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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 .
Rice polyculture is the cultivation of rice and another crop simultaneously on the same land. The practice exploits the mutual benefit between rice and organisms such as fish and ducks: the rice supports pests which serve as food for the fish and ducks, while the animals' excrement serves as fertilizer for the rice.
By 1989, a semi-intensive (1 kg fish/m −3) seabream and grey mullet pond system by the Gulf of Aqaba on the Red Sea supported dense diatom populations, excellent for feeding oysters. [ 15 ] [ 16 ] Hundreds of kilos of fish and oysters cultured here were sold.
Babcock; Babylon; Bader; Baileyville; Baker; Bakerville, Jefferson County; Bakerville, Logan County; Balcom; Bald Mound; Ballou; Barclay; Bargerville; Barnes; Barnhill
Rice Township is one of 23 townships in Jo Daviess County, Illinois, United States. As of the 2010 census, its population was 338 and it contained 268 housing units. [ 2 ] It was formed as Washington Township from East Galena Township on February 22, 1859; its name changed to Rice Township on June 16, 1859.
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This is a list of census-designated places in the U.S. state of Illinois, by county. Census-designated places (CDPs) are unincorporated communities lacking elected municipal officers and boundaries with legal status. [1] The term "census designated place" has been used as an official classification by the U.S. Census Bureau since 1980. [2]
The ricefish were formerly classified within the order Cyprinodontiformes but in the 1980s workers showed that they were a monophyletic grouping, mainly based on the characters on the bones of the gill arches and the hyoid apparatus, within the Beloniformes as the family Adrianichthyidae, this family making up one of the three suborders of the Beloniformes, the Adrianichthyoidei.