include tags clams


Knowledge Title: Clams Other Title: Meretrix meretrix Knowledge Content:  The Mollusca, Bivalvia, Eulamellisia, Veneridae clamgens. Seafood economy shellfish. Clams in China clams, Shandong Laizhou Bay, the Yangtze River north of the Jiangsu coast, Guangxi anti-city and other coastal areas rich in resources, forming the most advantageous population.  The shape of the shell is slightly triangular, the abdominal edge is round, the shell is strong and thick, the two shells are equal in size, the two sides are not equal, the shell length is slightly larger than the shell height, the top of the shell is forward. The ligaments are short and dark brown. The crust is smooth and has a tawny or reddish-brown shell with a “W” or “V” pattern of brown pattern. The shell is white with a wide hinge. The right shell has 3 main teeth and 2 front teeth.……

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Knowledge Title: Toad Other Title: clam Knowledge Content:  The generic name for the Veneridae clams of the Bivalvia real-petal clams is a general name. Two species of Filipino clams (R. philippinarum ( pictured) and r. vesion clams have been found off the coast of China. Its ecological habits are similar, with only slight differences in external morphological features and distribution areas. Distribution and characteristics Filipino clams, also known as toads, clams, sand mules, etc., are wide-temperature, wide-salt seafood economic shellfish. China's coastal north from the Liaodong Peninsula Yalu River estuary, south to Leizhou Peninsula have distribution, Liaoning, Shandong more. The natural yield is very large and is an important species of aquatic fishing and increased aquaculture. It is also located in the Coasts of the Soviet Union, Japan, Korea, the Philippines, Pakistan, India, Sri Lanka and Indonesia. The introduction was later distributed along the coasts of Hawaii and North America.……

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Knowledge Title: Aquaculture Other Title: aquaculture Knowledge Content:  Production activities of human-controlled reproduction, cultivation and harvesting of aquatic flora and fauna. Generally includes the whole process of developing aquatic products from seedlings under the management of artificial breeding. In a broad sense, the proliferation of aquatic resources may also be included. Aquaculture has a range of intensive, intensive and high-density intensive care. Rough breeding is in the medium and small natural waters put seedlings, completely rely on natural bait to develop aquatic products, such as lake reservoir fish and shallow sea mussels. Intensive farming is the use of baiting, fertilization methods in smaller water to develop aquatic products, such as pond fish, cage fish and fence farming. High-density intensive cultivation uses water, temperature control, oxygenation and feeding of high-quality bait and other methods, in small water bodies for high-density culture, so as to obtain high yield, such as high-density water fish, shrimp and so on.……

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