The average rates were 19.6 g C m −2 yr −1 and 3.14 g N m −2 yr −1 after the 1970s, which were significantly higher than the rate before the 1970s, showing an increasing trend.
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Carbon and Nitrogen Burial and Response to Climate Change and Anthropogenic Disturbance in Chaohu Lake, China.
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The sentences
The vertical distribution of the C/N molar ratios at two sediment cores presented similar characters ( Figure 4 c), showing a decreasing trend from the bottom to the top for both cores.