벼-담수어 유기농 복합생태 논습지의 생태계서비스 경제적 가치평가
Economic Value Evaluation of Ecosystem Services in Organic Rice-Fish Mixed Farming System in Paddy Wetland
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참고문헌
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초록
본 연구는 복합생태농업을 수행하고 있는 유기농 논에서 제공하는 쌀 생산 및 다양한 생태계서비스를 경제적으로 평가하고자 하였다. 또한 복합생태농업을 위한 유기논의 구조에 따른 경제성을 평가하여 쌀 생산 농가의 소득증대와 생태계서비스 증진을 위한 안정적인 구조를 찾고자 수행하였다. 복합생태계 농업 유형에 따른 생태계서비스 기능별 기대효과 분석결과, 일반 관행논은 양서파충류, 수서곤충, 조류서식처, 체험/생태교육, 식생다양성 등 생물다양성이 지속적으로 낮아지는영향을 미칠 것으로 평가되었다. 반면 유기 논습지 및 복합생태 논습지의 생물다양성은 높아지는 것으로 평가되었다. 경제적 가치를 평가한 결과, 일반 관행 논습지와 유기 논습지에 비해 어류 생산을 위한 둠벙의 면적이 증가할수록 쌀 생산량은줄어드나 어류의 생산량은 증가하여 총 소득은 증가하는 것으로 분석되었다. 더불어 향후 생태계서비스 기능 가치를 평가한다면 더욱 증가 할 것으로 판단되어진다. 이와 같은 연구결과를 활용하여 쌀 산업의 공급과잉 문제해결, 안전적인 농가소득보전, 지속 가능한 농업, 생태계서비스 기능 향상을 위한 기초자료로 활용되길 기대한다.
Abstract
This study aims to economically evaluate rice production and various ecological services provided by organic rice paddy carrying out rice-fish mixed farming. It was also conducted to find a stable structure for increasing the income of rice-producing farmers and promoting ecological services by evaluating the economic feasibility of organic rice paddy for rice-fish mixed farming. As a result of the analysis of expected effects by ecological service functions according to the types of agriculture in the rice-fish mixed farming, general conventional paddy fields were evaluated to have an effect of continuously decreasing biodiversity such as amphibian reptiles, aquatic insects, bird habitats, experience and ecological education, and vegetation diversity, while the biodiversity of organic and rice-fish mixed paddy fields was assessed to increase. As a result of evaluating the economic value, as the area for fish production increases compared to the common practice and organic paddy fields, rice production decreases, but fish production increases and total income was analyzed to increase. In addition, if the value of ecosystem service functions is assessed in the future, it will increase further. It is hoped that these findings will be used as basic data for solving oversupply problems in the rice industry, preserving safe farm income, and improving sustainable farming and ecosystem service functions.
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