생태계위해성평가 기반 마련을 위한 한국 도입 외래 포유류 목록 구축
An inventory of alien mammals for ecological risk assessment in South Korea
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본 연구에서는 국내에 도입된 외래 포유류를 조사하여 생태계위해성평가와 외래생물 관리 데이터베이스 구축에 필요한 기초자료를 제시하고자 했다. 이를 위해 관상 목적으로 도입된 외래 포유류, 개인 간 거래되는 외래 포유류 등 사육 환경에서의 외래 포유류와 자연에 유입된 외래 포유류를 조사하여 한국에 도입된 외래 포유류 목록을 구축하였다. 한국에 도입된 외래 포유류는 총 163분류군으로 확인되었다. 관상 목적으로 도입된 외래 포유류는 11목 44과 139분류군, 개인 간 거래되는 외래 포유류는 5목 19과 28분류군, 자연생태계에 유입된 외래 포유류는 총 4목 7과 8분류군으로 나타났다. 국내 도입된 외래 포유류의 효과적인 관리를 위해서는 도입된 모든 종의 목록을 토대로 종별 개체수, 도입지역 등 기초적인 정보의 확보가 중요하다. 아울러, 자연생태계 유출 시 나타날 수 있는 생태계위해성에 대한 객관적 평가를 통해 잠재적인 위해 정도를 구분하고 이에 근거한 관리정책의 체계적 연계가 필요하다. 마지막으로, 국내 자연생태계에 유입된 Capra hircus, Cervus nippon taiouanus, Felis catus, Myocastor coypus, Ondatra zibethicus, Oryctolagus cuniculus, Ovis aries, Rattus norvegicus 등 8분류군에 대해서는 확산 변화 양상에 관한 지속적인 모니터링과 서식 변화 수준에 따른 즉각적 대응체계 구축 등 국가 차원에서의 확산 제어 방안 마련이 시급히 요구된다.
Abstract
This study investigated the exotic mammals introduced to Korea to present the basic data necessary for ecological risk assessment and the establishment of an alien species management database. For this purpose, a list of alien mammals introduced to Korea was established by investigating alien mammals introduced for zoo exhibits purposes, alien mammals in breeding environments traded between individuals, and alien mammals introduced into nature. A total of 163 taxa were identified as alien mammals introduced to Korea. There were 139 taxonomic groups of ornamental alien mammals, including 11 orders, 44 families, 129 species and 10 subspecies; 28 taxonomic groups of alien mammals traded between individuals, including five orders and 19 families; and eight taxonomic groups of alien mammals introduced into nature, including four orders, seven families, seven species, and one subspecies. For the effective management of alien mammals introduced to Korea, it is important to collect basic information, such as a list of all species introduced, their populations, and introduced areas. It is also necessary to apply proactive management policies according to the degree of potential risk by preemptively evaluating the ecological risks that may arise from the introduction of alien species into natural ecosystems. For the eight taxonomic groups of Capra hircus, Cervus nippon taiouanus, Felis catus, Myocastor coypus, Oryctolagus cuniculus, Ondatra zibethicus, Ovis aries, and Rattus norvegicus identified to be introduced into the natural ecosystem of Korea, the provision of proliferation control measures at the national level, continuous monitoring of changes in diffusion trends, and immediate response based on the degree of change are required.
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