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Species diversity and community structure of microalgae living on microplastics in Luoyuan Bay, China

Marine Pollution Bulletin 2022 17 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Kang Wang, Zhong Pan, Zhong Pan, Zhong Pan, Sumin Wang, Zhong Pan, Zhong Pan, Zhong Pan, Zhong Pan, Kang Wang, Kang Wang, Zhong Pan, Kang Wang, Hui Lin Baohong Chen, Zhong Pan, Zhong Pan, Zhong Pan, Sumin Wang, Sumin Wang, Yahui Gao, Hui Lin Kang Wang, Sumin Wang, Hui Lin Hui Lin Hui Lin Sumin Wang, Qianqian Zhou, Hui Lin Zhong Pan, Xu Dong, Hui Lin Qianqian Zhou, Qianqian Zhou, Xu Dong, Hui Lin Hui Lin Hui Lin Hui Lin Hui Lin Baohong Chen, Baohong Chen, Hui Lin Lin Sun, Qianqian Zhou, Zhong Pan, Hui Lin Yahui Gao, Hui Lin Hui Lin Hui Lin Hui Lin Sumin Wang, Zhong Pan, Hui Lin Zhong Pan, Yanghang Chen, Hui Lin Zhong Pan, Hui Lin Zhong Pan, Baohong Chen, Hui Lin Hui Lin Baosi Su, Baosi Su, Hui Lin Hui Lin Zhong Pan, Hui Lin Baohong Chen, Yahui Gao, Zhong Pan, Hui Lin

Summary

Researchers analyzed the species diversity and community structure of microalgae colonizing microplastics (epimicroplastic microalgae) versus planktonic microalgae communities in Luoyuan Bay, China. They found that microplastic-colonizing communities had higher species richness (73 vs. 56 species) but significantly lower evenness and diversity indices, with diatoms dominant in both communities but with distinct species compositions.

This study was carried out in Luoyuan Bay in March 2021. The species composition of microalgae community colonizing on microplastics called epimicroplastic microalgae (EMP-MA) was analyzed and compared with planktonic microalgae (PM) community. The species number of EMP-MA community (73) was higher than that of PM community (56). However Simpson Index and Pielou Evenness Index of EMP-MA community were significantly lower than that of PM community (P < 0.05). Although diatom was the most diverse and abundant taxa in both EMP-MA and PM community, their species compositions were significantly different (P < 0.05). Dominant species were also different between the two communities. Moreover, 12 harmful algal species were found in EMP-MA community, which may drift with microplastics and increase the risks of harmful algal blooms (HABs). This study is helpful to reveal the dispersal mechanism of HABs and potential impacts of EMP-MA on marine ecosystem.

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