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NTIS 바로가기韓國林學會誌 = Journal of Korean Forest Society, v.99 no.3=no.190, 2010년, pp.353 - 358
이위영 (국립산림과학원 산림생명공학과) , 박응준 (국립산림과학원 산림생명공학과) , 한상억 (국립산림과학원 자원육성과)
잣나무 목질부의 전질소 함량, 질소 및 탄소 동위원소비와 생장량과의 관계를 구명하고자 목편을 채취, 목질부의 질소 함량, 질소 및 탄소 동위원소비를 측정하여 목편의 연륜 폭과의 관계를 분석하였다. 목편의 연륜 폭과
In this study, we investigated the relationship of tree-ring growth with total nitrogen content, and stable carbon and nitrogen isotopes from the core samples of Pinus koraiensis (35-year-old). Annual ring width showed significant positive correlations with the
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
임목의 생장량을 추정할 수 있는 인자는? | 신속생장하는 임목의 선발을 위해 임목의 생장량을 추정할 수 있는 호르몬, δ13C, 등 생장 추정인자들에 대한 연구가 진행되어 오고 있다(Pharis et al., 1991; Prasolova et al. | |
신속한 생장을 위해 필요한 요소는? | 생장이 우수한 수형목의 이상적인 표현형은 짧은 생장기간에 빨리 생장하고, 서리, 가뭄, 기타 혹한 동절기에 대한 저항성이 있어야 한다. 이와 같이 신속한 생장을 하는 나무는 상대적으로 높은 수분 및 질소 이용효율이 높고 탄소 저장율이 높아야 한다. | |
δ13C값이 식물 고유의 광합성 능력과 관련있는 까닭은? | δ13C값은 잎 내부의 CO2 농도를 추정할 수 있게 함으로서 식물 고유의 광합성 능력과 관계가 있다(Guy and Holowachuk, 2001; O'Leary, 1988; Farquhar et al., 1989). |
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