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| Authors | Yue, SD; Zhou, Y; Zhang, Y; Xu, SC; Gu, RT; Xu, S; Zhang, XM; Zhao, P |
| Author Full Name | Yue, Shidong; Zhou, Yi; Zhang, Yu; Xu, Shaochun; Gu, Ruiting; Xu, Shuai; Zhang, Xiaomei; Zhao, Peng |
| Title | Effects of salinity and temperature on seed germination and seedling establishment in the endangered seagrass Zostera japonica Asch. & Graebn. in northern China |
| Source | MARINE POLLUTION BULLETIN |
| Language | English |
| Document Type | Article |
| Author Keywords | Seagrass; Zostera japonica; Seed germination; Seedling establislunent; Salinity; Temperature; Restoration |
| Keywords Plus | MARINA EELGRASS; GENETIC DIVERSITY; RESTORATION; CONSERVATION; CONNECTIVITY; ADAPTATION; ECOSYSTEMS; RESPONSES; EXPOSURE; HABITAT |
| Abstract | Seagrass meadows are recognized as critical and among the most vulnerable habitats on the planet. As a worldwide concern, there is an urgent need to develop techniques to restore and preserve these vital coastal ecosystems due to their alarming decline rate. To effectively preserve and restore seagrasses, more research is required on the germination ecology of seeds. The seagrass Zostera japonica Asch. & Graebn is an endangered species in its native range, the Northwestern Pacific Coast. The present study investigated the germination and seedling establishment in Z. japonica seeds (collected from northern China) under different temperature and salinity conditions to explore suitable seed germination and establishment conditions, as well as the seedling formation process. Results showed that salinity had a more significant influence on seed germination rate. Germination rate decreased with an increase in salinity, and seeds did not germinate when salinity was higher than 40 psu. Temperature was more likely to influence germination speed, which increased with an increase in temperature, with high germination rates and the most rapid germination speed observed at 30 degrees C. Therefore, the optimal culture conditions were 10 psu salinity at 30 degrees C for germination and 10-20 psu salinity at 20 degrees C for seedling establishment, with a seed germination rate of 45.6% after 6 days of germination culture and a seedling establishment rate of 14.3% after 6 days of seedling culture, respectively. A new seedling raising method with low salinity (5 psu) germination and high salinity (20 psu) seedling establishment was proposed and a flow chart of seedling formation of Z. japonica was created. The results provide insight into the seed germination and seedling establishment in Z. japonica, and will facilitate future large-scale seedling culture and field restoration activities for this seagrass species. |
| Author Address | [Yue, Shidong; Zhou, Yi; Zhang, Yu; Xu, Shaochun; Gu, Ruiting; Xu, Shuai; Zhang, Xiaomei] Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China; [Yue, Shidong; Zhou, Yi; Zhang, Yu; Xu, Shaochun; Gu, Ruiting; Xu, Shuai; Zhang, Xiaomei] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China; [Yue, Shidong; Zhang, Yu; Xu, Shaochun; Gu, Ruiting; Xu, Shuai] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Zhou, Yi; Zhang, Xiaomei] Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China; [Zhao, Peng] State Ocean Adm, Inst Oceanog 4, Beihai, Peoples R China |
| Reprint Address | Zhou, Y (corresponding author), Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China. |
| E-mail Address | yizhou@qdio.ac.cn |
| ResearcherID Number | Zhou, Yi/F-4219-2011 |
| ORCID Number | Zhou, Yi/0000-0001-7300-0173 |
| Funding Agency and Grant Number | National Key Research and Development Program of China [2017YFF0206905]; Key Research and Development Plan of Shandong Province [2017GHY15111]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41606192/41176140]; National Science & Technology Basic Work Program [2015FY110600]; Key Research Project of Frontier Sciences of CAS [QYZDB-SSW-DQC041-1]; NSFC-Shandong Joint Fund for Marine Science Research Centers [U1606404]; Science and Technology Service Network Initiative of CAS [KFJ-STS-ZDTP-023]; Taishan Scholar Project of Shandong Province (Distinguished Taishan Scholars); Creative Team Project of the Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology [LMEES-CTSP-2018-1] |
| Funding Text | We would like to thank Xiaoyue Song for the help in the field survey. This research was supported by the National Key Research and Development Program of China (2017YFF0206905), the Key Research and Development Plan of Shandong Province (2017GHY15111), the National Natural Science Foundation of China (Nos. 41606192/41176140), the National Science & Technology Basic Work Program (2015FY110600), the Key Research Project of Frontier Sciences of CAS (QYZDB-SSW-DQC041-1), the NSFC-Shandong Joint Fund for Marine Science Research Centers (No. U1606404), the Science and Technology Service Network Initiative of CAS (KFJ-STS-ZDTP-023), the Taishan Scholar Project of Shandong Province (Distinguished Taishan Scholars), and the Creative Team Project of the Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology (No. LMEES-CTSP-2018-1). |
| Times Cited | 11 |
| Total Times Cited Count (WoS, BCI, and CSCD) | 13 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Publisher City | OXFORD |
| Publisher Address | THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND |
| ISSN | 0025-326X |
| 29-Character Source Abbreviation | MAR POLLUT BULL |
| ISO Source Abbreviation | Mar. Pollut. Bull. |
| Publication Date | SEP |
| Year Published | 2019 |
| Volume | 146 |
| Beginning Page | 848 |
| Ending Page | 856 |
| Digital Object Identifier (DOI) | 10.1016/j.marpolbul.2019.07.037 |
| Page Count | 9 |
| Web of Science Category | Environmental Sciences; Marine & Freshwater Biology |
| Subject Category | Environmental Sciences & Ecology; Marine & Freshwater Biology |
| Document Delivery Number | JC0VX |
| Unique Article Identifier | WOS:000488999000095 |
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