The positive and negative effects of exotic Spartina alterniflora in China

Wan, Shuwen; Qin, Pei; Liu, Jine; Zhou, Hongxiang

doi:10.1016/j.ecoleng.2008.05.020

Cited by 134 publications

(66 citation statements)

References 17 publications

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“…1) is a perennial C4 grass native to upper intertidal salt marshes across the Atlantic and Gulf coasts of North America. It was firstly introduced as ecological engineering species to prevent shoreline erosion, but quickly invaded the coastal ecosystems (Wan et al, 2009). Now it is found in coastal marshes almost all over the world.…”

Section: Introductionmentioning

confidence: 99%

“…In 1979 S. alterniflora was introduced to China from the United States, also for ecological engineering purposes including reducing tidal wave energy, mitigating erosion, trapping sediments, reclaiming tidal flats and protecting dike Chung, 2006). With anthropogenic transplanting, natural dispersing and hybridizing with native species, S. alterniflora successfully invaded in nine of the fourteen coastal provinces of China (Wan et al, 2009), forming monocultures and expanding its coverage to more than 112 000 ha by 2000 . For its great negative effects on biodiversity and other ecosystem services, S. alterniflora is now regarded as one of the top 16 most harmful exotic plants in China (Wang et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Several control methods have been used to prevent and mitigate the spread of S. alterniflora, including burning, harvesting, grazing by snails, herbicide application (not permitted now for health consideration), freshwater irrigation, and some combined methods, e.g. substituted by Phragmites australis after hydrology changing, but all with unclear effectiveness Silliman and Zieman, 2001;Wan et al, 2009). Therefore, as an invasive plant, S. alterniflora is thought to be hard to eradicate (Qin and Chung, 1992).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Eradicating invasive Spartina alterniflora with alien Sonneratia apetala and its implications for invasion controls

Chen

Liao

Liu

et al. 2014

Ecological Engineering

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Eradicating invasive Spartina alterniflora with alien Sonneratia apetala and its implications for invasion controls

Chen

Liao

Liu

et al. 2014

Ecological Engineering

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“…Spartina alterniflora is a perennial salt marsh grass, widely distributed in nine coastal provinces present in East and South of China (Wan et al 2009). The displacement of the native plant species has caused a number of ecological impacts on these ecosystems (Wan et al 2009;Zhang et al 2012).…”

mentioning

confidence: 99%

“…The displacement of the native plant species has caused a number of ecological impacts on these ecosystems (Wan et al 2009;Zhang et al 2012). In our previous studies, we have only compared the plant uptake of PAHs from sediment and microbial activity in roots of S. alterniflora (Hong et al 2015).…”

mentioning

confidence: 99%

Responses of endophytic and rhizospheric bacterial communities of salt marsh plant (Spartina alterniflora) to polycyclic aromatic hydrocarbons contamination

Ouyang

Hong

et al. 2015

J Soils Sediments

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Purpose Plants and their root-associated microbes play important roles in the remediation of polycyclic aromatic hydrocarbons (PAHs) present in the sediments of contaminated coastal wetlands. The detailed information about the effects of PAHs on root-associated bacterial communities could help to isolate PAH-degrading bacteria and optimize the process of phytoremediation. Materials and methods The community structures of rhizospheric (RB) and endophytic bacteria (EB) of salt marsh plant (Spartina alterniflora) grown in phenanthrene (PHE)-and pyrene (PYR)-contaminated sediments (for 70 days) were investigated using the barcoded Illumina paired-end sequencing technique. Results and discussion The diversity and community structure of EB and RB were more sensitive to PHE and PYR contamination as compared to those in the sediments. All samples were strongly clustered according to EB, RB, and sediments, suggesting the niche-specific influence of PAHs on bacterial communities. Potential PAH-degrading bacteria (Pseudomonas sp., Paenibacillus sp., and Flavobacterium sp.) in EB and RB were stimulated by PAH contamination. The results revealed an increase prevalence of specific bacteria which may be responsible for PAH degradation. PHE contamination increased the abundance of Proteobacteria in EB but decreased the number of Firmicutes, Bacteroidetes, and Chloroflexi. The numbers of Proteobacteria and Firmicutes in EB were enhanced by PYR treatment. However, both PHE and PYR treatment showed similar effects on the bacterial communities in RB.Conclusions The results suggested that PAH pollution could alter root-associated bacterial communities of S. alterniflora, whose EB might play an important role in the phytoremediation of PAH-contaminated sediments.

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Current progress and future prospects for understanding genetic diversity of seed plants in China

Xiong,

Zhao,

et al. 2024

Biological Diversity

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Genetic diversity represents the fundamental basis of biological variation within species, and is therefore the ultimate representation of biodiversity. Despite that all forms of diversity being defined by genomic differences, genetic diversity has received relatively less attention compared with species and ecosystem diversity. Here, we review recent literature and conclude that progress in understanding genetic diversity of seed plants, is strongly associated with advances in sequencing technology. We here present case studies to illustrate the application of genetic diversity for tracing crop domestication and delimiting species boundaries. Understanding genetic diversity is particularly critical for the field of conservation biology, and there is a clear shift to population‐level genetic studies to understand rare species. We then document additional factors that potentially influence genetic diversity, including climate change, habitat fragmentation, and species invasion. Finally, we identify current research limitations and propose directions for future studies. We highlight the need to develop broad‐scale genetic diversity knowledge, combined with other aspects of diversity to improve biodiversity conservation outcomes. We conclude that populating global databases with genomic‐scale sequence data for all species is an urgent and achievable goal now.

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The positive and negative effects of exotic Spartina alterniflora in China

Cited by 134 publications

References 17 publications

Eradicating invasive Spartina alterniflora with alien Sonneratia apetala and its implications for invasion controls

Eradicating invasive Spartina alterniflora with alien Sonneratia apetala and its implications for invasion controls

Responses of endophytic and rhizospheric bacterial communities of salt marsh plant (Spartina alterniflora) to polycyclic aromatic hydrocarbons contamination

Current progress and future prospects for understanding genetic diversity of seed plants in China

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