2019
DOI: 10.1016/j.jag.2019.05.009
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Dynamics of net primary productivity on the Mongolian Plateau: Joint regulations of phenology and drought

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Cited by 56 publications
(51 citation statements)
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“…The trends in both the SOS and EOS of the whole region appeared to weakly advance during 1982-2015. These results are consistent with previous studies on the changes of phenology in the Mongolian region [52,53]. Through piecewise linear regression on the different regions of change for SOS and EOS, we found that a dramatic trend for grassland phenology emerged around 1997, while there was no obvious trend previously observed.…”
Section: Phenology Spatial Pattern and Changessupporting
confidence: 92%
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“…The trends in both the SOS and EOS of the whole region appeared to weakly advance during 1982-2015. These results are consistent with previous studies on the changes of phenology in the Mongolian region [52,53]. Through piecewise linear regression on the different regions of change for SOS and EOS, we found that a dramatic trend for grassland phenology emerged around 1997, while there was no obvious trend previously observed.…”
Section: Phenology Spatial Pattern and Changessupporting
confidence: 92%
“…Therefore, we further examined the relationship between meteorological factors and SOS. Considering that summer NPP accounts for more than 70% of the annual NPP, while the spring and autumn NPPs account for the remaining proportions [52,60], we checked the relationship between the climate factor and SOS in June, July, August, and September. Notably, the pixels where the SOS significantly positively correlated with precipitation and negatively correlated with temperature in the summer months (June, July, and August) were generally consistent with the pixels where the SOS correlated with NPP ( Figure 8).…”
Section: Npp Response To Phenologymentioning
confidence: 99%
“…Our results confirm that previous studies reported a significant and positive correlation between inter-annual variation of precipitation and NPP at site level studies [57,58]. In this study area, grass grows rapidly in summer when it is hot and rains at the same time, so that NPP in summer was approximately 60% proportionate in the current year, meanwhile that showed a strong relationship with the current season precipitation [59] (Figure 2). This means that precipitation from June to August is essential for grass growth.…”
Section: Response Of Grassland Npp To Climate Changesupporting
confidence: 91%
“…Field harvest measurement was widely used to model validation [27,59,65]. In general, the field biomass measurements that represented NPP depends on the number of samples and the homogeneity of field vegetation.…”
Section: Uncertaintymentioning
confidence: 99%
“…Here, previously calculated εmax value (Bao et al 2016b), values calculated for three major zones in Inner Mongolia (meadow steppe, steppe and desert-steppe), values for other categories and values identified by researchers, including Zhu and others (Zhu et al 2006) (Table 1). Mongolia has four seasons, when the plant growth period lasts in April-October; this has been taken into account for selection of growth period (Bao et al 2019).…”
Section: The Casa Modelmentioning
confidence: 99%