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NTIS 바로가기韓國林學會誌 = Journal of Korean Forest Society, v.103 no.2, 2014년, pp.165 - 174
천광일 (국립산림과학원 산림생태연구과) , 주성현 (경북대학교 임학과) , 성주한 (국립산림과학원 산림생태연구과) , 천정화 (국립산림과학원 산림생태연구과) , 이영근 (국립산림과학원 산림생태연구과)
This study was conducted to investigate composition of understory vegetation and indicator species by altitude and slope azimuth in Mt. Gyebang designated as Protected Area for Forest Genetic Resource Conservation and National Park. Tracheophytes were 350 taxa; 80 families, 203 genera, 303 species, ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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상층식생의 다양성의 역할은? | 산림에서 이루어지는 다양한 형태의 생태계경영에서 하층식생의 기능을 유지하기 위해서는 식물종 다양성을 보존하는 것이 바람직하며, 이를 위해서는 서식지의 보호 및 관리가 필요하다(Min and Osbert, 2013). 일반적으로 상층식생의 다양성은 환경의 이질성을 높이게 되어 하층식생의 종 다양성을 향상시키는데(Beatty, 2003), 하층식생은 숲 전체에서 차지하는 생물량은 적은편이나 상층에 필요한 양분공급, 종자의 발아 및 유목의 보호, 동물의 먹이원 및 은신처 등 생태계에서 많은 역할을 하는 것으로 밝혀지고 있다(Yarie, 1980; Saunders and Puettmann, 1999; Gilliam, 2007; Royo and Carson, 2008; Mabry et al., 2008). | |
지표종의 역할은? | , 2011). 또한 지표종은 생태계에서 핵심종(keystone species)의 역할을 하는 종으로 그 지역 및 환경에 현존하는 종이다(Dufrene and Legendre, 1997). 생태계 보존과 관리를 위한 목표는 고유종의 유지, 고유한 생태계의 보호, 여러 가지 생태계 경영을 위한 규제 내에서 인간 활동의 수용 등이 있다 (Grumbine, 1994). | |
MRPP-test에 필요한 집단 기준을 위해 고도를 어떻게 나누었는가? | 고도는 300 m단위, 세 그룹으로 나누었는데 이는 MRPP-test에 필요한 집단기준 중 명확하고 간결하게 나타낼 수 있는 다변량분석의 최저집단수(Mielke, 1984)에 기준하였다. 이에 고도는 Low (<1,000 m, 관목층 조사구 n=34, 초본층 조사구 n=35), Mid (1,001-1,300 m, 관목층 및 초본층 조사구 n=44), High (1,301 m>, 관목층 조사구 n=46, 초본층 조사구 n=48)의 3개의 그룹으로 나누었다. 사면방위는 Yang and Kim(2002) 의 방법에 의한 4개 사면방위의 구배로 나누었으며, NE (0-90°, 관목층 조사구 n=20, 초본층 조사구 n=21), SE (91-180°, 관목층 조사구 n=24, 초본층 조사구 n=25), SW (181-270°, 관목층 및초본층 조사구 n=51), NW (271-359°, 관목층 조사구 n=29, 초본층 조사구 n=30)의 4개의 그룹으로 나누어 분석을 하였다. |
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