Affiliation:
1. Beijing University of Civil Engineering and Architecture
2. Heilongjiang zhalong natural reserve administative bureau
3. Heilongjiang zhalong national natural reserve administrative bureau
4. Heilongjiang zhalong national natural reserve administrative
Abstract
Abstract
The increase in temperature caused by global climate change has promoted the salinization of wetlands. Inland saline-alkaline wetlands have an environment of over-humidity and shallow water and are hot spots for CH4 emissions. However, there are few reports on the effect of salinity on CH4 emissions in inland saline-alkaline wetlands. This study revealed the effects of salinity, habitat, and their interactions on CH4 emissions, and explored the response of methanogenic archaea to salinity. Overall, salinity inhibited CH4 emissions. But there were different responses in the three habitat soils. Salinity decreased the relative abundance of methanogenic archaea and changed the community structure. In addition, salinity changed soil pH and dissolved organic carbon (DOC) and ammonium (NH4+) concentrations, which were significantly correlated with methanogenic archaea. Our study showed that salinity changed the soil physicochemical properties and characteristics of the methanogenic archaeal community, affecting CH4 emissions.
Publisher
Research Square Platform LLC
Cited by
1 articles.
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