揭示中国海域海洋浮游植物的热敏性差异

IF 5.1 2区 地球科学 Q1 LIMNOLOGY
Changyun Wang, Shujie Cai, Zhuyin Tong, Jixin Chen, Lizhen Lin, Wupeng Xiao, Xin Liu, Bangqin Huang
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引用次数: 0

摘要

本研究探讨了天然海水中不同浮游植物群的热敏性,这是了解气候变化下海洋生态系统动态的一个重要方面。利用来自中国海域的十年色素数据集(2002-2015 年),并采用广义加性混合模型和最大熵模型,我们发现了九个浮游植物群的热敏性差异,其中包括全尺寸光谱。我们的研究结果表明,隐花植物对温度异常敏感,温度变化与生物量差异之间具有很强的相关性。隐花植物的特点是喜欢凉爽的水域,它们的平均温度生态位较低,生态位广度较窄。值得注意的是,隐花植物的温度临界点最低,这表明它们更容易受到气候变暖趋势的影响。这些发现强调了隐花植物这个经常被忽视的群体在了解生态系统对气候变化的反应方面的重要性,并强调了它们在全球变暖下作为海洋生态研究关键指标的潜在作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Unveiling differential thermal sensitivities in marine phytoplankton within the China Seas

Unveiling differential thermal sensitivities in marine phytoplankton within the China Seas

In this study, we explored the realized thermal sensitivities of various phytoplankton groups in natural seawater, a crucial aspect for understanding the dynamics of marine ecosystems under climate change. Utilizing a decadal pigment dataset (2002–2015) from China Seas and employing generalized additive mixed models coupled with maximum entropy modeling, we discerned thermal sensitivity differentiations among nine phytoplankton groups, encompassing the full-size spectrum. Our findings revealed that cryptophytes were exceptionally thermally sensitive, with a strong correlation between temperature changes and biomass variance. Characterized by a preference for cooler waters, cryptophytes had a low mean temperature niche and a narrow niche breadth. Notably, they exhibited the lowest temperature tipping point, highlighting their heightened vulnerability to warming trends. These findings underscored the significance of cryptophytes, an often-overlooked group, in understanding ecosystem responses to climate shifts, and emphasized their potential role as key indicators in marine ecological studies under global warming.

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来源期刊
CiteScore
10.00
自引率
3.80%
发文量
63
审稿时长
25 weeks
期刊介绍: Limnology and Oceanography Letters (LO-Letters) serves as a platform for communicating the latest innovative and trend-setting research in the aquatic sciences. Manuscripts submitted to LO-Letters are expected to present high-impact, cutting-edge results, discoveries, or conceptual developments across all areas of limnology and oceanography, including their integration. Selection criteria for manuscripts include their broad relevance to the field, strong empirical and conceptual foundations, succinct and elegant conclusions, and potential to advance knowledge in aquatic sciences.
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