Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve

Yao, Xiuying; Yan, Dandan; Li, Jingtai; Liu, Yao; Sheng, Yufeng; Xie, Siying; Luan, Zhaoqing

doi:10.3390/w14020197

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Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve

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College of Biology and the Environment, Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China

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Academic Editors: Junhong Bai, Tian Xie and Laibin Huang

Water 2022, 14(2), 197; https://doi.org/10.3390/w14020197

Received: 29 November 2021 / Revised: 29 December 2021 / Accepted: 4 January 2022 / Published: 11 January 2022

(This article belongs to the Special Issue Ecohyrological Processes, Environmental Effects, and Integrated Regulation of Wetland Ecosystems)

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Abstract

The invasion and expansion of Spartina alterniflora in coastal salt marsh wetlands have greatly affected the material cycle of the ecosystem. A total of 372 topsoil samples were collected from 124 sites representing two land-cover types by implementing an unprecedented high sampling density study in the Dafeng Milu National Nature Reserve. Classical statistics and geostatistics were used to quantify soil organic carbon (SOC) and total nitrogen (TN) spatial distribution. Redundancy analysis (RDA) was used to detect correlations between environmental factors, SOC, and TN. The results showed that SOC and TN have moderate variability. The spatial distributions of SOC and TN were similar, and the highest values were observed in the southwest of the study area. In different land cover types, the SOC and TN in the vegetation coverage areas with Spartina alterniflora as the dominant species were significantly higher than those in bare land. RDA showed that TN and aboveground biomass significantly affected the spatial distribution of SOC, while SOC and AGB dominated the spatial distribution of TN. View Full-Text

Keywords: Dafeng Milu National Nature Reserve; soil organic carbon; total nitrogen; geostatistics; redundancy analysis

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MDPI and ACS Style

Yao, X.; Yan, D.; Li, J.; Liu, Y.; Sheng, Y.; Xie, S.; Luan, Z. Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve. Water 2022, 14, 197. https://doi.org/10.3390/w14020197

AMA Style

Yao X, Yan D, Li J, Liu Y, Sheng Y, Xie S, Luan Z. Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve. Water. 2022; 14(2):197. https://doi.org/10.3390/w14020197

Chicago/Turabian Style

Yao, Xiuying, Dandan Yan, Jingtai Li, Yao Liu, Yufeng Sheng, Siying Xie, and Zhaoqing Luan. 2022. "Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve" Water 14, no. 2: 197. https://doi.org/10.3390/w14020197

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Spatial Distribution of Soil Organic Carbon and Total Nitrogen in a Ramsar Wetland, Dafeng Milu National Nature Reserve

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