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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.6
- 수록면
- 229 - 229 (1page)
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초록· 키워드
The temperature in Europe is predicted to increase between 2.3 °C and 5.3 °C and contemporary decreases of summer precipitation over this century may affect mycorrhizal hyphal production as well as soil organic matter decomposition and carbon stabilization. We investigated how summer drought and warming impacts upon mycorrhizal hyphal production and decomposition of organic material in three shrublands and one temperate forest ecosystem. The study was conducted in three shrublands located in Porto Conte, Italy; Clocaenog and Peaknaze, UK and a mature forest at Achenkirch in Austria. In the Shrublands the treatment infrastructure, established in 1998, were comprised of night-time warming (+1 °C), and repeated summer drought applied by automatic retractable roofs, and controls (n=3) (Beier et al 2004). In the forest site, a replicated (n=3) warming treatment (+4 °C) was applied using underground heating cables and compared against controls. Fungal ingrowth bags filled with acid washed sand and two litter types (labile and recalcitrant) were buried at a depth of 5 cm. Each litter bag was incubated for 190 days at the Italian site, 170 days at the Austrian site, and 57 days at both UK sites. Fungal biomass was determined by the abundance of the chitin breakdown product ergosterol in the ingrowth bags. Saprophytic fungal biomass was measured by ingrowth bags installed in trenched cores. Mycorrhizal biomass was calculated by deducting saprophytic fungal bio ... 전체 초록 보기
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