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Organic aquaculture has become more important as consumers have become more environmentally aware and concerned about sustainability and harmful impacts of aquaculture.〔 Aquaculture has the highest rate of expansion〔 and Certified organic aquaculture products have increased since the mid-1990s.〔 It has become more mainstream, especially in Germany, the United Kingdom and Switzerland,〔 but many consumers can be confused or sceptical about organically labelled product due to conflicting or misleading standards around the world.〔 The aquaculture industries in general are still figuring out how to be sustainable, what best practices are and what ecological considerations is can or should be implemented. Current standards are often quite strict and some people argue they are unattainable (and therefore should be relaxed). Organic regulations designed around soil-based systems don't transfer well into aquaculture 〔 and tend to conflict with large-scale, intensive (economically viable) practices/goals. There is a definite consumer demand for organic seafood, and organic aquaculture may become a significant management option. Currently integrated aquaculture systems may form the base of approved organic farming practice. ==Production and Marketing== Organic aquaculture was responsible for an estimated US$46.1 billion internationally (2007). There were 0.4 million hectares of certified organic aquaculture in 2008 compared to 32.2 million hectares dedicated to Organic farming. The 2007 production was still only 0.1% of total aquaculture production 〔 The market for organic aquaculture shows strong growth in Europe, especially France, Germany and the UK - for example, the market in France grew 220% from 2007 to 2008.〔 There is a preference for organic food, where available.〔 Organic seafood is now sold in discount supermarket chains throughout the EU.〔 The top five producing countries are UK, Ireland, Hungary, Greece and France.〔 123 of the 225 global certified organic aquaculture farms operate in Europe and were responsible for 50,000 tonnes in 2008 (nearly half global production).〔 Organic seafood products are a niche market and users currently expect to pay premiums of 30-40%.〔 Organic salmon is the top species and retails at 50%.〔 Market demand is drving Danish rainbow trout farmers to switch to organic farming.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Organic aquaculture」の詳細全文を読む スポンサード リンク
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