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연구논문 : 베트남 Kon Tum 지역에서의 산림훼손지역 예측을 통한 REDD 적지 분석
( Riwako Tanaka ),이동근 ( Dong Kun Lee ),정태용 ( Tae Yong Jung ),류지은 ( Ji Eun Ryu ) 한국환경영향평가학회 2013 환경영향평가 Vol.22 No.6
UNFCCC(United Nations Framework Convention on Climate Change) agreed with Reducing emissions from deforestation and forest degradation(REDD). It is necessary to develop the method of REDD suitability assessment in national scale. Existing researches suggested projection methods of deforestation area by many deforestation factors, but the causes of deforestation were different by regions. Therefore, in this study, REDD suitability in Kon Tum province in Vietnam was analyzed by several significant deforestation factors. REDD suitability value was computed using the Fuzzy set. As a result, all deforestation factors related to deforestation area and the REDD suitability value was the highest in Sa Thay district, Dak Glei district, Kon Plong district and Dak Ha district. These provinces have high biodiversity, on the other hand deforestation problem has been occurred.
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바이오매스량과 식생구조가 토양 탄소함유량에 미치는 영향 분석 -서서울호수공원과 양재 시민의 숲을 대상으로-
( Tanaka Riwako ),김윤정 ( Yoon Jung Kim ),류희경 ( Hee Kyung Ryoo ),이동근 ( Dong Kun Lee ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2014 한국환경복원기술학회지 Vol.17 No.1
탄소축적량 증진을 위한 도시공원 설계 및 계획에 적합한 식재구조와 토양 관리방법에 대한 분석이 필요하다. 본 연구에서는 탄소저감에 기여하는 도시공원 설계와 관리를 위하여, 서서울호수공원과 양재시민의 숲을 대상으로 바이오매스량과 공원조성 시기 및 식재구조가 다른 조사구에서의 토양탄소함유량을 지상부 지하부 탄소저장량의 측정을 통해 분석하였다. 대상 도시공원으로 조성시기가 다른 서서울호수공원(2009년)과 양재 시민의 숲(1986년)을 선정하였다. 식생과 토양 특성에 따른 토양 탄소함유량의 차이를 분석하기 위하여, 바이오매스량과 토양의 물리적?화학적 특성 측정을 통해 지상부?0지하부 탄소저장량을 분석하였다. 바이오매스량 측정에는 상대생장식을 적용하였으며, 토양에 관해서는 토양 탄소함유량(TOC)과 pH, 양이온치환용량(CEC), 전질소량(TN), 토양 총 균수와 같은 화학적 특성을 측정하였다. 이 결과, 바이오매스량은 양재 시민의 숲이 서서울호수공원보다 높아, 조성된 지 오래된 공원의 바이오매스량이 높은 것으로 나타났다. 한편, 토양 탄소함유량은 양재시민의 숲이 서서울호수공원 보다 낮았으며, 이는 양재시민의 숲에서의 대기오염과 산성비 노출에 의한 토양의 산성화 진행에 따른 영향 때문인 것으로 분석되었다. 또한, 토양 탄소함유량은 단층식재지가 다층식재지 보다 높은 것으로 나타났다. 장기적 시점에서 볼 때, 토양 개선은 식생 생장을 도모한다. 따라서 도시공원의 토양 특성 개선을 위하여, 석회성 비료 시비에 의한 pH 조절과 답압 제어 및 낙엽층 방치에 의한 토양 양분 증진을 통한 공원관리가 필요하다. Identification of methods to optimize the growth of a plant community, including the capacity of the soil to further sequester carbon, is important in urban design and planning. In this study, to construct and manage an urban park to mitigate carbon emissions, soil organic carbon of varying biomass, different park construction times, and a range of vegetation types were analyzed by measuring aboveground and belowground carbon in Seoseoul Lake Park and Yangjae Citizen`s Forest. The urban parks were constructed during different periods; Seoseoul Lake Park was constructed in 2009, whereas Yangjae Citizen`s Forest was constructed in 1986. To identify the differences in soil organic carbon in various plant communities and soil types, above and belowground carbon were measured based on biomass, as well as the physical and chemical features of the soil. Allometric equations were used to measure biomass. Soil total organic carbon (TOC) and chemical properties such as pH, cation exchange capacity (CEC), total nitrogen (TN), and soil microbes were analyzed. The analysis results show that the biomass of the Yangjae Citizen`s Forest was higher than that of the Seoseoul Lake Park, indicating that older park has higher biomass. On the other hand, TOC was lower in the Yangjae Citizen`s Forest than in the Seoseoul Lake Park; air pollution and acid rain probably changed the acidity of the soil in the Yangjae Citizen`s Forest. Furthermore, TOC was higher in mono-layered plantation area compared to that in multi-layered plantation area. Improving the soil texture would, in the long term, result in better vegetation growth. To improve the soil texture of an urban park, park management, including pH control by using lime fertilization, soil compaction control, and leaving litter for soil nutrition is necessary.
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자연자산의 가치를 반영한 생태계보전협력금 제도 개선 방안 : 산림지역을 중심으로
박진한 ( Jin Han Park ),이동근 ( Dong Kun Lee ),Tanaka Riwako,김정택 ( Jung Taek Kim ),전성우 ( Seong Woo Jeon ),이우균 ( Woo Kyun Lee ),김준순 ( Joon Soon Kim ),정태용 ( Tae Young Jung ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2014 한국환경복원기술학회지 Vol.17 No.1
In Korea, a cooperation charge on conservation of ecosystem is imposed to prevent indiscriminate development. The total amount of this charge is determined by multiplying the size of the destroyed area by a value per unit area and the area index within 5 billion won. Since 2001, the charge per unit area has been determined to be 250 won/m2. In this study, we estimated the unit value of ecosystem services per year using benefit transfer method, with a focus on forest resources. According to our results, forest resources have a value of about 3,500 won/m2 per year. When the non-use value is subtracted, that figure becomes approximately 1,300 won/m2. If this value incorporates the unit value of the cooperation charge on conservation of ecosystem, it will increase. To comply with the original intent of the cooperation charge on conservation of ecosystem, the fund must be used to improve ecosystem services, including the restoration of a destroyed area or the purchase of new land.
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Finding key vulnerable areas by a climate change vulnerability assessment
Kim, Ho Gul,Lee, Dong Kun,Jung, Huicheul,Kil, Sung-Ho,Park, Jin Han,Park, Chan,Tanaka, Riwako,Seo, Changwan,Kim, Ho,Kong, Wooseok,Oh, Kyusik,Choi, Jinyong,Oh, Young-Ju,Hwang, Gangseok,Song, Chang-Keun Springer Netherlands 2016 Natural hazards Vol.81 No.3
<P>Extreme climate events such as typhoons, heat waves, and floods have increased in frequency with climate change. Many municipalities within the Republic of Korea (ROK) have experienced damage from these events, necessitating countermeasures. Vulnerability assessment has been suggested in the implementation of a national plan for reducing damage resulting from climate change. Thus, in this study, we assess the vulnerability of the ROK and identify key vulnerable municipalities in support of the national adaptation plan. We create a framework for assessing the vulnerability of all 232 municipalities of the ROK with respect to 32 items in 7 fields. The framework regards decision makers' comprehension and availability of data as important factors. We assess the vulnerability index of each municipality by using variables of climate exposure, sensitivity, and adaptation capacity. The weights of variables are determined by the Delphi method. We used the representative concentration pathways 8.5 climate scenario to reflect future climate exposure for the vulnerability assessment. From the analysis, vulnerability maps are prepared for the 32 items of 7 fields, and key vulnerable municipalities are identified by aggregating the maps. The distribution of vulnerable municipalities changes with the future climate conditions. These maps provide a scientific and objective basis for the ROK government to establish adaptation plans and allocate resources. The ROK government can utilize the results to identify the characteristics of highly vulnerable areas, and municipalities can use the results as a basis for requesting support from the national government.</P>
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