气候变化领域集成服务门户(CCPortal): Influence of Salinity on the Survival Rate of Fertilized Chum Salmon (Oncorhynchus keta) Eggs

CCPortal

DOI	10.3390/jmse12010039
	Influence of Salinity on the Survival Rate of Fertilized Chum Salmon (Oncorhynchus keta) Eggs
	Park, Jong Won; Kim, Beom Sik; Kim, Ju Kyoung; Jung, Hae Kun; Park, Hyun Je; Lee, Chung Il; Kucharczyk, Dariusz; Moiseenko, Tatyana; Rudneva, Irina
发表日期	2024
EISSN	2077-1312
起始页码	12
结束页码	1
卷号	12 期号:1
英文摘要	Chum salmon (Oncorhynchus keta) exhibit a remarkable ability to adapt to changes in salinity during their life cycle. However, the fertilized egg stages are sensitive to salinity, affecting ontogeny and hatching. This study investigated the effect of salinity (0, 1, 3, and 5 PSU) on the survival of two developmental stages (<1 day after fertilization and <1 day after the eyed-egg stage) of fertilized eggs. Based on the experimental results, we assessed the spawning ground environment using the in situ salinity data of the Namdae River from 1997 to 2002, where the largest number of salmon in Korea migrate to spawn. Survival of the <1-day-old fertilized eggs decreased sharply at 3 PSU or more, and all eggs died at 5 PSU. Hatching of the eyed-egg stage occurred under all environmental conditions. After 2010, the salinity of the layer of water in contact with the sediment in the lower reaches of the river increased (>6.9 PSU) with the frequency of high waves. Overall, the function of the lower river in spawning and hatching is weakening. This study enhances our understanding of the effects of climate change, including increased wave activity, on salmon spawning grounds.
英文关键词	chum salmon; fertilized eggs; salinity tolerance; hatching rate; spawning ground; Namdae River
语种	英语
WOS研究方向	Engineering ; Oceanography
WOS类目	Engineering, Marine ; Engineering, Ocean ; Oceanography
WOS记录号	WOS:001152986700001
来源期刊	JOURNAL OF MARINE SCIENCE AND ENGINEERING
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/294498
作者单位	Kangnung Wonju National University; National Institute of Fisheries Science
推荐引用方式 GB/T 7714	Park, Jong Won,Kim, Beom Sik,Kim, Ju Kyoung,et al. Influence of Salinity on the Survival Rate of Fertilized Chum Salmon (Oncorhynchus keta) Eggs[J],2024,12(1).
APA	Park, Jong Won.,Kim, Beom Sik.,Kim, Ju Kyoung.,Jung, Hae Kun.,Park, Hyun Je.,...&Rudneva, Irina.(2024).Influence of Salinity on the Survival Rate of Fertilized Chum Salmon (Oncorhynchus keta) Eggs.JOURNAL OF MARINE SCIENCE AND ENGINEERING,12(1).
MLA	Park, Jong Won,et al."Influence of Salinity on the Survival Rate of Fertilized Chum Salmon (Oncorhynchus keta) Eggs".JOURNAL OF MARINE SCIENCE AND ENGINEERING 12.1(2024).