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Chinese Rice Fish have been utilized in China and Asia for hundreds of years for rice farming. [6] This process allows the fish to provide protein to the rice, enhancing the food. It is proven that in the presence of rice fish, rice fields grow better, and the rice yield is increased by approximately 4–15%. [7]
A rice-fish system is a rice polyculture, a practice that integrates rice agriculture with aquaculture, most commonly with freshwater fish. It is based on a mutually beneficial relationship between rice and fish in the same agroecosystem. The system was recognized by the FAO in 2002 as one of the first Globally Important Agricultural Heritage ...
Due to the shortage of available farm land and an abundance of labor, it might make more sense to import land-extensive crops (such as wheat and rice) and to save China's scarce cropland for high-value export products, such as fruits, nuts, or vegetables.
Rice terraces in Yunnan, China. Rice production in China is the amount of rice planted, grown, and harvested for consumption in the mainland of China. It is an important part of the national economy, [3] where it is the world's largest producer of rice, making up 30% of global rice production. [3]
Aquaculture is the farming of fish and other aquatic life in enclosures, such as ponds, lakes and tanks, or cages in rivers and coastal waters. China's 2005 reported harvest was 32.4 million tonnes, more than 10 times that of the second-ranked nation, India, which reported 2.8 million tonnes. [2]
In 2010, China accounted for 60% of global aquaculture production (by volume) and had ~14 million people (26% of the world total) engaged as fishers and fish farmers (FAO). In 2009, China produced approximately 21 million metric tons (MTs) of freshwater fish or 48% of global output, and 5.3 million MTs of crustaceans or 49% of global output. [10]
Dish of rice with swamp eel in China. The fish is an important protein source for people in Thailand. [18] It is cultured throughout Vietnam. [20] In Indonesia, Cambodia, China, Laos, Myanmar, Thailand, Vietnam, and other Asian countries, swamp eels are farmed in polyculture rice fields and sold as a food product with the rice crop. [citation ...
The aquaculture or farming of piscivorous fish, like salmon, does not help the problem because they need to eat products from other fish, such as fish meal and fish oil. Studies have shown that salmon farming has major negative impacts on wild salmon, as well as the forage fish that need to be caught to feed them.