Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam

Ta Thi Kim Oanh; Nguyen Van Lap; Nguyen Thi Mong Lan; Ta Duy Thong

doi:doi:10.11648/j.eeb.20200504.20

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Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam

Ta Thi Kim Oanh, Nguyen Van Lap, Nguyen Thi Mong Lan, Ta Duy Thong

Published in Ecology and Evolutionary Biology (Volume 5, Issue 4)

Received: 19 October 2020 Accepted: 4 November 2020 Published: 4 December 2020

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Abstract

The model of clam seed nursery in the coastal area of Tra Vinh province was carried out from June 2019 to February 2020 in the coastal dune and tidal flat in Thanh Dat Cooperative. The clam seed source is the natural seed harvested in the coast of Tra Vinh province with the goal of exploiting and using local resources to provide clam seeds for the cooperative clam farming. The model consists of two phases: the first phase of nursing is in ponds on the coastal dune and the second phase of nursing is on the tidal flat in natural condition. It indicates that during the first phase, the input of model used 50 kg clam grade I (150,000 ind./ kg) was released into the nursing ponds, the nursing pond with oxygen supplementation is a good facility resulting high survival rate of 62.8% in comparison to 43.5% in case of pond without oxygen supplementation. In October 2019, total 285 kg of grade II clams (15,000 ind./ kg) was obtained and released on 6,000 m² clam ground in Thanh Dat Cooperative. In February 2020, total 2.33 million clam individuals were harvested, it is about 3,880 kg clam seed with the size of 600 ind./ kg. The model of clam seed nursing in the tidal flat was completed with clam seed survival rate of 54.5%. All of clam seed is continued culturing to the commercial clam production on the same ground of Thanh Dat Cooperative.

Published in	Ecology and Evolutionary Biology (Volume 5, Issue 4)
DOI	10.11648/j.eeb.20200504.20
Page(s)	182-188
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Coastal Dune, Tidal Flat, Pond, Hard Clam, Nursery, Tra Vinh

References

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[2]	Marinov D., Galbiati L., Giordani G., Viaroli P., Norro A., Bencivelli S.. An integrated modelling approach for the management of clam farming in coastal lagoons. Aquacuture, 2007, 269, p. 306-320.
[3]	Gosling E. M. Bivalve Molluscs – Biology, Ecology and Culture, Blackwell Publishing, USA, 2003, pp 439.
[4]	Helm M. M., Bourne N., Lovatelli, A.. Hatchery culture of bivalves a practical manual. FAO fisheris technical, 2004, p. 471. Food and agriculture organization of the United Nations, Rome.
[5]	Quayle, D. B., G. F. Newkirk. Farming bivalve molluscs: methods for study and development. Advances in World Aquaculture, v. 1. Baton Rouge, LA: World Aquaculture Society in association with the International Development Research Centre, 1989, 294 p.
[6]	Nguyen TA, Tran TTN. Scientific evidence of a number of solutions to protect and develop resources of clams and cockles in the coastal tidal flats of Ben Tre province (in Vietnamese). Project final report, People's Committee of Ben Tre Province - Nha Trang Institute of Oceanography. 2001, 216 p.
[7]	Ta TKO, Nguyen VL, Nguyen TML, Ta DT, Vo THQ. Natural and environmental characteristics of Tra vinh province coastal areas, Mekong Delta, Vietnam for the development of hard clam culture. Journal of Biodiversity and Environmental Sciences. 2018, 11-20.
[8]	Nguyen XD. Resources of mollusc species Meretrix and Mactra in the intertidal area of Nam Dinh and Ninh Binh provinces (in Vietnamese). Scientific workshop: Sustainable management and use of natural resources and environment of coastal estuarine wetlands - Hanoi, Publisher of Agriculture. 1999, 37-41.
[9]	Huynh VH. Distribution of benefits and costs in the white clam value chain (Meretrix lyrata, Sowerby, 1851) in Tra Vinh province (in Vietnamese). Proceedings of Conference “Relationship between mangrove forests and clam resources”, Ho Chi Minh City 11/2014, 110-120.
[10]	Le XS, Do MC, Huynh VH, Truong QP. Marketing study to support the development of hard clam industry in Tra Vinh province in relation to the southern coastal provinces (in Vietnamese). Journal of Science, 2007, 8, 38 – 46, Can Tho University.
[11]	Vo ST. Investigation on ecological – environmental conditions and developing ability of Clam (Meretrix lyrata) in Go Cong district – Tien Giang province. Project final report (in Vietnamese). Institute of Oceanography, Nha Trang, 1999.
[12]	Nguyen VH, Nguyen DH, Pham CT, Tran QM, Nguyen TT. Research on some environmental indices, biological characteristics and clam Meretrix lyrata (Sowerby, 1851) resources in the Mekong Delta (in Vietnamese). Proceedings of The first national conference on mollusk. Publisher of Agriculture. 2001, 176-189.
[13]	Tong PHS, Nguyen TT. The relationship between natural conditions and the formation and development of clam grounds (Meretrix lyrata) in the Mekong Delta. Chapter 18 in Environmental change and agricultural sustainability in the Mekong Delta, Advances in Global Change Research 45, Springer Science + Business Media B. V., 2011, 303-333.
[14]	Nguyen TT. et al. Study on the model of protection and development of clam resources Meretrix lyrata (Sowerby, 1851), cockle Andara granosa (Linaeus, 1758) in Tien Giang, Ben Tre, Tra Vinh estuarine coastal areas. Project final report (in Vietnamese), Department of Science and Technology. 2010, 197 pages.
[15]	Ta TKO, Nguyen VL, Nguyen TML. Study on hard clam (Meretrix lyrata) seed nursing model in the coastal areas of Tra vinh province, Mekong Delta, Vietnam. Journal of Biodiversity and Environmental Sciences. 2018, 11-20.
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[19]	Nguyen VH. The characteristics on biology and production of Clam (Meretrix lyrata) in Mekong Delta. (in Vietnamese) Proceedings of scientific conference “Bien Dong” 2000, pp 219–230.

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APA Style

Ta Thi Kim Oanh, Nguyen Van Lap, Nguyen Thi Mong Lan, Ta Duy Thong. (2020). Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecology and Evolutionary Biology, 5(4), 182-188. https://doi.org/10.11648/j.eeb.20200504.20

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ACS Style

Ta Thi Kim Oanh; Nguyen Van Lap; Nguyen Thi Mong Lan; Ta Duy Thong. Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecol. Evol. Biol. 2020, 5(4), 182-188. doi: 10.11648/j.eeb.20200504.20

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AMA Style

Ta Thi Kim Oanh, Nguyen Van Lap, Nguyen Thi Mong Lan, Ta Duy Thong. Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecol Evol Biol. 2020;5(4):182-188. doi: 10.11648/j.eeb.20200504.20

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@article{10.11648/j.eeb.20200504.20,
  author = {Ta Thi Kim Oanh and Nguyen Van Lap and Nguyen Thi Mong Lan and Ta Duy Thong},
  title = {Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam},
  journal = {Ecology and Evolutionary Biology},
  volume = {5},
  number = {4},
  pages = {182-188},
  doi = {10.11648/j.eeb.20200504.20},
  url = {https://doi.org/10.11648/j.eeb.20200504.20},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eeb.20200504.20},
  abstract = {The model of clam seed nursery in the coastal area of Tra Vinh province was carried out from June 2019 to February 2020 in the coastal dune and tidal flat in Thanh Dat Cooperative. The clam seed source is the natural seed harvested in the coast of Tra Vinh province with the goal of exploiting and using local resources to provide clam seeds for the cooperative clam farming. The model consists of two phases: the first phase of nursing is in ponds on the coastal dune and the second phase of nursing is on the tidal flat in natural condition. It indicates that during the first phase, the input of model used 50 kg clam grade I (150,000 ind./ kg) was released into the nursing ponds, the nursing pond with oxygen supplementation is a good facility resulting high survival rate of 62.8% in comparison to 43.5% in case of pond without oxygen supplementation. In October 2019, total 285 kg of grade II clams (15,000 ind./ kg) was obtained and released on 6,000 m2 clam ground in Thanh Dat Cooperative. In February 2020, total 2.33 million clam individuals were harvested, it is about 3,880 kg clam seed with the size of 600 ind./ kg. The model of clam seed nursing in the tidal flat was completed with clam seed survival rate of 54.5%. All of clam seed is continued culturing to the commercial clam production on the same ground of Thanh Dat Cooperative.},
 year = {2020}
}

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TY  - JOUR
T1  - Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam
AU  - Ta Thi Kim Oanh
AU  - Nguyen Van Lap
AU  - Nguyen Thi Mong Lan
AU  - Ta Duy Thong
Y1  - 2020/12/04
PY  - 2020
N1  - https://doi.org/10.11648/j.eeb.20200504.20
DO  - 10.11648/j.eeb.20200504.20
T2  - Ecology and Evolutionary Biology
JF  - Ecology and Evolutionary Biology
JO  - Ecology and Evolutionary Biology
SP  - 182
EP  - 188
PB  - Science Publishing Group
SN  - 2575-3762
UR  - https://doi.org/10.11648/j.eeb.20200504.20
AB  - The model of clam seed nursery in the coastal area of Tra Vinh province was carried out from June 2019 to February 2020 in the coastal dune and tidal flat in Thanh Dat Cooperative. The clam seed source is the natural seed harvested in the coast of Tra Vinh province with the goal of exploiting and using local resources to provide clam seeds for the cooperative clam farming. The model consists of two phases: the first phase of nursing is in ponds on the coastal dune and the second phase of nursing is on the tidal flat in natural condition. It indicates that during the first phase, the input of model used 50 kg clam grade I (150,000 ind./ kg) was released into the nursing ponds, the nursing pond with oxygen supplementation is a good facility resulting high survival rate of 62.8% in comparison to 43.5% in case of pond without oxygen supplementation. In October 2019, total 285 kg of grade II clams (15,000 ind./ kg) was obtained and released on 6,000 m2 clam ground in Thanh Dat Cooperative. In February 2020, total 2.33 million clam individuals were harvested, it is about 3,880 kg clam seed with the size of 600 ind./ kg. The model of clam seed nursing in the tidal flat was completed with clam seed survival rate of 54.5%. All of clam seed is continued culturing to the commercial clam production on the same ground of Thanh Dat Cooperative.
VL  - 5
IS  - 4
ER  -

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Author Information

Ta Thi Kim Oanh

Ho Chi Minh City Institute of Resources Geography, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
Nguyen Van Lap

Ho Chi Minh City Institute of Resources Geography, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
Nguyen Thi Mong Lan

Ho Chi Minh City Institute of Resources Geography, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
Ta Duy Thong

Landscape Planning Laboratory, Graduate School of Horticulture, Chiba University, Matsudo City, Chiba, Japan

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Ta Thi Kim Oanh, Nguyen Van Lap, Nguyen Thi Mong Lan, Ta Duy Thong. (2020). Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecology and Evolutionary Biology, 5(4), 182-188. https://doi.org/10.11648/j.eeb.20200504.20

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ACS Style

Ta Thi Kim Oanh; Nguyen Van Lap; Nguyen Thi Mong Lan; Ta Duy Thong. Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecol. Evol. Biol. 2020, 5(4), 182-188. doi: 10.11648/j.eeb.20200504.20

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AMA Style

Ta Thi Kim Oanh, Nguyen Van Lap, Nguyen Thi Mong Lan, Ta Duy Thong. Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam. Ecol Evol Biol. 2020;5(4):182-188. doi: 10.11648/j.eeb.20200504.20

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@article{10.11648/j.eeb.20200504.20,
  author = {Ta Thi Kim Oanh and Nguyen Van Lap and Nguyen Thi Mong Lan and Ta Duy Thong},
  title = {Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam},
  journal = {Ecology and Evolutionary Biology},
  volume = {5},
  number = {4},
  pages = {182-188},
  doi = {10.11648/j.eeb.20200504.20},
  url = {https://doi.org/10.11648/j.eeb.20200504.20},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eeb.20200504.20},
  abstract = {The model of clam seed nursery in the coastal area of Tra Vinh province was carried out from June 2019 to February 2020 in the coastal dune and tidal flat in Thanh Dat Cooperative. The clam seed source is the natural seed harvested in the coast of Tra Vinh province with the goal of exploiting and using local resources to provide clam seeds for the cooperative clam farming. The model consists of two phases: the first phase of nursing is in ponds on the coastal dune and the second phase of nursing is on the tidal flat in natural condition. It indicates that during the first phase, the input of model used 50 kg clam grade I (150,000 ind./ kg) was released into the nursing ponds, the nursing pond with oxygen supplementation is a good facility resulting high survival rate of 62.8% in comparison to 43.5% in case of pond without oxygen supplementation. In October 2019, total 285 kg of grade II clams (15,000 ind./ kg) was obtained and released on 6,000 m2 clam ground in Thanh Dat Cooperative. In February 2020, total 2.33 million clam individuals were harvested, it is about 3,880 kg clam seed with the size of 600 ind./ kg. The model of clam seed nursing in the tidal flat was completed with clam seed survival rate of 54.5%. All of clam seed is continued culturing to the commercial clam production on the same ground of Thanh Dat Cooperative.},
 year = {2020}
}

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TY  - JOUR
T1  - Improving Model of Hard Clam (Meretrix lyrata) Seed Nursing in the Coastal Area - Case Study in Tra Vinh Province, Mekong River Delta, Vietnam
AU  - Ta Thi Kim Oanh
AU  - Nguyen Van Lap
AU  - Nguyen Thi Mong Lan
AU  - Ta Duy Thong
Y1  - 2020/12/04
PY  - 2020
N1  - https://doi.org/10.11648/j.eeb.20200504.20
DO  - 10.11648/j.eeb.20200504.20
T2  - Ecology and Evolutionary Biology
JF  - Ecology and Evolutionary Biology
JO  - Ecology and Evolutionary Biology
SP  - 182
EP  - 188
PB  - Science Publishing Group
SN  - 2575-3762
UR  - https://doi.org/10.11648/j.eeb.20200504.20
AB  - The model of clam seed nursery in the coastal area of Tra Vinh province was carried out from June 2019 to February 2020 in the coastal dune and tidal flat in Thanh Dat Cooperative. The clam seed source is the natural seed harvested in the coast of Tra Vinh province with the goal of exploiting and using local resources to provide clam seeds for the cooperative clam farming. The model consists of two phases: the first phase of nursing is in ponds on the coastal dune and the second phase of nursing is on the tidal flat in natural condition. It indicates that during the first phase, the input of model used 50 kg clam grade I (150,000 ind./ kg) was released into the nursing ponds, the nursing pond with oxygen supplementation is a good facility resulting high survival rate of 62.8% in comparison to 43.5% in case of pond without oxygen supplementation. In October 2019, total 285 kg of grade II clams (15,000 ind./ kg) was obtained and released on 6,000 m2 clam ground in Thanh Dat Cooperative. In February 2020, total 2.33 million clam individuals were harvested, it is about 3,880 kg clam seed with the size of 600 ind./ kg. The model of clam seed nursing in the tidal flat was completed with clam seed survival rate of 54.5%. All of clam seed is continued culturing to the commercial clam production on the same ground of Thanh Dat Cooperative.
VL  - 5
IS  - 4
ER  -

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