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NTIS 바로가기韓國傳統造景學會誌 = Journal of the Korean Institute of Traditional Landscape Architecture, v.35 no.2, 2017년, pp.87 - 97
이창우 (국립생태원 생물관리연구본부) , 이철호 (동의대학교 분자생물학과) , 최병기 (동의대학교 분자생물학과)
Paulownia species has long been recognized in Korean traditional culture and the values of the species have been researched in various focuses. However, studies on distribution and ecological characteristics of the species are still needed. This study aimed to identify distribution trends and ecolog...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
오동나무는 무엇인가? | 오동나무(Paulownia coreana Uyeki)는 한국 특산식물(endemic plant species)로 현삼과에 속하고 높이가 15m에 달하는 낙엽활엽교목이다[1]. 예로부터 오동나무의 명칭과 형태적 유사성에 의해 참오동나무(P. | |
MaxEnt는 공간에서의 확률분포를 무엇을 추정하여 나타내는가? | 출현/비출현자료를 사용하는 모형은 GLMs(generalized linear models), GAMs(generalized additive models), BRT(boosted regression trees)등이 있으며, 출현자료만 사용하는 모형은 GARP(genetic algorithm for rule-set production), ENFA(ecological niche factor analysis), MaxEnt(maximum entropy modeling of species geographic distributions) 등이 있다[19][21]. 이 중MaxEnt는 생물종 분포의 무질서도(entropy)를 극대화 할 수 있는 값을 추정하여 공간에서의 확률분포를 나타내는 회귀모형으로, 출현자료만을 적용할 때 다른 종 분포 모형에 비해 높은 정확도를 나타낸다[21-25]. | |
종 분포 모형의 종류 중 출현자료만 사용하는 모형은 무엇인가? | 종 분포 모형의 종류는 종의 출현자료 유형에 따라 나뉘는데, 출현/비출현 자료(present-absent data) 모두를 사용하는 모형, 출현자료(only present data)만 사용하는 모형으로 구분된다. 출현/비출현자료를 사용하는 모형은 GLMs(generalized linear models), GAMs(generalized additive models), BRT(boosted regression trees)등이 있으며, 출현자료만 사용하는 모형은 GARP(genetic algorithm for rule-set production), ENFA(ecological niche factor analysis), MaxEnt(maximum entropy modeling of species geographic distributions) 등이 있다[19][21]. 이 중MaxEnt는 생물종 분포의 무질서도(entropy)를 극대화 할 수 있는 값을 추정하여 공간에서의 확률분포를 나타내는 회귀모형으로, 출현자료만을 적용할 때 다른 종 분포 모형에 비해 높은 정확도를 나타낸다[21-25]. |
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