epiphytic diatoms of Devka coast/G. Ragothaman and M.V. Haranatha Babu. 10. Species composition of the estuarine benthic diatoms from southeast coast of India/R. Rajan, L. Kannan and K. Krishnamurthy. 11. Effect of the heavy metal, copper, on a marine diatom, Nitzschia obtusa Smith var. scalpelliformis Grun/S. Jeyachandran, C. Selvaraj and L. Kannan. 12. Effect of latex of Excoecaria agallocha L. on Marine productivity/K. Kathiresan, Sivachandra Bose and T. Subramonia Thangam. 13. Autecological and eco-physiological studies on marine algae of Visakhapatnam and Mandapam/M. Umamaheswara Rao. 14. Resources, management and possible cultivation of some economic seaweeds in India/K. Subbaramaiah. 15. Marine algal biomass-hydrogen production system as an alternative energy resource/S. Ramachandran. 16. Studies on Hypnea Valentiae (Turn.) Mont. (Gigartinales, Rhodophyta) under laboratory conditions/R. Hemalatha and R. Rengasamy.

Symposium IV. Fossil diatoms and biostratigraphy: 1. Known and unknown fossil diatoms from Karewa deposits, Kashmir, India/D.J. Mohan. 2. Biostratigraphy correlation of algal limestones/A.V.R. Sastry and A. Narasimha Murty.

Symposium V: Algal biofertilizers and terrestrial ecosystems: 1. Green revolution : the second phase/G.S. Venkataraman. 2. Residual effect of blue-green algae on the growth and yield of rice/Z.N.T. Begum, R. Mandal, F. Akhter and N.C. Das. 3. Blue-green algae as biofertilizers - certain view points on the choice of suitable isolates/N. Anand, L. Radha, R.S. Shanthakumar Hopper, G. Revathi and T.D. Subramanian. 4. Certain observations on open air field cultivation of a nitrogen fixing blue-green algae in simple liquid media/U.D. Bongale and R.P.R. Singh. 5. Effect of blue-green algal biofertilizer application on Oryza sativa L. (Rice variety IR 50)/R. Chandrasekaran and Lakshminarasimhan. 6. Prospect of cyanobacterial biofertilizers in crops other than rice/R.S. Gupta and Girish Seth. 7. Cyanobacteria - some aspects related to their role as ameliorating agent of salt-affected soils/B.D. Kaushik. 8. Floristic studies on soil algae--a new concept based on physico-chemical factors/S.G. Bharati. 9. Algal floristic composition of some cultivated soils of Karnataka state, India/S.B. Angadi. 10. Establishment of inoculated blue-green algae in the soils of Vallabh Vidyanagar, Gujarat, India/R. Chinnaswamy and R.J. Patel.

11. Effect of seaweed manures on Vigna radiatus L. (Green gram)/L. Kannan and C. Tamilselvan. 12. Algal flora of paddy fields from Sirsi, Karnataka state/R.P.R. Singh and U.D. Bongale. 13. Effect of Thiram on growth and heterocysts of two blue-green algae/B.C. Rana. 14. Glutamine synthetase - nitrogenase relationship in Cylindrospermum muscicola Kutz. ex Born. et Flah/N. Anand and L. Radha. 15. Role of intracellular nitrogen pool on nitrogenase and ammonia excretion in Gloeocapsa sp./N. Rajalakshmi, A. Sakunthala and G. Nagi Reddy. 16. Enzymes of ammonia assimilation in two heterocystous filamentous blue-green algae (Cyanobacteria) Cylindrospermum muscicola Kuetz. ex Born. et Flah. and Nostoc caliccola Breb. ex Born. et Flah/N. Anand, G. Revathi and L. Radha. 17. Effect of distillary effluent on the growth of the blue-green algae Calsthrix marchica Lemm./S.P. Adhikary. 18. Studies on the nitrogen fixing potential of symbiotic blue-green algae - Anabaena azollae association in Azolla and its utilization for rice crop/S. Kannaiyan. 19. Pesticidal effects on blue-green algae : an appraisal/L.V. Gangawane. 20. Mutagenic studies of a blue-green alga, resistant to Kanamycin/S. Padhi, R.K. Maharana and H. Patnaik. 21. Azolla technology - an appraisal/S.K. Goyal.

"The volume contains papers presented at the International Symposium on Phycology organized as part of Prof. M.O.P. Iyengar Centenary Celebrations. The symposium was sponsored by University of Madras, Indian National Science Academy, Council of Scientific and Industrial Research, Asia Network of Biological Sciences, Committee of Science and Technology for developing countries." (jacket)

[V.N. Rajarao is on the faculty of the Centre of Advanced Study in Botany, University of Madras.]

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