무주지역 리기다소나무 임분에 대한 탄소저장량 평가

국문 초록 (Abstract)

본 연구는 전라북도 무주 지역의 36년생 리기다소나무 임분을 대상으로 임목(지상부와 지하부), 고사목, 유기물층, 토양에 대한 탄소저장량을 산출하고자 하였다. 총 3개의 표준지 내에서 11 그루의 표준목을 선정하였고 고사목, 유기물 층, 토양에 대한 시료를 채취하여 분석 자료로 활용하였다. 그 결과, 리기다소나무 임분에 대한 지상부 및 지하부 탄소저장량은 각각 51.0 ton C/ha, 29.6 ton C/ha로 나타났다. 부위별 구성비는 줄기 목질부 41.0% > 뿌리 36.8% > 가지 12.8% > 줄기 수피 6.0% > 잎 3.4% 순으로 나타났다. 고사목의 탄소저장량은 0.65 ton C/ha으로 나타났으며 유기물층 탄소저장량은 6.40 ton C/ha로 나타났다. 토양의 총 탄소저장량은 51.62 ton C/ha로 나타났으며 층위별 탄소저장량은 0∼10㎝에서 20.27 ton C/ha, 10∼20㎝에서 12.83 ton C/ha, 20∼30㎝에서 12.27 ton C/ha, 30∼50㎝ 에서 6.24 ton C/ha로 나타났다. 토양 탄소저장량은 층위가 깊어질수록 감소하는 경향을 보였으며 이는 탄소농도와 용적밀도에 의해 나타난 결과라고 판단된다. 산림생태계 탄소저장량은 총 139.27 ton C/ha로 나타났고 탄소저장량 구성비는 토양에서 37.1%로 가장 높았으며 다음으로 지상부에서 36.6%로 나타났고 지하부(21.3%), 유기물층(4.6%), 고사목(0.5%) 순으로 나타났다. 따라서 본 연구는 산림생태계 탄소저장량 산출에 기초적인 정보를 제공할 수 있을 것으로 판단된다.

다국어 초록 (Multilingual Abstract)

This study aimed to determine the total amount of carbon stored in the aboveground, belowground tree biomass, dead trees, and organic matter in the forest floor and soil of the 36-year-old Pinus rigida stands in Muju. A total of three plots were selected to measure the carbon stored in live trees, dead trees, forest floor, and soil. Results showed that the carbon stocks of P. rigida stands amounted to 51.0 ton C/ha in aboveground biomass and 29.6 ton C/ha in belowground biomass. The distribution ratios of carbon stocks were as follows: 41.0% in stem wood, 36.8% in roots, 12.8% in branches, 6.0% in stem bark and 3.4% in foliage. The carbon stocks in dead tree amounted to 0.65 ton C/ha while it was 6.40 ton C/ha in organic matter in forest floor. The total amount of carbon stocks found in soil was 51.62 ton C/ha: 20.27 ton C/ha at 0∼10 ㎝depth, 12.83 ton C/ha at 10∼20 ㎝depth, 12.27 ton C/ha at 20∼30 ㎝depth, and 6.24 ton C/ha at 30∼50 ㎝depth. It was also observed that, as the soil depth increased, the soil carbon stocks tended to decrease. Results showed that the total amount of carbon stocks of P. rigida stands in Muju was 139.27 ton C/ha; the highest portion of the cumulative carbon stocks was found to be in soil at 37.1%, followed by the aboveground biomass with 36.6%, belowground biomass with 21.3%, forest floor with 4.6 % and dead trees with 0.5 %. This study is expected to provide forest managers accurate estimates of carbon stored in the habitat of P. rigida stands in Muju.

목차 (Table of Contents)

• 서 론
• 연구방법
• 1. 연구대상지
• 2. 조사방법
• 3. 통계 분석
• 결과 및 고찰
• 1. 바이오매스 상대생장식
• 2. 임목 탄소저장량 및 구성비
• 3. 유기물층, 고사목 탄소저장량
• 4. 토양 탄소저장량
• 5. 산림생태계 탄소저장량
• REFERENCES

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