Prakash, H. S. and Sreerama Reddy, G. (1979) Seasonality and population fluctuations in the drosophila of Western Ghats. Proceedings: Animal Sciences, 88 (3). pp. 193-204. ISSN 02534118
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Population fluctuations of various species of Drosophila in the 5 localities of Bababudangiri and Kemmangundi Hill ranges (Western Ghats) were analysed with reference to the seasons of the year. The radical changes in the environmental factors caused by the alterations of seasons were found to influence greatly the size of Drosophila populations. The quantitative differences in the monthly collections of Drosophila species such as D. giriensis, D. takahashii, D. mysorensis, D. nasuta and D. immigrans were found to be closely related to the climatic variations. The differential magnitude of the population peaks and their asynchronous formation by different species as observed in the present study were found to be a reflection of differential responses of these species to the ambient and changing ecological factors. The cyclical changes in the size of Drosophila populations under study appears to be regulated by the seasonal rainfall and the related changes in the environment (extrinsic factors) coupled with genetic and physiological factors (intrinsic factors) generated within the populations. © 1979, Indian Academy of Sciences. All rights reserved.
| Item Type: | Article |
|---|---|
| Subjects: | B Life Science > Zoology |
| Divisions: | Department of > Zoology |
| Depositing User: | Dhruva Kumar |
| Date Deposited: | 04 May 2021 12:48 |
| Last Modified: | 04 May 2021 12:48 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/13922 |
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