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훼손된 생태계의 복원을 통한 생태계 서비스의 회복 : 채탄쓰레기 매립지 복원지의 사례
오우석,이창석 한국환경생물학회 2014 환경생물 : 환경생물학회지 Vol.32 No.2
Ecological restoration is regarded as a major strategy for preventing biodiversity loss and thereby enhancing ecosystem service. This study was performed to evaluate ecosystem service value that the restored ecosystem provides. Ecosystem service was evaluated for provisioning and regulating services. The former service was evaluated by comparing similarities in a viewpoint of floristic composition to the reference site between the restored and the unrestored sites. Species composition of the restored site was found to be more similar to the reference site than that of the unrestored site and thereby restoration practice contributed for enhancing the provisioning service. Regulating service was evaluated based on microclimate control, soil amelioration, and improvement of water holding capacity. The value of ecosystem services in terms of microclimate control, soil amelioration, and improvement of water holding capacity was higher in the restored site than in the unrestored site. In consequence, ecological restoration of coal mine spoils contributed for enhancing the ecosystem service value of the corresponding site and thereby is rewarding the cost invested for restoration.
A Functioning Adrenocortical Oncocytoma
오우석,정재욱,권준범,권태균,김정식,윤길숙 대한비뇨의학회 2009 Investigative and Clinical Urology Vol.50 No.4
Adrenocortical oncocytomas are exceptionally rare and most are benign and nonfunctioning. Only 3 cases of adrenal oncocytomas have been reported in the Korean literature and all of them were nonfunctioning. Herein, we report a case of a functioning adrenocortical oncocytoma in a 49-year-old man who presented with Cushing syndrome.