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has been cited by the following article:

• TITLE: Net Ecosystem CO2 Flux and Effect Factors in Peatland Ecosystem of Central China

  AUTHORS: Ihab Alfadhel, Jiwen Ge, Sakinatu Issaka

  KEYWORDS: Dajiuhu Peatland, Ecosystem Respiration, Eddy Covariance, Gross Primary Product, Net Ecosystem CO2 Exchange

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.8 No.8, August 31, 2020

  ABSTRACT: Peatland ecosystems play an important role in the global carbon cycle because they act as a pool or sink for the carbon cycle. However, the relationship between seasonality effect factors and net ecosystem CO2 exchange (NEE) remains to be clarified, particularly for the non-growing season. Here, based on the eddy covariance technique, NEE in the peatland ecosystem of Central China was examined to measure two years’ (2016 and 2017) accumulation of carbon dioxide emissions with contrasting seasonal distribution of environmental factors. Our results demonstrate the cumulative net ecosystem CO2 emissions during the study period was in the first non-growing season 2.94 ± 4.83 μmolCO2 m-2.s-1 with the lowest values in the same year in first growing season was -2.79 ± 4.92 μmolCO2 m-2.s-1. The results indicate the effect of seasonal variations of NEE can be directly reflected in daily and seasonal variations in growth and respiration of peatland ecosystem by environmental parameters over different growing stages.