By Thai Ngoc Chien
Depart. of Fish exploitation and resource management
Research Institute for Aquaculture No.3
E-mail: thaichienfish@yahoo.com
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
INTRODUCTION
FUNCTIONS AND DUTIES
 Survey aquatic environment, inland and coastal natural
resources. Assess the impacts of aquaculture to the
surrounding environments
 Investigate and apply advanced techniques for aquaculture,
exploitation, and conservation (e.g. stock enhancement)
 Collect and conserve native and economically important
introduced species, and generate valuable hybrids
 Study production of brackish and marine micro algae and
seaweed as food for aquatic animals
 Study post-harvest, formulated feeds, and food processing
from freshwater and marine products for domestic and export
markets
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
INTRODUCTION
FUNCTIONS AND DUTIES
 Test the quality of seed, and feasibility of using feed, and bioproducts in aquaculture
 Develop appropriate fishing gear and apply modern fishing
technologies with the aim of sustainable fisheries development
 Provide guidance on technical, economic and environmental
aspects to managers and aquaculturists
 Transfer techniques to farmers via workshops and training
courses
 Cooperate in national and international research and training.
 Educate post-graduate students and technical personnel
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
SUSTAINABLE AQUACULTURE DEVELOPMENT
- To minimize the environment impacts from
aquaculture, Folke and Kautsky (1992) suggested fish
polyculture with water filters such as bivalve and
seaweed.
- Patrick (2000) proposed that in aquaculture we should
combine different species who feed at different trophic
levels; this will help to minimize the nutrient loads and
maximize using water and food resources.
- This principal is based on feeding behavior and living
space.
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
SUSTAINABLE AQUACULTURE MODELS
In 2004-2005, Research Institute for Aquaculture No.3
carried out a polyculture technology research project.
The project introduced 5 polyculture models as follows:
1) Polyculture of grouper, green mussel and seaweed
2) Polyculture of lobster, seabass, sandfish, green mussel
and seaweed
3) Polyculture of lobster, sandfish, green mussel and
seaweed
4) Polyculture of Babylon snail, sandfish, green mussel
and seaweed
5) Polyculture of Babylon snail, lobster, seabass, sandfish,
green mussel and seaweed
PRINCIPLES…
Dissolved
Nutrients
(N, P)
Particulate
Organic
matter
Oxygen
Babylonia snail
Benthic
matter
Organic
Green mussel
Seaweed
Sea cucumber
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
What are the benefits of polyculture/integrated culture?
- Improve income at the same time, so we do not waste time
and labour cost.
- Maximize usage of water resources so we can grow other
species without investment in building cages and ponds
or reduce the investment cost.
- Different species can use the waste or discharges from
each other as food, therefore we can decrease the food
cost.
- We do not use chemicals or antibiotics, so it is very secure
food for consumers.
- Reduce the waste loads and eutrophication within cultured
area.
- Keep ecosystem balanced
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
PROBLEMS
1. Fishing: high fishing pressure, destructive fishing
2. Destruction of ecosystems and habitats: Mangroves
and wetland ecosystems have been converted into
aquaculture ponds. Dam constructions for irrigation
and building of shipping harbors.
3. Water pollution: Industrial, agricultural and domestic
waste discharges reduced the biodiversity and
spawning of animals.
4. Disease outbreak: Diseases may cause increasing
problems in connection with more intensive
production systems.
Polyculture of Babylonia snail, Sea
Cucumber, Green Mussel and Seaweed
Polyculture of Grouper, Mussel and
Seaweed
Polyculture of lobster, sandfish, green mussel
and seaweed
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Penaeus monodon
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
MSc.NGUYEN CO THACH
MSc. DAO VAN TRI
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Panulirus ornatus
UPGRADING CULTURE
Author:
Dr. NGUYEN THI BICH THUY
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Portunus pelagicus
SEED PRODUCTION
Author:
Dr. NGUYEN THI BICH THUY
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Scylla serrata
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
MSc. NGUYEN CO THACH
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Babylonia areolata
SEED PRODUCTION AND
COMMERCIAL CULRURE
Author:
Dr. NGUYEN THI XUAN THU
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Chlamys nobilis
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
Dr. NGUYEN THI XUAN THU
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Pinctada maxima
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
Prof.Dr. NGUYEN CHNH
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Perna viridis
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
Prof. Dr. NGUYEN CHINH
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Anadara granosa
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
MSc. LA XUAN THAO
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
Haliotis asinina
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
Dr. LE DUC MINH
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES
INTRODUCTION
Holothuria scabra
SEED PRODUCTION AND
COMMERCIAL CULTURE
Author:
Rayner Pitt
and Nguyen Dinh Quang Duy
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
SOME NEEDS TO MOVE FORWARD SUSTAINABLE AQUACULTURE DEVELOPMENT
- The results of polyculture research are realistic and
easy to apply for the farmers.
-Encourage the international co-operation to work on
sustainable aquaculture development, such as, replanning, solving pollutions.
-Research on environmental carrying capacity of the bays
where the aquaculture exist to give recommendations to
the local managers for re-planning or recovering shrimp
aquaculture industry.
- Conserve biodiversity; build marine protected area
(MPA).
MINISTRY OF FISHERIES
RESEARCH INSTITUTE FOR
AQUACULTURE No.3
33 Dang Tat, Nha Trang – Khanh Hoa
Tel: (+84) 058 831138 Fax: (+84) 058
831846
APPLIED TECHNOLOGIES