NET PRIMARY PRODUCTIVITY
; CLIMATE-CHANGE
; FOREST ECOSYSTEMS
; SOIL-TEMPERATURE
; BOREAL
; LAND
; CO2
; DEPOSITION
; STORAGE
; RUSSIA
WOS学科分类:
Multidisciplinary Sciences
WOS研究方向:
Science & Technology - Other Topics
英文摘要:
Nitrogen (N) availability exerts strong control on carbon storage in the forests of Northern Eurasia. Here, using a process-based model, we explore how three factors that alter N availability-permafrost degradation, atmospheric N deposition, and the abandonment of agricultural land to forest regrowth (land-use legacy)-affect carbon storage in the region's forest vegetation over the 21st century within the context of two IPCC global-change scenarios (RCPs 4.5 and 8.5). For RCP4.5, enhanced N availability results in increased tree carbon storage of 27.8 Pg C, with land-use legacy being the most important factor. For RCP8.5, enhanced N availability results in increased carbon storage in trees of 13.4 Pg C, with permafrost degradation being the most important factor. Our analysis reveals complex spatial and temporal patterns of regional carbon storage. This study underscores the importance of considering carbon-nitrogen interactions when assessing regional and sub-regional impacts of global change policies.
1.Marine Biol Lab, Ecosyst Ctr, 7 MBL St, Woods Hole, MA 02543 USA 2.MIT, Joint Program Sci & Policy Global Change, 77 Massachusetts Ave, Cambridge, MA 02139 USA 3.Univ Calif Davis, Dept Land Air & Water Resources, 247 Hoagland Hall, Davis, CA 95616 USA 4.Purdue Univ, Dept Earth Atmospher & Planetary Sci, 550 Stadium Mall Dr, W Lafayette, IN 47907 USA 5.Purdue Univ, Dept Agron, 550 Stadium Mall Dr, W Lafayette, IN 47907 USA
Recommended Citation:
Kicklighter, David W.,Melillo, Jerry M.,Monier, Erwan,et al. Future nitrogen availability and its effect on carbon sequestration in Northern Eurasia[J]. NATURE COMMUNICATIONS,2019-01-01,10