19 research outputs found
On Measures of Activation of Inland-Water Fisheries : the case of Lake Koyama Fisheries, Tottori Pref.
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Protection of Environment and Inland Water Fishery on Lake Koyama : I. Experimental raising of Crucian Carps (Kawachi Buna)
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The Study on the Real Conditions and Problems of Inland Water Fisheries : as a Special Example of the Lake Koyama Fisheries
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Protection of Environment and Inland Water Fishery on Lake Koyama : II. Control of Water Quality in Crucian Carps (Kawachi Buna) Raising
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