Responses and feedbacks of coupled biogeochemical cycles to climate change: examples from terrestrial ecosystems

被引:233
作者
Finzi, Adrien C. [1 ]
Austin, Amy T. [2 ,3 ]
Cleland, Elsa E. [4 ]
Frey, Serita D. [5 ]
Houlton, Benjamin Z. [6 ]
Wallenstein, Matthew D. [7 ]
机构
[1] Boston Univ, Dept Biol, Boston, MA 02215 USA
[2] Univ Buenos Aires, Buenos Aires, DF, Argentina
[3] Consejo Nacl Invest Cient & Tecn, IFEVA, RA-1033 Buenos Aires, DF, Argentina
[4] Univ Calif San Diego, Ecol Behav & Evolut Sect, La Jolla, CA 92093 USA
[5] Univ New Hampshire, Dept Nat Resources Environm, Durham, NH 03824 USA
[6] Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA
[7] Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA
基金
美国国家科学基金会;
关键词
NITROGEN LIMITATION; ATMOSPHERIC CO2; CARBON; SOIL; GROWTH; AVAILABILITY; TEMPERATURE; DIVERSITY; DYNAMICS; NUTRIENT;
D O I
10.1890/100001
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The biogeochemical cycles of carbon (C), nitrogen (N), and phosphorus (P) are fundamental to life on Earth. Because organisms require these elements in strict proportions, the cycles of C, N, and P are coupled at molecular to global scales through their effects on the biochemical reactions controlling primary production, respiration, and decomposition. The coupling of the C, N, and P cycles constrains organismal responses to climatic and atmospheric change, suggesting that present-day estimates of climate warming through the year 2100 are conservative. N and P supplies constrain C uptake in the terrestrial biosphere, yet these constraints are often not incorporated into global-scale analyses of Earth's climate. The inclusion of coupled biogeochemical cycles is critical to the development of next-generation, global-scale climate models.
引用
收藏
页码:61 / 67
页数:7
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