환경생물 (Korean Journal of Environmental Biology)

  • 제33권4호
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  • Pages.459-467
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  • 2015
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  • 1226-9999(pISSN)
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  • 2287-7851(eISSN)
한국환경생물학회 (Korean Society of Environmental Biology)
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덕유산의 생태계 탄소축적량 산정에 관한 연구

A Study of Accumulated Ecosystem Carbon in Mt. Deogyusan, Korea

  • 투고 : 2015.11.30
  • 심사 : 2015.12.16
  • 발행 : 2015.12.31
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초록

지역적 규모의 탄소순환과 저장량 변화에 대한 자료는 지구적 규모의 탄소순환 형태 변화를 예측하는 중요한 자료가 된다. 따라서 다양한 지역적 규모의 생태계에 대한 자료 수집은 필수적이다. 본 연구는 국내 다양한 생태계 중 자연성이 높은 국립공원지역 산림 생태계의 탄소축적량을 산정하여 자연군락이 축적 가능한 탄소축적 잠재량을 평가하기 위해 진행되었다. 연구대상지인 덕유산국립공원은 신갈나무 우점군락 10,881.5 ha (47.2%), 굴참나무 우점군락 2,314.6 ha (10.0%), 소나무 우점군락 1,952.6 ha (8.5%), 졸참나무 우점군락 402.9 ha (1.7%) 등이 분포하고 있는 것으로 조사되었다. 조사구는 군락의 분포지역을 확인하고, 수목밀도와 종조성 등을 고려하여 선정하였고, biomass 탄소축적량을 산정하기 매목조사를 실시하였다. 각 매목조사구 내 토양샘플구 ($30cm{\times}30cm$)를 각 3개씩 설치하여 토양 탄소축적량을 조사하였다. Biomass 탄소축적량과 토양 탄소축적량은 신갈나무 우점군락에서 각각 1,749,000 tC와 7,776,000 tC로 가장 높은 값이 측정되었다. 군락별 전체 생태계에 축적되어 있는 탄소량은 신갈나무 우점군락과, 굴참나무 우점군락, 졸참나무 우점군락, 소나무 우점군락에서 각각 9,536,000 tC, 1,405,000 tC, 147,000 tC, 346,000 tC로 나타났다. 또한 덕유산국립공원의 전체 생태계 탄소축적량은 11,434,000 tC로 산정되었다.

Understanding of a carbon storage in a regional scale ecosystem is a very important data for predicting change of global carbon cycle. Therefore, the real data collected in the various ecosystems are a very useful for enhancing accuracy of model prediction. We tried to estimate total accumulated ecosystem carbon in Deogyusan National Park (DNP) with naturally well preserved ecosystem. In DNP, vegetations were classified to four main communities with Quercus mongolica community (12,636.9 ha, 54.8%), Quercus variabilis community (2,987.0 ha, 13.0%), Pinus densiflora community (5,758.0 ha, 25.0%), and Quercus serrata community (402.9 ha,1.7%). Biomass and soil carbons were estimated by the biomass allometric equations based on the DBH and carbon contents of litter and soil (0~30 cm) layers collected in 3 plots ($30cm{\times}30cm$) in each community. The biomass and soil carbons were shown as high value as 1,759,000 tC and 7,776,000 tC, respectively, in Quercus mongolia community in DNP area. In Quercus mongolica, Quercus variabilis, Quercus serrata, Pinus densiflora communities, the accumulated ecosystem carbon were shown 9,536,000 tC, 1,405,000 tC, 147,000 tC, 346,000 tC, respectively. Also, the total ecosystem carbon was estimated with 11,434,000 tC in DNP.

키워드

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