Forest and Grassland Resources Research >
Soil Microbial Biomass Carbon,Nitrogen and Nutrient Characteristics of Different Plant Communities in Dongzhai Port
Received date: 2021-09-10
Revised date: 2021-10-29
Online published: 2022-01-12
This paper conducted the analysis of soil physical and chemical properties,soil microbial biomass,carbon and nitrogen,and nutrient content of different mangrove plant communities in Dongzhai Port. The results showed that:1) The variation ranges of soil microbial biomass carbon and nitrogen (MBC and MBN) were 135.83-1 171.24 mg/kg and 35.13-232.89 mg/kg,respectively. The variation laws of MBC and MBN contents among different plant communities were basically the same and there were significant differences. Among them,the soil MBC and MBN contents of Avicennia marina and Rhizophora stylosa communities were the lowest. 2)The average soil TC∶TN∶TP of Dongzhai Port was 76∶4∶1,average MBC∶MBN was 5∶1. There were significant differences in soil nutrients,microbial biomass carbon and nitrogen,and in their stoichiometric ratios among communities with different tree species at different locations.3)Correlation analysis showed that there was a close relationship between soil microbial biomass carbon and nitrogen and soil nutrients in Dongzhai Port mangrove wetland,which could be used as an early biological indicator of soil carbon and nitrogen change in this area.
Xiaohua CHEN , Zongzhu CHEN , Jinrui LEI , Tingtian WU , Yuanling LI . Soil Microbial Biomass Carbon,Nitrogen and Nutrient Characteristics of Different Plant Communities in Dongzhai Port[J]. Forest and Grassland Resources Research, 2021 , 0(6) : 97 -104 . DOI: 10.13466/j.cnki.lyzygl.2021.06.016
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