A population of Atta cephalotes was surveyed in 1989 and 1991 at the La Selva Biological Station in Costa Rica. Nests were mapped along trails that passed through old growth forest. Estimates of basic demographic parameters were examined in relationship to general soil categories, suggesting that colony mortality and natality is related to soil type. Results indicated that the population is inc...

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[*] Dr. F. Bonino, Dr. A. Damin, Prof. Dr. S. Bordiga, Prof. Dr. A. Zecchina Department of IFM Chemistry and NIS Centre of Excellence Universit& di Torino Via P. Giuria 7, 10125 Torino (Italy) Fax: (+39)011-670-7855 E-mail: [email protected] and INSTM UdR di Torino (Italy) Prof. Dr. M. Selva, Prof. Dr. P. Tundo Department of Environmental Science Universit& Ca’Foscari Dorsoduro 2137, 30...

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SUGIISHI, Tsuyuka IMS Fellow MORITA, Yuki Post-Doctoral Fellow KUMAR, Selva Post-Doctoral Fellow PANDIT, Palash Post-Doctoral Fellow MAITY, Prasenjit Post-Doctoral Fellow DHITAL, Raghu Nath Post-Doctoral Fellow KAMONSATIKUL, Choavarit Visiting Scientist JINASAN, Atchaleeya Visiting Scientist TSAI, I-Chang Visiting Scientist MANNA, Sudipta Kumar Visiting Scientist PONGPIPATT, Paweena Visiting Sc...