IOCAS-IR  > 海洋生态与环境科学重点实验室
Effects of salinity and temperature on seed germination and seedling establishment in the endangered seagrass Zostera japonica Asch. & Graebn. in northern China
Yue, Shidong1,2,3; Zhou, Yi1,2,4; Zhang, Yu1,2,3; Xu, Shaochun1,2,3; Gu, Ruiting1,2,3; Xu, Shuai1,2,3; Zhang, Xiaomei1,2,4; Zhao, Peng5
2019-09-01
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
Volume146Pages:848-856
Corresponding AuthorZhou, Yi(yizhou@qdio.ac.cn)
AbstractSeagrass 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.
KeywordSeagrass Zostera japonica Seed germination Seedling establislunent Salinity Temperature Restoration
DOI10.1016/j.marpolbul.2019.07.037
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFF0206905] ; Key Research and Development Plan of Shandong Province[2017GHY15111] ; National Natural Science Foundation of China[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]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000488999000095
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163429
Collection海洋生态与环境科学重点实验室
Corresponding AuthorZhou, Yi
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
5.State Ocean Adm, Inst Oceanog 4, Beihai, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yue, Shidong,Zhou, Yi,Zhang, Yu,et al. Effects of salinity and temperature on seed germination and seedling establishment in the endangered seagrass Zostera japonica Asch. & Graebn. in northern China[J]. MARINE POLLUTION BULLETIN,2019,146:848-856.
APA Yue, Shidong.,Zhou, Yi.,Zhang, Yu.,Xu, Shaochun.,Gu, Ruiting.,...&Zhao, Peng.(2019).Effects of salinity and temperature on seed germination and seedling establishment in the endangered seagrass Zostera japonica Asch. & Graebn. in northern China.MARINE POLLUTION BULLETIN,146,848-856.
MLA Yue, Shidong,et al."Effects of salinity and temperature on seed germination and seedling establishment in the endangered seagrass Zostera japonica Asch. & Graebn. in northern China".MARINE POLLUTION BULLETIN 146(2019):848-856.
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