인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
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
- 학술대회자료
- 저자정보
- 발행연도
- 2014.6
- 수록면
- 412 - 412 (1page)
이용수
초록· 키워드
Rising atmospheric carbon dioxide (CO2) concentrations and elevated temperatures (eT) are of global concern. Forest soils have been identified as potential C-sinks under future climate forcing, as carbon inputs to soil are generally predicted to increase under eCO2. However, a key determinant of an ecosystems ability to efficiently sequester C is the availability and sustainability of other nutrients including nitrogen (N) and phosphorus (P). This presents great uncertainty in predicting the global capacity of terrestrial ecosystems to sequester C because there are major gaps in our understanding of the interactions and feedbacks between the carbon, nitrogen and phosphorus cycles. This uncertainty is largely driven by limited understanding of the interactions and feedbacks between above- and below-ground ecosystems under climate forcing. Key to this is improving our understanding of microbial-mediated nutrient cycling in response to multiple climate change factors (eCO2 and eT). Using whole tree chambers at the Hawkesbury Forest Experiment, that allow portioning of soil and plant CO2 fluxes, we determined the interactive effect of eCO2 (+200 ppm above ambient) and eT (+3 °C above ambient) on the structure and activity o ... 전체 초록 보기
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