Earlier leaf-flushing suppressed ecosystem productivity by draining soil water in the Mongolian Plateau

Earlier leaf-flushing suppressed ecosystem productivity by draining soil water in the Mongolian... Phenology-associated changes in soil moisture have profound potential in regulating seasonal and annual productivity in arid and semi-arid ecosystems. In our study, we found earlier SGS has tendency to enhance spring productivity at north part of the Mongolian Plateau. Nonetheless, the suppressed summer photosynthesis due to phenology-induced water stress dramatically reduced annual carbon assimilation. This figure shows spatial distribution of correlation coefficients (r) between the start of growing season and (a) spring GPP, (b) summer GPP, (c) annual GPP in the Mongolia Plateau from 1982 to 2011. (All figures have the same legend; correlation coefficients >0.36 (or < −0.36) denotes significant correlation at p<0.05 level.) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agricultural and Forest Meteorology Elsevier

Earlier leaf-flushing suppressed ecosystem productivity by draining soil water in the Mongolian Plateau

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0168-1923
D.O.I.
10.1016/j.agrformet.2017.11.035
Publisher site
See Article on Publisher Site

Abstract

Phenology-associated changes in soil moisture have profound potential in regulating seasonal and annual productivity in arid and semi-arid ecosystems. In our study, we found earlier SGS has tendency to enhance spring productivity at north part of the Mongolian Plateau. Nonetheless, the suppressed summer photosynthesis due to phenology-induced water stress dramatically reduced annual carbon assimilation. This figure shows spatial distribution of correlation coefficients (r) between the start of growing season and (a) spring GPP, (b) summer GPP, (c) annual GPP in the Mongolia Plateau from 1982 to 2011. (All figures have the same legend; correlation coefficients >0.36 (or < −0.36) denotes significant correlation at p<0.05 level.)

Journal

Agricultural and Forest MeteorologyElsevier

Published: Mar 15, 2018

References

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