Funding for this research was provided by:
National Natural Science Foundation of China (no. 31700104)
open task of Qingdao National Laboratory for Marine Science and Technology (QNLM2016ORP0311)
National Key Research and Development Program of China (2016YFA0601402)
CNOOC Tianjin project (CNOOC-KJ 125 FZDXM 00TJ 001-2014)
Text and Data Mining valid from 2018-08-07
Received: 14 May 2018
Accepted: 1 August 2018
First Online: 7 August 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants and/or animals performed by any of the authors. The formal consent is not required in this study.