DOI: 10.1016/j.foreco.2015.01.004
Scopus记录号: 2-s2.0-84922563631
论文题名: Combination of nitrogen and phosphorus fertilization enhance ecosystem carbon sequestration in a nitrogen-limited temperate plantation of Northern China
作者: Zeng W. ; Wang W.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2015
卷: 341 起始页码: 59
结束页码: 66
语种: 英语
英文关键词: Carbon sequestration
; Net ecosystem production
; Net primary production
; Nitrogen and phosphorus fertilization
; Nutrient limitation
; Soil respiration
Scopus关键词: Carbon
; Ecology
; Forestry
; Nitrogen
; Organic carbon
; Phosphorus
; Soils
; Carbon sequestration
; Net ecosystem production
; Net primary production
; Nitrogen and phosphorus
; Nutrient limitations
; Soil respiration
; Ecosystems
; carbon sequestration
; community composition
; concentration (composition)
; coniferous tree
; fertilizer application
; microbial community
; net primary production
; nutrient limitation
; phosphorus
; soil nitrogen
; soil organic matter
; soil respiration
; temperate environment
; tree planting
; Carbon
; Chelation
; Ecosystems
; Nitrogen
; Phosphorus
; Production
; Respiration
; Soil
; China
; Hebei
; Pinus sylvestris
英文摘要: Numerous studies have shown that nitrogen (N) addition can increase net ecosystem production (NEP) in N-limited ecosystems, but it is still not clear how increasing phosphorus (P) availability affects carbon sequestration by N-limited ecosystems. A 3-year field experiment was established in May 2010 to compare the control (no fertilization), N fertilized (5gNm-2yr-1), P fertilized (5gPm-2yr-1), and N+P fertilized (5gNm-2yr-1 and 5gPm-2yr-1) treatments in N-limited Pinus sylvestris plantations of the Saihanba Forestry Center located in Hebei Province in northern China, which is the largest area of plantations in China. Net primary production (NPP), soil respiration (SR) and its autotrophic and heterotrophic components, plant tissues carbon (C) and N concentrations, soil organic carbon (SOC) and soil total nitrogen (STN), microbial biomass and community composition and the soil pH were measured. Addition of N or P alone had no significant effect on autotrophic respiration (AR) or heterotrophic respiration (HR); however, when applied in combination, AR increased and HR decreased significantly. Moreover, while N addition increased NPP by 10.16% and P addition had no significant effect on NPP, combined N and P fertilization increased NPP by 21.97%. NEP was unchanged by the addition of P, but increased significantly in response to combined N and P fertilization (510.23gCm-2yr-1), nearly 50% higher than that observed in response to the addition of N (339.63gCm-2yr-1). Taken together, our results indicate that simultaneous addition of both N and P promoted C storage in N-limited ecosystems and that simultaneously increasing in N and P availability is an effective method of expanding the C sequestration capacity of N-limited plantations. © 2015 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65540
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Ecology, College of Urban and Environmental Science, Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
Recommended Citation:
Zeng W.,Wang W.. Combination of nitrogen and phosphorus fertilization enhance ecosystem carbon sequestration in a nitrogen-limited temperate plantation of Northern China[J]. Forest Ecology and Management,2015-01-01,341