Plants responses to increase in atmospheric carbon dioxide and temperature
نویسندگان
چکیده
منابع مشابه
Screen level temperature increase due to higher atmospheric carbon dioxide in calm and windy nights revisited
[1] Long‐term surface observations over land have shown temperature increases during the last century, especially during nighttime. Observations analyzed by Parker (2004) show similar long‐term trends for calm and windy conditions at night, and on basis of this it was suggested that the possible effect of urban heat effects on long‐term temperature trends are small. On the other hand, a simplif...
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We repeatedly sampled the surface mineral soil (0-20 cm depth) in three northern temperate forest communities over an 11-year experimental fumigation to understand the effects of elevated carbon dioxide (CO(2)) and/or elevated phyto-toxic ozone (O(3)) on soil carbon (C). After 11 years, there was no significant main effect of CO(2) or O(3) on soil C. However, within the community containing onl...
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Atmospheric CO(2) concentration ([CO(2)]) is now higher than it was at any time in the past 26 million years and is expected to nearly double during this century. Terrestrial plants with the C(3) photosynthetic pathway respond in the short term to increased [CO(2)] via increased net photosynthesis and decreased transpiration. In the longer term this increase is often offset by downregulation of...
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Global warming is increasing permanently, because the concentration of CO2 in the atmosphere is rising continuously. According to National Oceanographic and Atmospheric Administration, the concentration of CO2 in the atmosphere was 407 ppm in June 2016 and 413 ppm in April 2017 as a last record for now. If the effects of other greenhouse gases, such as CH4, N<su...
متن کاملIn situ photosynthetic responses to light, temperature and carbon dioxide in herbaceous plants from low and high altitude
Net CO2 assimilation (A) was analysed in situ in 12 pairs of altitudinally separated, herbaceous plant species in the Austrian Alps at 600 and 2600m. Both groups of species show a similar average response to light, saturating at quantum flux densities (400-700mm) (QFD) of more than 1200 VLmol m-2 sol. Temperature optimum of QFD-saturated A differs little (3K) and corresponds to the median of ai...
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ژورنال
عنوان ژورنال: Revista Brasileira de Geografia Física
سال: 2015
ISSN: 1984-2295
DOI: 10.5935/1984-2295.20150020