지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 397 - 405 (9page)
- DOI
- 10.15531/ksccr.2016.7.4.397
이용수
초록· 키워드
오류제보하기
For better understand of the soil respiration characteristic in ecosystem, it is necessary to accurately determine the daily, monthly and seasonal CO₂ flux related to various environmental factors. In general, soil respiration is being measured on a sunny day. But soil respiration is known to be affected by soil temperature and soil moisture content. In case of forestry, changes in soil moisture content are entirely dependent on rainfall. If we calculated the monthly soil respiration measured based on sunny days data only, it could be a factor that loses credibility soil respiration. On this study, we measured soil respiration on Pinus koraiensis plantation at Mt. Taehwa of Gwangju, Gyeonggi-do on sunny and rainy days in 2012, using Automatic Open-Closed Chamber system (AOCC) and portable CO₂ analyzer (GMP343). Then we computed the regression equations using sunny days data, precipitation less than 10 mm data, and precipitation over 10 mm data. At first, there were no significant differences in observed data and computed data. But less than 10 mm precipitation, computed data was 26.5% lower than observed data. Precipitation over 10 mm, on the other hand, the former was 29.3% higher than the latter. In each case, it showed significant differences between observed and computed data (p<0.05). So if we computed regression equation using soil respiration measured sunny days only, about 30% of annual soil respiration could be overestimated. Through further study, we suggest the subdivision and computation of regression equation on the basis of the rainfall intensity.
목차
ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
REFERENCES
참고문헌 (23)
참고문헌 신청
[학술지(정기간행물)] - Bekku Y. / 1995 / Measure-ment of soil respiration using closed chamber method : An IRGA technique / Ecological Research 10 (3) : 369 ~ 373
[학술지(정기간행물)] - Bond-Lamberty B. / 2004 / Contribution of root respiration to soil surface CO 2 flux in a boreal black spruce chronosequence / Tree Physiology 24 : 1387 ~ 1395
[학술지(정기간행물)] - Davidson EA. / 2002 / Mini-mizing artifacts and biases in chamber-based measurements of soil respiration / Agricultural and Forest Meteorology 113 : 21 ~ 37
[학술지(정기간행물)] - Hanson PJ. / 2000 / Separating root and soil microbial contributions to soil respiration : A review of methods and observations / Bio-geochemistry 48 : 115 ~ 146
[단행본] - Heo JH. / 2014 / Soil respiration of coniferous and deciduous stands at Gwangneung arbo-retum and Taehwa research forest / Proceeding of the Korean Forestry Society : 156 ~
[학술지(정기간행물)] - Bond-Lamberty B. / 2004 / Contribution of root respiration to soil surface CO 2 flux in a boreal black spruce chronosequence / Tree Physiology 24 : 1387 ~ 1395
[학술지(정기간행물)] - Davidson EA. / 2002 / Mini-mizing artifacts and biases in chamber-based measurements of soil respiration / Agricultural and Forest Meteorology 113 : 21 ~ 37
[학술지(정기간행물)] - Hanson PJ. / 2000 / Separating root and soil microbial contributions to soil respiration : A review of methods and observations / Bio-geochemistry 48 : 115 ~ 146
[단행본] - Heo JH. / 2014 / Soil respiration of coniferous and deciduous stands at Gwangneung arbo-retum and Taehwa research forest / Proceeding of the Korean Forestry Society : 156 ~
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UCI(KEPA) : I410-ECN-0101-2017-453-001975700