YIC-IR  > 中科院海岸带环境过程与生态修复重点实验室
The influence of nutrient addition on the invasion of Spartina alterniflora towards non-tidal marsh in the Chinese Yellow River Delta
Liwen Zhang; Bingchen Wang
2019
Source PublicationJournal of Coastal Conservation
Volume23Issue:3Pages:623–631
Abstract

Spartina alterniflora is a notoriously invasive species in the low marsh of China, and meanwhile anthropogenic eutrophication is an urgent and prevalent environmental problem in the coastal wetlands. Soils in the coastal wetland are nutrient-poor, nutrient enrichment may enhance the spread of S. alterniflora towards the non-tidal marsh of the Yellow River Delta. We conducted a 2-year transplant and nutrient addition field experiment to investigate the influence of nutrient enrichment and interspecific interactions on the performance (growth, survival or inflorescence) of S. alterniflora. We found that nutrient addition and species competition did not have significant effects on the variation in performances of S. alterniflora. However, vegetative zones (Suaeda salsa and Phragmites australis), years (2013 and 2014) significantly contributed to the variation. The biomass per stem, survival and inflorescence were much higher in the P. australis than the S. salsa zone (biomass per stem: 1.86 ± 0.17 g vs. 0.82 ± 0.15 g; survivorship: 79% vs. 36%; inflorescence: 40% vs. 2%), and in 2013 than 2014 (biomass per stem: 1.72 ± 0.19 g vs. 0.91 ± 0.13 g; survivorship: 65% vs. 50%; inflorescence: 36% vs. 6.94%), which may be due to the combination of less flooding frequency and high salinity in the S. salsa zone and year 2014. These findings implied that eutrophication may not enhance the spread of S. alterniflora towards the non-tidal wetlands in the Chinese Yellow River Delta.

Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24103
Collection中科院海岸带环境过程与生态修复重点实验室
Corresponding AuthorLiwen Zhang
Affiliation1.Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences
2.University of Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liwen Zhang,Bingchen Wang. The influence of nutrient addition on the invasion of Spartina alterniflora towards non-tidal marsh in the Chinese Yellow River Delta[J]. Journal of Coastal Conservation,2019,23(3):623–631.
APA Liwen Zhang,&Bingchen Wang.(2019).The influence of nutrient addition on the invasion of Spartina alterniflora towards non-tidal marsh in the Chinese Yellow River Delta.Journal of Coastal Conservation,23(3),623–631.
MLA Liwen Zhang,et al."The influence of nutrient addition on the invasion of Spartina alterniflora towards non-tidal marsh in the Chinese Yellow River Delta".Journal of Coastal Conservation 23.3(2019):623–631.
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