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Sandy Subterranean Estuaries Minimize Groundwater Nitrogen Pollution Impacts on Coastal Waters

Xiaogang Chen, Isaac R. Santos, Jinzhou Du, Bochao Xu, Ding He, Neven Cukrov, Christian J. Sanders, Jianan Liu, Yan Zhang, and Ling Li

Abstract

Widespread anthropogenic activities pollute groundwater that eventually seeps out to the coastal ocean. Here, we resolve nutrient transformations and fluxes in 11 sandy subterranean estuaries (STEs) with contrasting nutrient sources and development trajectories …

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High Methane Production and Emission From Tropical Seagrasses Through Methylotrophic Methanogenesis

Guiyuan Dai, Xiaogang Chen, Guangchao Zhuang, Yan Zhang, Peiyuan Zhu, Feng Ju, and Ling Li

Abstract

Methane (CH4) is a potent greenhouse gas that reduces the carbon sequestration capacity of seagrass meadows. However, our understanding of CH4 production and emission from these important carbon sinks is limited. Here we conducted biogeochemical experiments to identify methylotrophic methanogenesis as the primary methanogenesis pathway in a tropical seagrass meadow…

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Size Distributions Reveal Regime Transition of Lake Systems Under Different Dominant Driving Forces

Shengjie Hu, Zhenlei Yang, Sergio Torres, Zipeng Wang, and Ling Li

Abstract

Power law size distribution is found to associate with fractal, self-organized behaviors and patterns of complex systems. Such distribution also emerges from natural lakes, with potentially important links to the dynamics of lake systems. But the driving mechanism that generates and shapes this feature in lake systems remains unclear…

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