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표희동(Hee-Dong PYO) 부경대학교 인문사회과학연구소 2006 인문사회과학연구 Vol.7 No.-
연안은 각종 생산 활동과 생물다양성과 같은 전통적 중요성뿐만 아니라 생태학적ㆍ경제학적ㆍ사회적 중요성을 가지고 있다. 이 논문은 지속가능한 연안관리를 위한 생태경제학적 지속가능성에 대한 체계를 정립하고, 연안에 대한 통합 환경관리의 적용을 위해 문제평가, 정책우선순위, 정책형성과 적합한 측정에 의한 정책시행, 이해관계자의 참여를 고려한 적응적 절차, 요인-압박-상태-영향-대응(Driving forces-Pressure-State-Impact-Response: DPSIR)체계에 의한 연안통합 환경관리평가 및 지속가능한 연안관리를 위한 측정방법과 수단을 검토한다. 또한, 생태경제학적 관점에서의 연안관리를 위한 고려사항과 지속가능한 연안 거버넌스를 위한 지침으로서의 리스본원칙-책임성/규모조화/예방적/적응적 관리/전부원가배분/참여원칙을 소개하고, 리스본원칙에 따라 평가된 연안에 대한 문제점의 직접적 효과를 해양생태계시스템에 따라 체계화한다. 하지만 이와 같은 생태경제학적 접근에 의한 지속가능한 연안관리는 현실적으로 많은 어려움이 있다. 체계적 다기준모델을 이용한 지역 연안관리에 대한 지속가능성평가방법의 도입, 연안경제의 투입-산출모델(input-output model)을 해양생태계정보(어획량, 서식지파괴 및 생태계상호작용)와 통합함으로써 생태학적-경제학적 상호작용의 직간접적 효과를 파악하는 경제학적/생태학적 통합모델의 개발이 필요하다. In addition to traditional importance of the coastal zones such as sources of primary and secondary production, and biodiversity, their interrelated ecological, economic, and social importance is better appreciated. This paper summarizes the concepts of ecological economic sustainability for coastal management, and the application of integrated environmental management as an analytical framework and general methodology to support coastal management. Integrated management includes adaptive process, which has to consider interactively problem assessment, policy priorities, the formulation of policies and their implementation in adequate measures, and stakeholder involvement, adopting the driving forces-pressure-state-impact-response (DPSIR) framework. The "lisbon principles"(responsibility, scale-matching, precaution, adaptive management, full cost allocation, and participation) are introduced as a core guidelines for sustainable ocean governance. In order to overcome various problems on implementing sustainable coastal management in terms of ecological economic approach, however, integrated ecological-economic models as multi-criteria model and input-output model of a coastal economy with a model of a marine food web should be employed.
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표희동(Hee Dong Pyo) 한국수산경영학회 1998 수산경영론집 Vol.29 No.2
An economic appraisal of a proposed marine ranching project is analysed using capital budgeting model such as net present value(NPV) and internal rate of return(IRR) as well as sensitivity analysis and goal seeking model. Of the factors for economic appraisal, direct benefits are to be determined by estimated harvest, prices and costs incurred by catching fishes, and indirect benefits include the additional economic effect of recreational fishing. And judging the worth of these project options depends upon the choice of discount rate of which 8.5% is recommended here. On the basis of estimated production, prices and coats the project is expected to yield NPV=615 million won and IRR=8.8%, which is quite accepted for an economic feasibility, under the first scenario, and NPV= -127 million won and IRR=7.93%, which is rejected, under the second scenario. Sensitivity analysis has been performed by calculating the switching value and sensitivity indicator in respect of the main project parameters. The results suggest that the project NPV and IRR are especially sensitive to fishes(rock fish and other rock fish) prices and fixed costs. Finally goal seeking analysis is carried out in order to reach a desired level of performance like NPV=0 in respect of the amount of hatchery-reared juverniles, the prices and the discount rate.
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표희동 ( Hee Dong Pyo ) 한국수산경영학회 2002 수산경영론집 Vol.33 No.2
As a contribution to developing fishery stock assessment, optimum sustainable yield and its international standards such as MSY, MEY, and dynamic MEY for six recommended fisheries are developed using bio-economic models. For selecting the appropriate model, five models - Schaefer, Schnute, Walters and Hilborn, Fox, and CY&P models are tested in effort and catch data of six species. Surprisingly all the models except the CY&P model failed to satisfy statistical standards such as goodness-of-fitness and reliability. Generally, the CY&P model holds good fitness and statistically significant level for all of six fisheries. However, the CY&P model for squid, where the intrinsic growth rate is high, could not explain MSY, MEY, and dynamic MEY appropriately. This study makes a contribution to develop the modified model for the intrinsic growth rate of 1. The reformulated model represents the results reasonably even though the estimated equation has not good fitness. Although most of the CY&P models appear to have good fits and validated results for some cases, these models also seem to be quite sensitive to parameters which means a more stable model should be developed and data should carefully be handled. In particular biological and technical interactions such as multispecies, predator prey relationship, age structure and mortality should be taken into account. In addition, economic factors and fishing efforts such as price, cost, technical change and a reasonable function of fishing input should simultaneously be considered.
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표희동(Hee-Dong PYO),김종천(Jong-Chun KIM) 한국수산해양교육학회 2010 水産海洋敎育硏究 Vol.22 No.4
The paper aims to evaluate the quality of fisheries census statistic and to provide some desirable directions and improvements for the future fisheries census, conducted by the Government. For the quality diagnosis of fisheries census statistic, specific processes of fisheries census and statistical qualities of each dimension are surveyed and evaluated by a Government's practician, two external examiners and a research group. Results show that census design, data analysis and quality control are evaluated relatively low in specific processes, and accessibility and comparability are evaluated relatively lower than relevance, accuracy, timeliness and consistency in statistical qualities. For minimizing the sampling errors, the probability proportion method should be employed in sampling methods from currently simple sampling method. In addition, fisheries census statistic is desirable to include and compare with those of different countries for consumer oriented data system.
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이중경계 양자택일형의 조건부 가치측정법을 이용한 영산강유역 갯벌의 보존가치추정
표희동(Hee Dong Pyo),유승훈(Seung Hoon Yoo),곽승준(Seung Jun Kwak) 한국지역학회 2001 지역연구 Vol.17 No.1
Korean coastal wetlands are identified as one of the most important wetlands in the world. About 30% of Korean wetlands, however, have been converted into landfill and reclamation since 1980. Even remaining ones are under great development pressure for agricultural, industrial, and other land uses in Korea. A main reason is because non-use values for coastal wetlands are often neglected in the benefit-cost analysis. The paper is to estimate the conservation value of the coastal wetlands around the Youngsan River, an area of dispute between development and conservation of coastal wetlands, using the contingent valuation method. The Hanemann`s conventional double-bounded dichotomous choice model and the Kristrom`s spike model are compared to deal with no responses of 42.1% in our sample. As a result, the information at zero drastically decreased the standard error of the mean and made the confidence interval derived by Monte Carlo simulation technique fairly tight in this application, with the spike model rather than conventional double-bounded dichotomous choice model. Further analysis involving an extension of the original spike model using only single-bounded data to modelling double-bounded data with zero observations is also made. Overall, respondents answer that they would be willing to pay 3,904 Korean won per month per household for conserving the wetlands under study. Provided that our sample is broadly representative of the Seoul`s population, an estimate of the annual aggregated conservation value of the coastal wetlands for all Seoul households is approximately 46.9 billion won even in the conservative Scenario.
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