海洋区域形成了南极塑料圈的组成。

IF 8.9 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES
Communications Earth & Environment Pub Date : 2025-01-01 Epub Date: 2025-06-14 DOI:10.1038/s43247-025-02445-4
Ana L Lacerda, Maíra C Proietti, Felipe Kessler, Carlos R Mendes, Eduardo R Secchi, Joe D Taylor
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引用次数: 0

摘要

曾经被认为是原始的南极洲,受到塑料污染的威胁越来越大,在其水域、沉积物、海冰和生物群中发现了塑料碎片。在这里,我们提供了南极半岛周围塑料的原核和真核生物多样性的全面分子调查,解决了现有研究的空白。利用eDNA元条形码技术,我们发现了不同的群落,假单胞菌和拟杆菌纲在原核生物群落中占主导地位,而Gyrista(主要是硅藻)、真菌和节肢动物在真核生物中普遍存在。地理位置对群落组成有显著影响,在布兰斯菲尔德海峡和杰拉切海峡/别令斯豪森海之间存在差异。聚合物类型和塑料形状对物种丰富度和群落结构没有影响。这些发现为了解南极塑料圈的复杂性提供了新的见解,突出了对生物多样性、生态系统功能的潜在影响,以及海洋塑料污染的更广泛影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Oceanic regions shape the composition of the Antarctic plastisphere.

Antarctica, once considered pristine, is increasingly threatened by plastic pollution, with debris found in its waters, sediments, sea ice, and biota. Here, we provide a comprehensive molecular survey of both prokaryotic and eukaryotic diversity on plastics around the Antarctic Peninsula, addressing a gap in existing research. Using eDNA metabarcoding, we identified diverse communities, with Pseudomonadota and Bacteroidota dominating prokaryotic communities, while Gyrista (mostly diatoms), Fungi and Arthropods were prevalent among eukaryotes. Geographic location significantly influenced community composition, with differences between the Bransfield Strait and the Gerlache Strait/Bellingshausen Sea. Polymer type and plastic shape did not impact species richness or community structure. These findings offer new insights into the complexity of the Antarctic plastisphere, highlighting potential impacts on biodiversity, ecosystem functions, and the broader implications of marine plastic pollution.

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来源期刊
Communications Earth & Environment
Communications Earth & Environment Earth and Planetary Sciences-General Earth and Planetary Sciences
CiteScore
8.60
自引率
2.50%
发文量
269
审稿时长
26 weeks
期刊介绍: Communications Earth & Environment is an open access journal from Nature Portfolio publishing high-quality research, reviews and commentary in all areas of the Earth, environmental and planetary sciences. Research papers published by the journal represent significant advances that bring new insight to a specialized area in Earth science, planetary science or environmental science. Communications Earth & Environment has a 2-year impact factor of 7.9 (2022 Journal Citation Reports®). Articles published in the journal in 2022 were downloaded 1,412,858 times. Median time from submission to the first editorial decision is 8 days.
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