Funding for this research was provided by:
National Natural Science Foundation of China (No. 51604038)
National Natural Science Foundation of China (No.51541408)
Laboratory for Marine Geology (MGQNLMKF201705)
Wenhai Program of Qingdao National Laboratory for Marine Science and Technology (2017WHZZB0401)
Department of Education in Hubei Province (D20141303)
Research Fund for the Taishan Scholar Project of Shandong Province (TSPD20161007)
Article History
Received: 24 June 2019
Accepted: 18 February 2020
First Online: 27 February 2020
Compliance with ethical standards
:
: The authors would like to declare no conflict of interest exists in the submission of this manuscript and approved for publication.