Chin J Plant Ecol ›› 2005, Vol. 29 ›› Issue (6): 1007-1019.DOI: 10.17521/cjpe.2005.0120
Special Issue: 生态化学计量
• Research Articles • Previous Articles Next Articles
ZENG De-Hui1(), CHEN Guang-Sheng1,2
Received:
2004-09-20
Accepted:
2005-05-27
Online:
2005-09-30
Published:
2005-09-30
ZENG De-Hui, CHEN Guang-Sheng. ECOLOGICAL STOICHIOMETRY: A SCIENCE TO EXPLORE THE COMPLEXITY OF LIVING SYSTEMS[J]. Chin J Plant Ecol, 2005, 29(6): 1007-1019.
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元素 Element | 产生来源 Sources of flux | 产生大小 Magnitude of flux (109 kg·a-1) | 人类的影响 The change due to human activities (%) | |
---|---|---|---|---|
自然 Natural | 人类 Anthropogenic | |||
C | 陆地生物呼吸和分解Terrestrial respiration and decay CO2 | 61 000 | 8 000 | +13 |
化石燃料燃烧和土地利用改变Fossil fuel and land use CO2 | ||||
N | 自然界生物固氮Natural biological fixation | 130 | 140 | +108 |
农作物、化石燃料燃烧和施肥Fixation owing to rice cultivation, combustion of fossil fuels, and production of fertilizer | ||||
P | 风化Chemical weathering | 3 | 12 | +400 |
采矿Mining |
Table 1 Examples of human intervention in global biogeochemical cycles of C, N, P (Falkowski et al., 2000)
元素 Element | 产生来源 Sources of flux | 产生大小 Magnitude of flux (109 kg·a-1) | 人类的影响 The change due to human activities (%) | |
---|---|---|---|---|
自然 Natural | 人类 Anthropogenic | |||
C | 陆地生物呼吸和分解Terrestrial respiration and decay CO2 | 61 000 | 8 000 | +13 |
化石燃料燃烧和土地利用改变Fossil fuel and land use CO2 | ||||
N | 自然界生物固氮Natural biological fixation | 130 | 140 | +108 |
农作物、化石燃料燃烧和施肥Fixation owing to rice cultivation, combustion of fossil fuels, and production of fertilizer | ||||
P | 风化Chemical weathering | 3 | 12 | +400 |
采矿Mining |
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