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022 _a0176-1617
040 _aMSU
_bEnglish0
_cMSU
_erda
050 0 0 _aQK711.2 JOU
100 1 _aPugh, T A M
_eauthor
245 1 0 _aKey knowledge and data gaps in modelling the influence of CO2 concentration on the terrestrial carbon sink
_ccreated by T A M Pugh, C Müller, A Arneth, V Haverd and B Smith
264 1 _aAmsterdam:
_bElsevier GmbH,
_c2016.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of plant physiology
_vVolume 203
520 3 _aPrimary productivity of terrestrial vegetation is expected to increase under the influence of increasing atmospheric carbon dioxide concentrations ([CO2]). Depending on the fate of such additionally fixed carbon, this could lead to an increase in terrestrial carbon storage, and thus a net terrestrial sink of atmospheric carbon. Such a mechanism is generally believed to be the primary global driver behind the observed large net uptake of anthropogenic CO2 emissions by the biosphere. Mechanisms driving CO2 uptake in the Terrestrial Biosphere Models (TBMs) used to attribute and project terrestrial carbon sinks, including that from increased [CO2], remain in large parts unchanged since those models were conceived two decades ago. However, there exists a large body of new data and understanding providing an opportunity to update these models, and directing towards important topics for further research. In this review we highlight recent developments in understanding of the effects of elevated [CO2] on photosynthesis, and in particular on the fate of additionally fixed carbon within the plant with its implications for carbon turnover rates, on the regulation of photosynthesis in response to environmental limitations on in-plant carbon sinks, and on emergent ecosystem responses. We recommend possible avenues for model improvement and identify requirements for better data on core processes relevant to the understanding and modelling of the effect of increasing [CO2] on the global terrestrial carbon sink.
650 _aTerrestrial carbon sink
650 _aCO2 concentration
650 _aKnowldege gaps
700 1 _aMüller, C
_eco-author
700 1 _aArneth, A
_eco-author
700 1 _aHaverd, V
_eco-author
700 1 _aSmith, B
_eco-author
856 _uhttps://doi.org/10.1016/j.jplph.2016.05.001
942 _2lcc
_cJA
999 _c169043
_d169043