NDLI: Spatial Distributions of Nitrogen and Phosphorus in Surface Sediments in Intertidal Flats of the Yellow River Delta, China

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Spatial Distributions of Nitrogen and Phosphorus in Surface Sediments in Intertidal Flats of the Yellow River Delta, China

Content Provider	MDPI
Author	Fu, Gang Qi, Yue Li, Junsheng Zhao, Caiyun He, Jing Ma, Yiwen Zhu, Jinfang
Copyright Year	2021
Description	The spatial distributions of nitrogen (N) and phosphorus (P) in surface sediments are of great significance in studying the ecological process of nutrient cycling in intertidal flats. However, little is known about N and P’s spatial distribution in intertidal flats of the Yellow River Delta (YRD). We analyzed the N and P contents in surface sediments and S껚 glauca density at the low-tidal level to identify the spatial distributions of nutrients and their influencing factors in coastal tidal flat sediments. The results showed that the total nitrogen (TN) and total phosphorus (TP) concentrations in this study were both lower than the background values of China’s shallow sea sediments. The spatial distributions of N and P had significantly spatial heterogeneity, while those of the nutrients at different distances from the low-tidal level to the coastline showed no significant distance effects. The spatial distribution of S. glauca in coastal tidal flats had significant location characteristics and was closely related to the distribution of TN and pH. The TN in non-estuarine intertidal flats was less than that in estuaries; in contrast, the TP was higher in non-estuaries. There are some differences of N and P between estuary and non-estuary areas.
Starting Page	2899
e-ISSN	20734441
DOI	10.3390/w13202899
Journal	Water
Issue Number	20
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2021-10-15
Access Restriction	Open
Subject Keyword	Water Environmental Engineering Coastal Wetland Nitrogen Non-estuary Phosphorus Spatial Pattern Yellow River Delta
Content Type	Text
Resource Type	Article

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