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author:

Liu, Lemian (Liu, Lemian.) [1] | Zhu, Siqi (Zhu, Siqi.) [2] | Gu, Yifan (Gu, Yifan.) [3] | Tao, Shuqin (Tao, Shuqin.) [4] | Krock, Bernd (Krock, Bernd.) [5] | Wang, Changyou (Wang, Changyou.) [6] | Shi, Xinguo (Shi, Xinguo.) [7] | Yan, Qi (Yan, Qi.) [8] | Pan, Xiusong (Pan, Xiusong.) [9] | Chen, Jianfeng (Chen, Jianfeng.) [10] | Lin, Senjie (Lin, Senjie.) [11] | Luo, Zhaohe (Luo, Zhaohe.) [12]

Indexed by:

Scopus SCIE

Abstract:

Existing data and models suggest increasing prominence of dinoflagellates and their blooms in future warmer ocean but supporting long-term data are sparse. Here, we used 18S rRNA gene sequencing to investigate sedimentary ancient dinoflagellate communities in northern South China Sea and compared them with contemporary dinoflagellate data from global oceans (TARA Oceans data) and 40 years of dinoflagellate bloom records in China. We found a continuous warming (by similar to 4.3 degrees C in mean annual sea surface temperature) from 12 to 4.3 kiloyears before present (kyr BP), which caused an initial increase in the relative abundance and diversity of dinoflagellates, followed by a decrease reaching the lowest value, probably due to thermal stress. However, dinoflagellates flourished again after 4.3 kyr BP, coinciding with a rapid increase in human activities. Further analyses indicated that warming and environmental changes during the Holocene favored dinoflagellate generalists over specialists. These generalists have also been abundant throughout contemporary low- and mid-latitude regions, whereas specialists were more abundant at higher latitudes. The predominant generalist genera Noctiluca, Gymnodinium, and Prorocentrum in core sediment corresponded to taxa responsible for most dinoflagellate blooms in the contemporary China Seas over the past 40 years. The success of generalists during warmer periods suggests that dinoflagellate blooms are likely to expand geographically rather than simply shift toward high latitudes under global warming. Moreover, the homogenization of dinoflagellate communities resulting from generalist expansion may significantly reduce the complexity of marine plankton interactions and compromise ecosystem services under global warming.

Keyword:

climate warming dinoflagellate harmful algal bloom human activity sedimentary ancient DNA South China Sea

Community:

  • [ 1 ] [Liu, Lemian]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Zhu, Siqi]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Shi, Xinguo]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Yan, Qi]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Pan, Xiusong]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Chen, Jianfeng]Fuzhou Univ, Coll Biol Sci & Engn, Wulongjiang North Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Gu, Yifan]Univ Connecticut, Dept Marine Sci, 1084 Shennecossett Rd, Groton, CT 06340 USA
  • [ 8 ] [Lin, Senjie]Univ Connecticut, Dept Marine Sci, 1084 Shennecossett Rd, Groton, CT 06340 USA
  • [ 9 ] [Tao, Shuqin]Minist Nat Resources, Inst Oceanog 3, 178 Daxue Rd, Xiamen 361005, Fujian, Peoples R China
  • [ 10 ] [Luo, Zhaohe]Minist Nat Resources, Inst Oceanog 3, 178 Daxue Rd, Xiamen 361005, Fujian, Peoples R China
  • [ 11 ] [Krock, Bernd]Alfred Wegener Inst, Helmholtz Zentrum Polar & Meeresforsch, Handelshafen 12, D-27570 Bremerhaven, Germany
  • [ 12 ] [Wang, Changyou]Nanjing Univ Informat Sci & Technol, Sch Marine Sci, 219 Ningliu Rd, Nanjing 210044, Jiangsu, Peoples R China

Reprint 's Address:

  • [Lin, Senjie]Univ Connecticut, Dept Marine Sci, 1084 Shennecossett Rd, Groton, CT 06340 USA;;[Luo, Zhaohe]Minist Nat Resources, Inst Oceanog 3, 178 Daxue Rd, Xiamen 361005, Fujian, Peoples R China

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Source :

ISME JOURNAL

ISSN: 1751-7362

Year: 2025

Issue: 1

Volume: 19

1 0 . 8 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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