<P> Following the earthquake some analysts were predicting that the total recovery costs could reach ¥ 10 trillion ($122 billion); however, by 12 April 2011 the Japanese government estimated that the cost of just the direct material damage could exceed ¥ 25 trillion ($300 billion). Japan's real gross domestic product contracted 3.7% for the quarter of January to March 2011 . </P> <P> The northern Tōhoku region, which was most affected, accounts for about 8% of the country's gross domestic product, with factories that manufacture products such as cars and beer, as well as energy infrastructure . It includes northern Miyagi prefecture, where Sendai is, about 300 km (190 mi) northeast of Tokyo . The Miyagi area includes manufacturing and industrial zones with chemical and electronics plants . It is estimated that Miyagi accounts for 1.7% of Japan's gross domestic product . </P> <P> An estimated 23,600 hectares of farmland, mostly rice paddies, were damaged by the tsunami . Salt left in the soil by the seawater could adversely affect rice crops for years . The affected area accounts for as much as 3%--4% of Japan's rice production . An estimated 4.37 million chickens in northeast Japan died following the earthquake as a result of disruptions in the supply of feed from overseas suppliers . </P> <P> An estimated 90% of the 29,000 fishing boats in Miyagi, Iwate, and Fukushima prefectures were rendered unusable by the tsunami . Miyagi Prefecture's fishing industry was almost completely destroyed . Twelve thousand of 13,000 registered fishing boats in the prefecture were destroyed or damaged . At least 440 fishermen were killed or missing . The damage to the prefecture's fishing industry was estimated at ¥ 400 billion (US $5 billion). The total damage to Japan's fishing industry, in seven affected prefectures, was estimated at ¥ 1.26 trillion (US $11.29 billion). </P>

What are the effects of tsunami in japan 2011