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기순도 ( Gi Soon-do ),이광배 ( Lee Kwang-bae ),모수원 ( Mo Soo-won ),이철 ( Lee Cheol ) 한국도서(섬)학회 2022 韓國島嶼硏究 Vol.34 No.1
Seafood is an umbrella term comprising a vast array of products with diverse characteristics but shares one common feature of aquatic origin. This includes fish and fishery products both from wild capture and from aquaculture. The existing and potential contribution of capture fisheries and aquaculture (including mariculture) to a country’s food security and nutrition can be significant. Fish represent a primary source of protein and essential nutrients. More specifically, fish as an animal source food (ASF) is particularly rich in nutrients and contains a substantial amount of protein, omega-3 fatty acids, minerals, micro-nutrients, fat soluble vitamins and water-soluble vitamins such as vitamin B complexes. This study inspects the export performance of Korea’s fishery sector using a statistical tool of constant market share. The range of the study is from 2015 to 2020. The focus is on just two three-digit HS commodities (HS0303 and HS0304) and for seven countries (China, U.S., Japan, Italy, France, Thailand, and Vietnam). Korea has exhibited a critical fish trade deficit ever since 1999, indicating the absence of competitive strength in the sector. However, relatively less attention has been paid in exploring the export competitiveness in terms of CMS of the Korean fisheries sector. The constant market share analysis indicates that for China’s exports of HS0303 the global effect is stronger than the competitiveness effect which is negative, while for Japan’s exports of HS0303 the positive competitiveness effect is much stronger than the other effects. The competitiveness has the strongest negative impact on the HS0303 exports of Thailand, the U.S., and Italy. The empirical results for HS0304 exports show that the competitiveness effect is a principal constituent but is a negative indicator for Japan and Spain, while the global effect is an important factor and has a positive sign for France. We also find that both the competitiveness effect and the global effect affect the HS0304 exports of China, but the latter is negative.
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황하선 ( Ha Sun Hwang ),공동수 ( Dong Soo Kong ),신동석 ( Dong Suk Shin ),전지홍 ( Ji Hong Jeon ) 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
Field experimental study was performed to examine characteristics of nutrient export from paddy rice fields with irrigation practices. Experimental fields with surface-water and ground-water irrigation were monitored and analyzed during rice culture period. The water balance showed that outflow generally balanced the inflow showing that about half (58∼68%) of total outflow was lost by surface drainage. Water and nutrient export are more in surface-water irrigation paddy than in ground-water irrigation paddy. The reasons might be more irrigation water available and easy to use in surface-water irrigation. If irrigation water reduced, it could result in reduction of nutrient export in paddy rice fields, which can save water and protect water quality. However, deviation from conventional standard practices might affect the rice yield and further investigations are necessary.
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