Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates
Salinity is a known factor in shaping population dynamics and community structure through direct and indirect effects on aquatic ecosystems. Salinity changes further influence food webs through competition and predation. The responses of <i>Moina macrocopa</i> (Cladocera) collected from...
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MDPI AG
2021-02-01
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| Online Access: | https://www.mdpi.com/1424-2818/13/3/105 |
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| author | Amirah Yuslan Sharifah Najuwa Atsushi Hagiwara Mazlan A. Ghaffar Hidayu Suhaimi Nadiah W. Rasdi |
| author_facet | Amirah Yuslan Sharifah Najuwa Atsushi Hagiwara Mazlan A. Ghaffar Hidayu Suhaimi Nadiah W. Rasdi |
| author_sort | Amirah Yuslan |
| collection | DOAJ |
| description | Salinity is a known factor in shaping population dynamics and community structure through direct and indirect effects on aquatic ecosystems. Salinity changes further influence food webs through competition and predation. The responses of <i>Moina macrocopa</i> (Cladocera) collected from Setiu Wetland lagoon (Terengganu) was evaluated through manipulative laboratory experiments to understand the ability of <i>M. macrocopa</i> to tolerate high salinity stress. Specifically, the fatty acid composition, growth, survival, and reproduction of this cladocerans species was examined. Sodium chloride (NaCl) as used in the treatments water with the concentration 0, 4, 6, 8, 12, and 15 salinity. Fatty acid levels were determined using Gas Chromatography and Mass Spectrophotometry (GC-MS). The results indicated that optimal conditions produced the highest fatty acid content, especially the polyunsaturated fatty acid content, such as EPA (eicosapentaenoic acid), ALA (alpha-linoleic acid), ARA (arachidonic acid), and DHA (docosahexaenoic acid). Furthermore, <i>M. macrocopa</i> survival was best at salinity 0, with a percentage of 98%, whereas the opposite occurred at salinity 15, with approximately 20% of viable animals surviving. Besides, <i>M. macrocopa</i> also showed the highest reproduction rate at salinity 0 (e.g., average initial age of reproduction, 4.33 ± 0.58 days) compared with other salinities level. Interestingly, the difference in growth at different salinities was not evident, an unusual finding when considering adverse effects such as osmoregulation pressure on the organism. Based on the results, we conclude that <i>M. macrocopa</i> can only tolerate salinity below salinity 8 and cannot withstand stressful environmental conditions associated with salinities above 8. |
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| language | English |
| last_indexed | 2024-03-09T00:30:17Z |
| publishDate | 2021-02-01 |
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| spelling | doaj.art-35b16e0061f44af493061c8236f0d8172023-12-11T18:33:13ZengMDPI AGDiversity1424-28182021-02-0113310510.3390/d13030105Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the NeonatesAmirah Yuslan0Sharifah Najuwa1Atsushi Hagiwara2Mazlan A. Ghaffar3Hidayu Suhaimi4Nadiah W. Rasdi5Faculty of Fisheries and Food Sciences, Universiti Malaysia Terengganu, Kuala Nerus, Kuala Terengganu 21030, MalaysiaFaculty of Fisheries and Food Sciences, Universiti Malaysia Terengganu, Kuala Nerus, Kuala Terengganu 21030, MalaysiaGraduate School of Fisheries and Environmental Sciences, Fa Bunkyo 1-14, Nagasaki 852-8521, JapanFaculty of Marine and Environmental Sciences, Universiti Malaysia Terengganu, Kuala Nerus, Kuala Terengganu 21030, MalaysiaFaculty of Fisheries and Food Sciences, Universiti Malaysia Terengganu, Kuala Nerus, Kuala Terengganu 21030, MalaysiaFaculty of Fisheries and Food Sciences, Universiti Malaysia Terengganu, Kuala Nerus, Kuala Terengganu 21030, MalaysiaSalinity is a known factor in shaping population dynamics and community structure through direct and indirect effects on aquatic ecosystems. Salinity changes further influence food webs through competition and predation. The responses of <i>Moina macrocopa</i> (Cladocera) collected from Setiu Wetland lagoon (Terengganu) was evaluated through manipulative laboratory experiments to understand the ability of <i>M. macrocopa</i> to tolerate high salinity stress. Specifically, the fatty acid composition, growth, survival, and reproduction of this cladocerans species was examined. Sodium chloride (NaCl) as used in the treatments water with the concentration 0, 4, 6, 8, 12, and 15 salinity. Fatty acid levels were determined using Gas Chromatography and Mass Spectrophotometry (GC-MS). The results indicated that optimal conditions produced the highest fatty acid content, especially the polyunsaturated fatty acid content, such as EPA (eicosapentaenoic acid), ALA (alpha-linoleic acid), ARA (arachidonic acid), and DHA (docosahexaenoic acid). Furthermore, <i>M. macrocopa</i> survival was best at salinity 0, with a percentage of 98%, whereas the opposite occurred at salinity 15, with approximately 20% of viable animals surviving. Besides, <i>M. macrocopa</i> also showed the highest reproduction rate at salinity 0 (e.g., average initial age of reproduction, 4.33 ± 0.58 days) compared with other salinities level. Interestingly, the difference in growth at different salinities was not evident, an unusual finding when considering adverse effects such as osmoregulation pressure on the organism. Based on the results, we conclude that <i>M. macrocopa</i> can only tolerate salinity below salinity 8 and cannot withstand stressful environmental conditions associated with salinities above 8.https://www.mdpi.com/1424-2818/13/3/105freshwater zooplankton<i>Moina</i>salinity toleranceNaClfatty acid |
| spellingShingle | Amirah Yuslan Sharifah Najuwa Atsushi Hagiwara Mazlan A. Ghaffar Hidayu Suhaimi Nadiah W. Rasdi Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates Diversity freshwater zooplankton <i>Moina</i> salinity tolerance NaCl fatty acid |
| title | Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates |
| title_full | Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates |
| title_fullStr | Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates |
| title_full_unstemmed | Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates |
| title_short | Production Performance of <i>Moina macrocopa</i> (Straus 1820) (Crustacea, Cladocera) Cultured in Different Salinities: The Effect on Growth, Survival, Reproduction, and Fatty Acid Composition of the Neonates |
| title_sort | production performance of i moina macrocopa i straus 1820 crustacea cladocera cultured in different salinities the effect on growth survival reproduction and fatty acid composition of the neonates |
| topic | freshwater zooplankton <i>Moina</i> salinity tolerance NaCl fatty acid |
| url | https://www.mdpi.com/1424-2818/13/3/105 |
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