| Value |
187
Tg N yr^-1
|
| Organism |
Biosphere |
| Reference |
Galloway JN et al, Transformation of the nitrogen cycle: recent trends, questions, and potential solutions. Science. 2008 May 16 320(5878):889-92. p. 889 middle column, bottom paragraphPubMed ID18487183
|
| Primary Source |
Food and Agriculture Organization, FAO statistical databases (2006), Rome, available at link fao.org/default.aspx. |
| Comments |
Reactive nitrogen (Nr) products are reduced or oxidized nitrogen compounds NH3, NOx, NOy, etc. From 1860 to
1995, energy and food production increased
steadily on both an absolute and per capita
basis Nr creation also increased from ~15 Tg N
in 1860 to 156 Tg N in 1995. The change was
enormous, and it increased further from 156 TgN/yr in 1995 to 187 TgN/yr in 2005, in
large part because cereal production increased
from 1897 to 2270 million tons (20%), and
meat production increased from 207 to 260
million tons (26%) (primary source). |
| Entered by |
Ben Marks |
| ID |
101566 |