Contents: Preface. 1. Research trends in rhizobial nitrogen fixation/Pran K. Chakrabartty and Anup K. Halder. 2. Ecology of legume root nodule bacteria/K.K. Kapoor and S.S. Dudeja. 3. Taxo-ecological studies of coprophilous fungi--a review/Rajee N. Kumar, Rama Pasricha, Narendra Singh and K.G. Mukerji. 4. Microbial biomass and activity in tropical agroecosystems under different cropping practices/N. Behera and Pramila Prasad. 5. Community structure of soil oribatida of a young rubber plantation and an adjacent wasteland in Tripura (India)/Tanmay Bhattacharya and Prabir Chakraborti. 6. Ecological studies on soil mites (ACARI) in India : a review/A.K. Sanyal. 7. Species composition, distribution and seasonal variation of Collembola in two agroecosystems of Bhubaneswar/B.C. Guru and A.K. Mohanty. 8. Enchytraeid fauna of the shore of Lake Balaton/Klaro Dozsa-Farkas. 9. The distribution of earthworms (Annelida, Oligochaeta) in North America/John W. Reynolds. 10. Development of vermiculture technology in Karnataka state/Radha K. Kale. 11. Phytosociology and earthworm production in the ground floor of casuarina and cocoanut plantations in coastal Orissa/Malaya K. Misra and Manasi Ray. 12. Plant litter decomposition and soil respiration in the natural and cultivated grassland ecosystems at Kangpokpi, Manipur/P. Yadava, N.S. Thoudam and T. Paukhanmang. 13. Ecobiology of marine cyanobacteria/G. Subramanian and N. Thajuddin. 14. Phosphorus in aquatic systems : an overview/B.B. Jana and S.K. Das. 15. Interrelationships of phyto-and zoo-plankton in Indian wetlands/Ashok K. Pandit. 16. Production and seasonality of dominant macrophyte-Eichhornia crassipes and associated epiphytic macro-invertebrates of a freshwater body/M.P. Sinha, Ratna Sinha, M. Phillip and S.K. Bose. 17. Interference and exploitation competition in larval Bufo marinus/Ross A. Alford. 18. Floodplain fisheries of India/Y.S. Yadava. 19. Energetics of the larval anurans : a review of strategies employed/Ashok Kumar Hota. 20. Effect of environmental factors in the pineal gland function of certain tropical animals/N. Saxena, M.P. Sinha and P.N. Mehrotra. 21. Ecological studies of Orissan forests from Eastern Ghats/S. Basu, H.P. Dani and D.P. Pati. 22. Eco-development : a comparative study of two villages of rural Orissa, India/Aditya Kishore Dash and Arttabandhu Mishra. 23. Mangrove ecosystem and its biodiversity in Orissa coast with special reference to Bhitarkanika/C.S. Kar and G.R. Satpathy. 24. Sustainable development in the Himalaya--a nebulous goal/K.G. Saxena and K.S. Rao. 25. Ensheathed cyanobacteria as indicator of polluted waters/Siba Prasad Adhikary. 26. Herbicide toxicity : in vitro effects of some herbicides on chloroplasts isolated from Cyperus rotundus L./T.V. Rao and Tribhuban Panda. 27. Impact of NPK fertilisation on population biology of tropical earthworms in cane sugar field/S.K. Sahu, P.K. Dash and U. Nag. 28. Some aspects of cadmium toxicity on the vitellogenesis in a hillstream teleost Garra mullya (Sykes)/Ehsan A. Khan and M.P. Sinha. 29. Environmental epidemiology of Tirumala and Tirupati pilgrim towns N.V. Nanda Kumar, D.M. Backiyavathy, E. Prabhakar and M. Dhananjaya Naidu. 30. Biological methods of wastewater treatment/P.C. Mishra. 31. Our life style: environment and mutagenesis/R.K. Das. 32. Species composition and seasonality in soil-surface arthroprod populations in two upland agro-ecosystems of Nagaland/M. Vikram Reddy and M. Alemia Ao. 33. Ecology of some fast growing nitrogen fixing trees in India/R.S. Ambasht, Alok K. Srivastava and N.K. Ambasht. 34. Eco-toxicological effects of mercury on freshwater fish/A.K. Panigrahi, A. Sahu and N.B.K. Choudhury. 35. Ecotoxicological studies on aquatic algae : a review/S.C. Santra and S. Dan.

"During the recent years, with the growing concern for the environment and its management, the accumulated scientific concepts on environment have witnessed the emergence of a multidisciplinary subject i.e. Environental science. Because of the interdisciplinary nature of the subject, sometimes, it becomes difficult for a student/teacher/scientist to keep track on the ongoing research in the field. The aim of the present book is to provide its readers an acquaintance with the recent research trends in the area of ecology and environmental science. For this purpose 34 papers and reviews contributed by the experts from different educational and scientific institutions in India and abroad have been serially arranged from soil ecology and vermitechnology through ecology and ecophysiology forest and wildlife ecology to pollution ecology and toxicology. The book will be useful to the post graduate students and research workers in ecology and environmental sciences and scientists looking after the management of environment." (jacket) No. 9840

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