1000 resultados para Portage Lake Volcanics
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The Niagara Advance and Weekly Fruitman, Niagara-on-the-Lake, Ontario, April 8, 1937.
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UANL
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Publié par la Revue de droit d'Ottawa.
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In Vembanad Lake and its confluent rivers (Kerala, India), the catches of Macrobrachium rosenbergii (de Man) were reported to have dwindled to a mere 39 t in the 1980s from average landings of 300 t during the 1960s. This decline is due to the impact of a number of human interventions affecting the ecosystem and, hence, the stocks of M. rosenbergii. Monitoring of landings in 1994-1995 and 1995-1996 indicates an improvement in catches. This paper discusses the reasons for the decline and revival in stocks and suggestions for their replenishment.
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Division of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology
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School of Industrial Fisheries, Cochin University of Science and Technology
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Department of Industrial Fisheries, Cochin University of Science and Technology