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- aggregation classification "A1".
- aggregation creator B510549.
- aggregation creator B510550.
- aggregation creator B510551.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 3097339.bibtex.
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- aggregation isPartOf urn:issn:0028-646X.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "The effect of induced heat waves on Pinus taeda and Quercus rubra seedlings in ambient and elevated CO₂ atmospheres".
- aggregation abstract "Here, we investigated the effect of different heat-wave intensities applied at two atmospheric CO2 concentrations ([CO2]) on seedlings of two tree species, loblolly pine (Pinus taeda) and northern red oak (Quercus rubra). Seedlings were assigned to treatment combinations of two levels of [CO2] (380 or 700 mu mol mol-1) and four levels of air temperature (ambient, ambient +3 degrees C, or 7-d heat waves consisting of a biweekly +6 degrees C heat wave, or a monthly +12 degrees C heat wave). Treatments were maintained throughout the growing season, thus receiving equal heat sums. We measured gas exchange and fluorescence parameters before, during and after a mid-summer heat wave. The +12 degrees C heat wave, significantly reduced net photosynthesis (Anet) in both species and [CO2] treatments but this effect was diminished in elevated [CO2]. The decrease in Anet was accompanied by a decrease in Fv'/Fm' in P. taeda and FPSII in Q. rubra. Our findings suggest that, if soil moisture is adequate, trees will experience negative effects in photosynthetic performance only with the occurrence of extreme heat waves. As elevated [CO2] diminished these negative effects, the future climate may not be as detrimental to plant communities as previously assumed.".
- aggregation authorList BK855930.
- aggregation endPage "461".
- aggregation issue "2".
- aggregation startPage "448".
- aggregation volume "196".
- aggregation aggregates 3097386.
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- aggregation similarTo j.1469-8137.2012.04267.x.
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