Impact of Environmental and Anthropogenic Forces on Shellfish Aquaculture

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Aquaculture".

Deadline for manuscript submissions: closed (30 May 2023) | Viewed by 2637

Special Issue Editors

Marine Bio-Resources Research Unit, Korea Institute of Ocean Science & Technology (KIOST), Busan 49111, Korea
Interests: reproductive patterns; fatness; growth patterns; environmental factors; gonad somatic index

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Co-Guest Editor
Marine Bio-Resources Research Unit, Korea Institute of Ocean Science & Technology (KIOST), Busan 49111, Republic of Korea
Interests: aquatic toxicology; environmental risk assessment; species identification; aquatic organisms; molecular biology; aquaculture

Special Issue Information

Dear Colleagues,

The purpose of this Special Issue is to publish the most exciting research with respect to information on the reproductive cycle for detecting changes in reproductive patterns and information on the growth patterns of shellfish depending on short- and long-term environmental changes.

Dr. Young Choi
Dr. Jeonghoon Han
Guest Editors

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Keywords

  • reproductive patterns
  • fatness
  • growth patterns
  • environmental factors
  • gonad somatic index

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Published Papers (1 paper)

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Research

12 pages, 1438 KiB  
Article
A Comparative Study on the Difference in Temperature and Salinity Tolerance of Crassostrea nippona and C. gigas Spat
by Yiming Hu, Qi Li, Chengxun Xu, Shikai Liu, Lingfeng Kong and Hong Yu
J. Mar. Sci. Eng. 2023, 11(2), 284; https://doi.org/10.3390/jmse11020284 - 27 Jan 2023
Cited by 2 | Viewed by 2331
Abstract
Although Crassostrea nippona and C. gigas are occasionally found to be sympatric, little is known about the differences in tolerance against environmental stresses between species, which may potentially result in severe economic losses due to the neglect of species-specific biological characteristics in farming [...] Read more.
Although Crassostrea nippona and C. gigas are occasionally found to be sympatric, little is known about the differences in tolerance against environmental stresses between species, which may potentially result in severe economic losses due to the neglect of species-specific biological characteristics in farming practices. Therefore, two independent and consecutive experiments were performed to evaluate the differences in temperature and salinity tolerance between C. nippona and C. gigas spat and determine the optimal environmental conditions for the aquaculture of C. nippona spat. The experimental results of dynamic treatment showed that the accumulative survival rate (ASR) of C. nippona spat was generally lower than that of C. gigas throughout temperature changes and salinity decreases, while the ASR of C. nippona spat was superior to that of C. gigas with increasing salinity. In addition, the daily growth rate (DGR) of both species was significantly inhibited at 18 °C and peaked at 25 °C with increasing temperature (p < 0.05) at each experimental salinity. At 32 °C, the survival rate (SR) of C. nippona spat was significantly lower than that of C. gigas on day 10 at all salinities tested (p < 0.05), whereas the difference in the SR between species at 35 psu gradually disappeared with prolonged stress time. The data indicated that C. gigas spat was suitable for rearing at temperatures of 25 and 32 °C at all salinity levels, except the combination of 32 °C and 35 psu. By contrast, combinations of 25 °C and salinities of 21–35 psu were considered as the optimal environmental conditions for the long-term culture of C. nippona spat. These present findings contribute to a better understanding of the tolerance of C. nippona spat to environmental stresses and suggest that particular attention should be paid to the inferior adaptability of C. nippona when farming in locations outside their natural habitats. Full article
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