Characteristics of Vegetation Carbon, Nitrogen, and C/N Ratio in a Tamarix chinensis Coastal Wetland of China,Clean - Soil Air Water

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Characteristics of Vegetation Carbon, Nitrogen, and C/N Ratio in a Tamarix chinensis Coastal Wetland of China
Clean - Soil Air Water ( IF 1.5 ) Pub Date : 2019-09-16 , DOI: 10.1002/clen.201800452
Linping Xie _{1,

2} , Baodong Wang _{2,

3} , Ming Xin ₂ , Min Wang _{2,

4} , Xiuping He ₂ , Qinsheng Wei _{2,

3} , Xiaoyong Shi _{1,

5} , Xia Sun ₂

Affiliation

Variations in carbon (C) and nitrogen (N) of the vegetation in a Tamarix chinensis coastal wetland located in Laizhou Bay, China, are analyzed. It is found that T. chinensis accumulates more C and N than the surrounding herbs, and it allocates more C and N in the aboveground parts but less in the roots. Branches store more C, whereas leaves and flowers accumulate more N than other tissues. The C and N contents in the aboveground parts of T. chinensis are mainly influenced by pH, electrical conductivity (EC), water content, and clay content in the top 100 cm of soil as well as the distance from the sea. For the herbs, their C contents vary little in the supratidal zone, but they are higher than those in the intertidal zone. However, N contents in the herbs are higher in the aboveground parts and varied among different communities. The contents of C and N in the herbs are affected by EC, water content as well as the contents of organic C and total nitrogen (TN) in the top 10 cm of soil. The findings confirm that increasing the biomass of T. chinensis is an effective way to increase C sequestration in temperate coastal wetland.

更新日期：2019-09-16

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