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A laboratory study with zebra mbuna and ocellate river stingray has demonstrated that these fish can add and subtract 'one' from 2, 3, or 4. The fish had to learn that if presented with, say, 3 yellow symbols, then in a subsequent choice test between 2 and 4 symbols they had to choose 2 to get a food reward (thus, yellow meant "choose one less ...
A member of Sigma Xi, USA, Jihngran was a fellow of the Zoological Society of India, the Indian National Science Academy [2] and the National Academy of Sciences, India. [7] He was a recipient of the Rafi Ahmed Kidwai Memorial Prize in 1973 and the civilian honour of Padma Shri in 1976. [2] Vishwa Gopal Jhingran died on 15 January 1991 at the ...
Colecția de Povestiri Științifico-Fantastice (Romanian pronunciation: [koˈlekt͡si.a de povesˈtirʲ ʃti.inˈt͡sifiko fanˈtastit͡ʃe], "The Science Fiction Stories Collection", commonly CPSF) is a Romanian science fiction supplement, founded by writer Adrian Rogoz and published by the popular science weekly Ştiinţă şi Tehnică.
An estimation of value of marine fish landings in India, during 2011–2017 indicated an increase of fish landings at landing centre level from ₹24,369 crores in 2011 to ₹52,431 crores in 2017, with an annual increase of 14.5%, while at retail centre level, increased from ₹38,147 crores to ₹78,404 crores with an annual increase of 15.08%.
India's capacity to generate electrical power is 300 gigawatts, of which 42 gigawatts is renewable. [339] The country's usage of coal is a major cause of greenhouse gas emissions by India but its renewable energy is competing strongly. [340] India emits about 7% of global greenhouse gas emissions.
People of India. Maharashtra. Anthropological Survey of India. Popular Prakashan Pvt. Ltd. Mumbai. Part 1 Vol. XXX. Pp 785. Heda N. (2007):Some Studies on Ecology and Diversity of Fresh Water Fishes in the Two Rivers of Vidarbha Region of Maharashtra (India). A Thesis submitted to Sant Gadgebaba Amravati University, Maharashtra (India).
Fisheries-induced evolution differs from the Darwinian evolution model by virtue of the direct human factor. [2] For FIE, fishing enforces a greater selection pressure for traits, often through sheer effort and catch numbers, which can disparage natural selection pressures such as predator-prey interactions and environmental influences.
In 1955, he obtained an MS degree in Fisheries management from Auburn University in Alabama, USA for his thesis paper on the effect of pituitary injection on pond fish reproduction. [4] He then moved back to India and received PhD from Calcutta University in 1961. [5] The subject of his research was the effect of pituitary injection on fish ...