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  • Inorganic Chemistry  (83,665)
  • Cell & Developmental Biology  (25,032)
  • Fisheries
  • Wiley-Blackwell  (108,697)
  • Bangkok, Thailand  (133)
  • Training Department, Southeast Asian Fisheries Development Center
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  • 1
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    Fishing activities in relation to commercial and small-scale fisheries in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26216 | 17342 | 2019-02-08 06:19:00 | 26216 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in this paper is the fishery industry in Indonesia. Given emphases were the fishing gears and fishing fleets that were used for both commercial and small-scale fisheries. Moreover, the detailed design of the fishing gears is also shown.
    Keywords: Fisheries ; Fisheries ; Marine fisheries ; Fishery management ; Fishery resources ; Fishing gear ; Artisanal fishing ; Artisanal fisheries ; Fishing vessels ; Gear construction ; Gear materials
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 41-70
    Format: 30
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  • 2
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    Fisheries management policy in Malaysia: Issues on responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26219 | 17342 | 2019-02-08 05:50:05 | 26219 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery management ; Fishery policy ; Fishery regulations ; Marine fisheries ; Fishery resources ; Fishery protection ; Biodiversity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 100-112
    Format: 13
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  • 3
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    Department of Fisheries Malaysia: Training and extension programs (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26220 | 17342 | 2019-02-08 03:41:28 | 26220 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Policies ; Fisheries ; Marine fisheries ; Inland fisheries ; Training ; Extension activities
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 113-118
    Format: 6
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  • 4
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    Fish resources of Vietnamese sea waters and recommendations for rational utilization (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26225 | 17342 | 2019-02-14 01:43:24 | 26225 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Sea and continental shelf belonging to Vietnamese EEZ has an estimated area of more than 1 mil. km2, this is three times greater than land. Sea and continental shelf is becoming an important part in fishery aspect, this is where many marine products are existed. Vietnam is situated in the West Pacific Ocean and classified into four regions. The North Part, Center Part, South East and South West of Vietnam. The pelagic and demersal fish comprise of 80-90% of the total yield, in addition there are valuable resources such as shrimp, lobster and squids, all are important export items. Two major climatic seasons occur in these areas depending on the winds: the North-East (November to March) and the South-West monsoon (May to September), April and October, those are transferred months. Typhoons move from the East to the West or North-West are frequent in summer and greatly affect the meteorological conditions of the sea waters. The fish species composition in the Vietnamese Sea waters is typical for tropical fish fauna (Approx. 2000 fish species, in addition there are 105 Shrimp species and 53 Squid and Cuttle fish species have been found). Resources Standing Stock of both pelagic and demersal fish in the Vietnamese Sea Waters are about 3.0-3.5 million tons, the exploitation potential amounting to 1.2-1.4 million tons. In the inshore areas the resources are being overexploited, while offshore resources remain underexploited. Resources protection and fishery policies are the main tasks of the Vietnamese fisheries. Fishing ordinance and regulations have become an important role in the Vietnamese Sea Water.
    Keywords: Fisheries ; Fishery resources ; Fisheries ; Stocks ; Continental shelves ; Pelagic fisheries ; Marine fisheries ; Demersal fisheries ; Shrimp fisheries ; Lobster fisheries ; Cephalopod fisheries ; Anthropogenic factors ; Species diversity ; Hurricanes ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 138-151
    Format: 14
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  • 5
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    The status of fisheries in the Republic of Maldives (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26228 | 17342 | 2019-02-13 06:40:47 | 26228 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper discusses the tuna fisheries in Maldives which dominates its fishing industry. Apart from a very strong domestic market, tuna is also the main export commodity of the country. Moreover, reef fisheries such as, sea cucumber, grouper, shark, and aquarium fishery industries, are also being discussed in the paper. Also presented in the paper are the fisheries management system, and the national development plan of Maldives for fisheries from 1997 to 1999.
    Keywords: Fisheries ; Fisheries ; Fishery development ; Sustainable fishing ; Marine fisheries ; Pelagic fisheries ; Tuna fisheries ; Reef fisheries ; Sea cucumber fisheries ; Percoid fisheries ; Finfish fisheries ; Shark fisheries ; Resource management ; Fishery management ; Fishery resources
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 167-191
    Format: 25
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  • 6
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    Training and extension programs on responsible fishing in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26244 | 17342 | 2019-02-13 05:35:01 | 26244 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The marine fisheries status has declined in stock and become very critical issue at present. Fisheries regulations and notifications have been issued for solving the problems of fisheries management. Responsible fishing is a new concept developing for the fisheries resources recovery that required more rehabilitation training and extension programs. In Thailand efforts to conserve the fisheries resources such as fisheries regulations by means of close area, close season and mesh size limitation are being enforced. Training and extension programs for fishermen and other people concerned including many conservative projects have been done by the Department of fisheries.
    Keywords: Fisheries ; Fishery regulations ; Season regulations ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 398-404
    Format: 7
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  • 7
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    Status of fisheries in Union of Myanmar (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26227 | 17342 | 2019-02-13 07:09:41 | 26227 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in the paper is the status of fisheries in the Union of Myanmar for the period 1996-1997. Discussed are the fishery production, and trade of the country, including its fishery policies.
    Keywords: Fisheries ; Fisheries ; Fishery management ; Fishery development ; Marine fisheries ; Exclusive economic zone ; Fishery resources ; Aquaculture ; Fishery policy ; Fishing grounds
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 161-166
    Format: 6
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  • 8
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    Fish behaviour approach for improving trawl gear selectivity (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26234 | 17342 | 2019-02-13 06:06:47 | 26234 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Gear selectivity has been a gold-medal goal for research and development in Fishing Technology, for the purpose to increase the target catch and to decrease the bycatch. In case of trawl fisheries, the gear designing by mesh size or shape modifications were only the tools for improving the species/size selectivity. Another approach for the aimed trawl is also practical through the strategy in locating the best fishing ground by use of catch data bases and acoustic devices. The better understanding on fish behaviour can be useful not only for both of the conventional strategies, but also for developing the bycatch reduction devices (BRDs) as the modification of the present gear designs. The aim of gear selectivity in shrimp trawls is classified into 4 categories as Monster excluder, Trash Excluder, Shrimp/Fish Separator, and Species/Size Selection. Another approach to classify the selectivity function is according to the positions for exclusion/selection, as between warps, sweep lines or wings, around net mouth, and in front or rear part of codend. Up to now, varieties of BRDs are in practical use with ideas on size filtration and utilization of behaviour differences in species and sizes. For the size filtration purpose, the mesh size against the body circumference or the grid spacing against the body width inside the codend can be defined as the passive BRDs which may cause the stress and injury for escapees through the gear contact. The active BRDs ahead of the trawl mouth may be the best tool as the conservation strategy without the gear contact damage, by means of understanding for avoidance ability in gear recognition and swimming performance of target and bycatch species.
    Keywords: Fisheries ; Behaviour ; Gear selectivity ; Mesh selectivity ; Fishing gear ; Gear research ; Fishery technology ; Fishing technology ; Fishery development ; By catch ; Discards ; Trawling ; Trawl nets ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 251-265
    Format: 15
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  • 9
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    Discards in Japanese marine capture fisheries and their estimation (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26232 | 17342 | 2019-02-13 06:22:29 | 26232 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: By catch focused here is incidental catch to be discarded at sea and those utilised is dealt little. This is because, as widely stated, by catch is not necessarily a negative practice as there are many fisheries which are feasible with by catch in addition to the principal species. It is important to segregate by catch and discard issues. It may provoke unnecessary and unproductive contradiction, if by catch as a whole is dealt in the same line with discards. This report firstly overviews the structure of the fishing industry of Japan and its statistics in view of its sectors and landing. This aims at illustrating its basic characters and changes for the recent years. Secondly, the report summarises available information on discards from a sector to sector. It estimates, then, the amounts of discards by individual sectors and, subsequently, the total discard by the Japanese marine capture fishery as a whole. The last part of the report discusses improvement of methodology in discard researches. In this report, only publicised data were utilised for discard estimation with exceptions of those recorded by the author or the author's group. Discard ratios were either directly adopted or secondarily evaluated from those records.
    Keywords: Fisheries ; Discards ; By catch ; Marine fisheries ; Marine fish ; Fishery industry ; Commercial fishing ; Artisanal fishing ; Industrial fisheries ; Fishing gear ; Trawling ; Mathematical analysis ; Mathematical models ; Formulae
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 218-241
    Format: 24
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  • 10
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    Moving towards more responsible fishing practices in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26240 | 17342 | 2019-02-13 05:54:37 | 26240 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Bycatch in Australia s Northern Prawn Fishery (NPF) is extremely diverse in both species and size composition. This makes developing responsible fishing practices to reduce the amount of bycatch in the NPF, a complex process. During this study we assessed the performance of Bycatch Reduction Devices (BRDs) that could be used in the NPF. We tested 16 different BRDs which can be grouped into one of 3 categories: (1) inclined grids (2) fish exclusion devices and (3) square-mesh codends. Four inclined grids were tested during our study. All the grids were extremely effective at excluding large animals such as sharks, stingrays and sea turtles. Three different fish exclusion devices were tested. Fish exclusion ranged between 0 and 39 percent, depending on the device. Prawn retention rates for both inclined grids and fish exclusion devices varied between devices. Two sizes of square-mesh codend (38 mm and 45 mm) were also tested. More than 95% of market-sized prawns were retained. Fish exclusion varied greatly between species. Optimum exclusion of bycatch for the NPF could be provided by a combination of devices from each of the three categories.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; By catch ; Shrimp fisheries ; Catch composition ; Commercial species ; By-catch excluder devices ; Discards ; Mesh selectivity ; Gear selectivity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 356-370
    Format: 15
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  • 11
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    Inmarsat's role in responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26245 | 17342 | 2019-02-13 05:27:14 | 26245 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper documents the application of the services of International Maritime Satellite Organization (Inmarsat) to responsible fisheries. Currently known as International Mobile Satellite Organization, offers an increasing array of telecommunication services to business travelers, landmobile, aeronautical, and maritime users, etc. For the maritime industry Inmarsat provides satellite vessel monitoring. The position reports, which optionally may include course and speed, from one or more fishing vessels may be incorporated into a system comprised of hardware and software at a shore-side control station.
    Keywords: Fisheries ; Communication systems ; Satellite communication ; Satellite sensing ; Satellite navigation ; Fishing vessels ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 405-416
    Format: 12
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  • 12
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    Ghostfishing problems and prevention (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26246 | 17342 | 2019-02-13 03:42:22 | 26246 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Ghostfishing is the fishing activity of lost or abandoned fishing gears or theirarts. This invisible fishing activity of unknown number of fishing gears may have contributed the global depletion of fisheries resources. Gillnets and pots are two gear types known to have severe ghostfishing problems. Synthetic materials making up gillnets and pots can last for many years when left in water. There are no worldwide survey or estimates of annual loss of gillnets or pots, but the number is likely in millions. Prevention, clean up, de-ghosting technological research, and awareness training are some of the strategies which can be adopted to curb the ghostfishing problem. This presentation will review the problems of ghostfishing in gillnet and pot fisheries, actions taken by some countries to counteract gear losses and ghostfishing, and future prospectus in combating ghostfishing problems.
    Keywords: Fisheries ; Fishing gear ; Fishing nets ; Gillnets ; Entangling nets ; Pots ; Litter ; Marine debris ; Plastic debris ; Fishery management
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 417-431
    Format: 15
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  • 13
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    Responsible fisheries training in Canada (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26241 | 17342 | 2019-02-13 05:43:45 | 26241 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The concept of responsible fisheries matters all parties involved in fishing and other related activities that utilize or deal with marine and freshwater resources. The Code of Responsible Fisheries as developed by FAO makes all involved in fisheries aware of what they do, how they do it and consequences of their activities. One of the most important aspects of responsible fisheries initiatives of any countries or regions is responsible fisheries training so that stakeholders are well aware of their activities and possible consequences. Canada is one of the countries making significant progresses in training as well in research and development as related to responsible fisheries. The effort of Canada is broadly based covering the Atlantic and Pacific coasts as well as inland waters. This presentation overviews harvesting-related responsible fisheries guidelines and training initiatives in Canada with emphasis on a new responsible fisheries training program being developed by the Fisheries and Marine Ins.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; FAO Code of Conduct for Responsible Fisheries ; Training ; Capacity building ; Education
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 371-374
    Format: 4
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  • 14
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    Cooperative research networking to facilitate research and development for the reduction of wastage in shrimp fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26249 | 17342 | 2019-02-13 03:52:27 | 26249 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Because of the importance of shrimp trawling fisheries in a number of countries in Asia and the Indian Ocean region and recommendations for more research work in the field of selectivity, in particular through more cooperation between countries, a Cooperative research network in the Asia and Indian Ocean region on selective tropical shrimp trawling was initiated in December 1995 by the Fishing Technology Service of FAO. The overall objective of this on-going networking programme is: in the short term, to gather accurate information on on-going shrimp trawling and catches, data which is necessary for further improvement of the selectivity of these fisheries, and to review recent progress in the region in this field; in the medium term, to facilitate further research on the subject. Details of the activities proposed within the programme are given, as well as the expected participation for its execution. Progress, up to May 1997, is briefly reported. Activities such as field surveys in several countries and a regional workshop soon were not too difficult to arrange. However, cooperation for research work at sea with the participation of experts from several countries is not so easy.
    Keywords: Fisheries ; Shrimp fisheries ; Shrimp spoilage ; Research ; Research programmes ; Trawling ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 443-450
    Format: 8
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  • 15
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    The primary productivity in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26271 | 2002 | 2019-02-21 02:15:25 | 26271 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: In this paper the relative concentrations and vertical distributions of primary production were investigated off Western Philippines of the South China Sea during tradewinds from April 15 to May 11, 1998. Primary productivity measurements were conducted using conventional "light-and-dark bottle" oxygen method. The net primary production estimates at ten (10) different stations established between 19° 59.2'N, 119° 58.7'E and 11° 13.5'N, 118° 03.1'E ranged from 0.10 ~ 1.53 g C m-2 d1. The result suggests that the present net production estimates in the area is remarkably higher than the estimates from other parts of the South China Sea (viz., northern coastal waters off Taiwan and southwestern parts of the SCS which included marine waters of Thailand, Indonesia and Malaysia). The highest primary production occurred at the upper 60-m well-mixed layer of station 1 in the northwestern most part of the area. Results have shown that some other hydrographic and chemical parameters (viz., temperature, salinity, light and fluorescence) greatly complicate and may not coherent with the analyses of relative distribution and abundance of primary production in the area.
    Keywords: Fisheries ; Oceanography ; Phytoplankton ; Primary production ; South China Sea ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 235-250
    Format: 16
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  • 16
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    Catch of experimental longline, purse seine and handline in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26260 | 2002 | 2019-03-01 05:49:00 | 26260 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: This paper presents the tuna longline fishing operation conducted in western Philippine waters as well as the port sampling conducted in Zambales. The longline fishing operation was not successful in catching tuna but caught the deep swimming species such as sharks, lancet fish and opah. The undefined and shallow thermocline might have contributed to the unsuccessful fishing operations. Another reason might be the spatial distribution of tunas brought about by the El Niño event, which causes the spreading of the warm water mass from the western Pacific Ocean to the eastern Pacific Ocean allowing the yellowfin tunas to have a wider space to move. Yellowfin tuna stock in the western Philippine waters belongs to the juvenile and subadult population while the skipjack tunas belong to the adult population as most of the catch observed during port sampling were mature. The juvenile and sub-adult stages of yellowfin tunas were not the proper size for the longline fishery, which may explain in part why no tuna was caught during the research cruise. These sizes are available principally to the purse seine fishery as observed in the port sampling survey.
    Keywords: Fisheries ; Handlining ; Purse seining ; Catch composition ; Fishery surveys ; Experimental fishing ; Longlining ; Tuna fisheries ; South China Sea ; Philippines ; Thunnus albacares ; Euthynnus pelamis
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 65-75
    Format: 11
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  • 17
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    Distribution, abundance and biological studies of economically important fishes in the South China Sea, Area I: East coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26344 | 23782 | 2019-03-22 05:33:08 | 26344 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper presents species distributions, composition and biological parameters of major fish species caught from the east coast of Peninsular Malaysia during the one week surveys made in pre- and post-Northeast monsoon seasons. The fish species rankings changed over time and at different depth strata. The catch rates were decreased toward deeper water. An appearance of smaller fish group was greater during the post-Northeast than pre-Northeast monsoon season. Fish populations occurred at both seasons were represented from different spawning group. Their growths were isometric form in weight.
    Keywords: Fisheries ; Marine fish ; Biological data ; Population characteristics ; Fishery surveys ; Check lists ; Commercial species ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 147-155
    Format: 9
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  • 18
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    Distribution of dinoflagellate cysts in the surface sediment of the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26350 | 23782 | 2019-03-22 06:25:19 | 26350 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: To obtain more information on the distribution of dinoflagellate cysts in Thai and Malaysian waters, the surface sediment samples of 48 stations in the Gulf of Thailand and the east coast of Peninsular Malaysia were collected by M.V. SEAFDEC during the research cruise in September 1995 and repeated again in April 1996. Cysts of 20 species belonging to Goniolacoid, Tuberculodinioid and Peridinioid were found in the surface sediments collected from both cruises. Spiniferites spp. (=Gonyaulax spp.) were the dominant cyst in Thai and Malaysian waters. No cysts of harmful species were observed during this study.
    Keywords: Fisheries ; Oceanography ; Dominant species ; Cysts ; Sediments ; Benthos ; Gonyaulax ; Dinoflagellata ; Spiniferites ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 294-309
    Format: 16
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  • 19
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    The establishment of the Philippine Aquatic Sciences and Fisheries Information System (PASFIS) (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26360 | 23782 | 2019-04-02 03:35:39 | 26360 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Information systems ; Information handling ; Information services ; Information centres ; Aquatic sciences ; Fisheries ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 93-103
    Format: 11
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  • 20
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    The fisheries information service of RAPA (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26363 | 23782 | 2019-04-03 08:15:44 | 26363 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Fishery data ; Documents ; Libraries ; Data collections ; Information services
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 125-129
    Format: 5
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  • 21
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    Species composition, abundance and biomass distribution of zoobenthos in Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26379 | 23782 | 2019-04-05 08:42:20 | 26379 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The benthic invertebrate (zoobenthos) fauna in Vietnamese seawaters was surveyed in April - May, 1999. Zoobenthos specimen were sampled by Smith-McIntyre grab on 38 stations and 180 species were recorded and composed of 5 major groups: Polychaeta, Crustacea, Mollusca, Echinodermata and others. The total of density and biomass zoobenthos in Vietnamese seawaters was 156.7 ind/m2 and 5943.0 mg/m2 respectively. Polychaeta and Mollusca were groups with the highest abundance in every cases considered. The remaining groups of zoobenthos such as Crustacea and Echinodermata which were lower in abundance but higher in biomass. There was a remarkable variation of zoobenthos both in species composition and density with the depth, substrate and spatial distribution. Abundance was higher in some subjects considered such as: in depth of 0 - 60m or in types of sandy components or in the Tonkin gulf and the Southeast regions. All diversity indices shown that water quantity in Vietnamese sea offshore in survey time was just satisfactory and good.
    Keywords: Fisheries ; Oceanography ; Geographical distribution ; Community composition ; Species diversity ; Abundance ; Check lists ; Zoobenthos ; Viet Nam
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    Proceedings of the 4th Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area IV: Vietnamese Waters, 18-20 September 2000 (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26373 | 23782 | 2019-04-04 03:17:24 | 26373 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: This, the fourth in the series of Technical Seminars on Marine Resources Survey, continues the essential evaluation of marine resources available in the South China Sea. This latest seminar is an evaluation of the waters of Vietnam. In the series of surveys this is identified as Area IV, There are two vital results from the survey activities; the first of these is that the scope, species composition and biomass estimation of the regional waters are assessed. Secondly another aspect is emphasized, that of the element of cooperation between the nations of the region such that no one country is isolated.
    Keywords: Fisheries ; Viet Nam ; Living resources ; Marine fish ; Fishery surveys ; Check lists ; Biomass ; International cooperation
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    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 434
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    Selective Fisheries Information Service Phase II: Project ADD (Analysis and Document Delivery) (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26371 | 23782 | 2019-04-04 01:28:43 | 26371 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Information services ; Information centres ; Information handling ; Information retrieval ; Information systems ; Documents
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 197-209
    Format: 13
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  • 24
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    Composition, abundance and distribution of zooplankton in the South China Sea, Area IV: Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26380 | 23782 | 2019-04-05 08:41:33 | 26380 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The samples of 58 stations in Vietnamese Waters were collected by M.V. SEAFDEC on 21 April - 5 June 1999. Thirty-seven groups of zooplankton were found in this study. Copepoda was the most abundance followed by Chaetognatha and Ostracoda. Biomass varied from 0.21-7.29 ml/m3 (average 1.03±1.22 ml/m3). Station 56 has the highest biomass. Abundance varied from 99-2,365 ind/m3 (average 580±527 ind/m3). Station 58 has the highest abundance due to high number of Chaetognatha, polychaete, Lucifer spp., Thecosomes and Echinodermata larvae. Whereas Station 19 has the lowest abundance. Cephalopod paralarvae were concentrated. They were classsified into 15 genera belonging to 11 families: Sepia sp., Inioteuthis sp, Loligo spp., Enoploteuthis sp., Abralia sp., Watasenia sp., Onychoteuthis sp., Ctenopteryx sicula, Nototodarus sp., Sthenoteuthis oualaniensis, Thysanoteuthis rhombus , Liocranchia sp., Teuthowenia sp., Octopus defilippi, Octopus Type A, Octopus Type B, Octopus Type C and Tremoctopus sp. Sthenoteuthis oualaniensis found to be most abundance followed by Octopus Type B and Enoploteuthis. Sthenoteuthis oualaniensis found mostly in the middle part of Vietnamese waters especially in the oceanic zone.
    Keywords: Fisheries ; Oceanography ; Geographical distribution ; Community composition ; Abundance ; Zooplankton ; Check lists ; Copepoda ; Ostracoda ; Chaetognatha ; Viet Nam ; South China Sea
    Repository Name: AquaDocs
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    Format: 77-93
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  • 25
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    Assessment of relative abundance of fishes caught by gillnet in Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26375 | 23782 | 2019-04-04 03:33:52 | 26375 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The fisheries resources in near shore waters of Vietnam are reported to be overexploited resulting on the decrease of CPUE. It is important to develop the off-shore fisheries in Vietnam now. However information on off-shore fisheries resources in Vietnam was still very limited. This study was designed in order to supply such kind of information. The study area was in off-shore waters of Vietnam. R/V BIEN DONG (1500 Hp) with gillnet of 5 different mesh-size (73, 95, 123, 150 and 160 mm) was used for survey. The species and catch composition, distribution of promising species, relative abundance of target species were described. As a results, 98 species belonged to 32 families have been identified. Skipjack tuna was dominant (18.5 %). Distribution of relative abundance of some major species were given.
    Keywords: Fisheries ; Marine fisheries ; Catch composition ; Abundance ; Check lists ; Catch/effort ; Gillnets ; Viet Nam
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 10-28
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  • 26
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    Composition, abundance and distribution of fish eggs and larvae in the South China Sea, Area IV: Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26381 | 23782 | 2019-04-05 08:37:05 | 26381 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: This report is based on the data of fish eggs and larvae samples which were collected at the 58 stations of the Vietnamese waters, it covered from latitude 7° - 21° N and longitude 103° - 112° E. The cruise was carried out from April 30 to May 29, 1999 by M/V SEAFDEC. The Standard larvae net and Bongo net were used for the surface and oblique sampling respectively and 14,507 fish eggs and 18,919 fish larvae were caught. The specimens have been identified, which comprise of 78 families, 94 genera, 94 species of fish eggs and larvae observed from this cruise. The most abundant fish eggs and larvae during the survey were Engraulidae, accounted for 8.5% total of eggs and 23.8% total of larvae. The species composition was observed to be very abundant. In each station, at least 6 families and the highest 30 families were collected during the survey. The abundance of ichthyoplankton is rather relatively high, the distribution occurred mainly in the areas of along the coastal, near estuaries and around the islands. The abundance of fish eggs concentrated higher than fish larvae. The density of distribution of fish eggs and larvae in the North Sea waters concentrated the most abundant of all and of the Central sea waters was the least abundant of all. Some of families of which fish eggs and larvae have dominated were presented.
    Keywords: Biology ; Fisheries ; Oceanography ; Dominant species ; Geographical distribution ; Ichthyoplankton ; Fish eggs ; Abundance ; Check lists ; Ichthyoplankton surveys ; Fish larvae ; Viet Nam ; South China Sea
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    Format: application/pdf
    Format: 94-145
    Format: 52
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  • 27
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    Proceedings of the Second Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam Waters, 14-15 December 1998, Kuala Lumpur, Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26397 | 23782 | 2019-04-11 08:14:12 | 26397 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Due to gross over-exploitation and a paucity of adequate information on fishery oceanographic, environmental and biological conditions that sustain the fisheries of the South China Seas region, the fisheries have become greatly impoverished. The deficiency in scientific intelligence has also circumscribed all attempts at substantive and tangible planning or management of fisheries throughout the region. The NAGA Oceanographic Expedition of 1959-1961, organized jointly by the United States of America, The Kingdom of Thailand and the erstwhile Republic of Vietnam, achieved pioneering oceanographic work in the Gulf of Thailand and the South China Seas. This invaluable scientific data acquisition was not pursued for a number of reasons, and thus, a holistic and dependable profile of oceanographic conditions and their seasonal variations and patterns failed to develop. Perceiving the vital importance and the deficiency of fundamental information and data for fisheries planning and management, the SEAFDEC Training Department (TD) and the Marine Fisheries Resources Development and Management Department (MFRDMD), jointly launched an inter-Department Collaborative Research program in 1995, to evaluate the fisheries resources of the South china Sea as a basal objective in the development of sustainable fisheries.
    Keywords: Fisheries ; Oceanography ; Oceanography ; Oceanographic surveys ; Primary production ; Check lists ; Abundance ; Biomass
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    Type: book
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    Format: application/pdf
    Format: 370
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  • 28
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    Fisheries and fishery statistical system in Bangladesh (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26891 | 23782 | 2019-11-12 08:30:17 | 26891 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Following a brief account of the structure of the fishery sector in Bangladesh, an outline is given of fishery policy towards 2010. Before 1980, there was no statistical system for fisheries in Bangladesh. In the present system, fishery statistics are collected according to the survey manual. Catch assessment surveys for each of the 3 sectors (open-water, closed-water and marine) are undertaken; each of the surveys is designed as a sample of 1, 2, and 3 stage sampling for estimating total catches on the basis of data of sample units, which are collected by the Fishery Survey Officers. Details are given of proposals to improve the national fisheries statistics system.
    Keywords: Fisheries ; Marine fisheries ; Data processing ; Fishery statistics ; Inland fisheries ; Fish catch statistics ; Data acquisition ; Marine ; Brackish ; Freshwater
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 15-26
    Format: 12
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  • 29
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    Fishery and aquaculture statistics in Asia: Proceedings of the FAO/SEAFDEC Regional Workshop on Fishery Statistics, Bangkok, Thailand, 19-21 August 1997 (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26889 | 23782 | 2019-11-14 01:12:44 | 26889 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: This volume provides the papers presented at the Workshop, which was conducted to assess the fishery and aquaculture statistics in the Southeast Asian region with a view to recommending ways and means to improve their compilation and dissemination. Abstracts of the papers are cited individually in this issue of ASFA.
    Keywords: Fisheries ; Data processing ; Fishery statistics ; Conferences ; Aquaculture statistics ; Fishery development ; Data acquisition ; Marine
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 332
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  • 30
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    Korean fishery statistical system (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26895 | 23782 | 2019-11-12 08:21:30 | 26895 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The Republic of Korea has a well-organized data collection system of fishery statistics for the purpose of providing information for the establishment of the national fishery policy. Details are given of the National Fishery Statistical Survey (conducted once a year), the Scientific Fishery Statistical Survey (conducted by the National Fisheries Research and Development Institute), and Fishery Censuses (conducted whenever required).
    Keywords: Fisheries ; Marine fisheries ; Data processing ; Fishery statistics ; Fishery surveys ; Inland fisheries ; Data acquisition ; Marine ; Brackish ; Freshwater
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 68-74
    Format: 7
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  • 31
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    Status of fishing condition in Indonesia in relation to responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26217 | 17342 | 2019-02-08 06:14:09 | 26217 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Sustainable fishing ; Fishery management ; Fishery policy ; Fishery regulations ; Fishery resources ; Fishery protection
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 71-86
    Format: 16
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  • 32
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    Strategy for the implementation of the code of conduct for responsible fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26229 | 17342 | 2019-02-13 06:35:32 | 26229 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper presents the strategy for the implementation of the Code of Conduct for Responsible Fisheries (CCRF). CCRF was adopted by the Twenty-eighth Session of the FAO Conference in October 1995. It is of a voluntary nature that covers all fisheries including aquaculture and related activities. It seeks to ensure that aquatic resources are exploited and utilised responsibly and in accordance with long-term principles of sustainability.
    Keywords: Fisheries ; Fisheries ; Sustainable fishing ; Sustainability ; FAO Code of Conduct for Responsible Fisheries ; Fishery management ; Fishery policy
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 192-197
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  • 33
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    The experiments on turtle excluder devices (TEDs) for shrimp trawl nets in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26235 | 17342 | 2019-02-13 03:22:59 | 26235 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The purpose of this paper is to determine a suitable type of Turtle Excluder Device (TED) attached to the body of a shrimp trawl to avoid inflicting harm on marine turtles. Seven types of the TEDs were tested; three brought from U.S.A. namely the Anthony Weedless, the Super Shooter and the Bent Pipe, two brought from Mexico namely the Georgia Jumper and the Mexican, and two were designed by Kasetsart University and SEAFDEC/TD, Thailand, namely the Thai-KU and Thai Turtle Free Device (TTFD), respectively. No turtles were caught in any of the areas off Chumporn and Songkhla during a total of 120 hauls. The escape rate by weight of the Super Shooter and TTFD were found to be 2.67% and 1.80% for day-time operation and 1.91% and 1.04% during the night, respectively, this indicated that they were the most efficient TED. The fuel consumption for all TEDs showed little difference. In terms of convenience in operation, the TTFD was found to be the best and the most suitable TED for the use by Thai fishermen.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 266-297
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  • 34
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    Southeast United States fisheries bycatch reduction research in shrimp trawl fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26238 | 17342 | 2019-02-13 03:45:16 | 26238 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in the paper are the two devices that were developed by some states in the southeast United States to reduce fisheries bycatch in shrimp trawls. These were Turtle Excluder Device (TED) and Bycatch Reduction Device (BRD). First, the use of TEDs were strongly resisted by some fishermen, however, when it was mandatory and regulations effectively enforced, fishermen found that it improved shrimp production and the quality of catch. Moreover, also presented in the paper are the two bycatch reduction devices that are being regulated into use in United States, the Fisheye BRD, and the Extended Funnel BRD that are found to effectively reduce the finfish bycatch.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; By catch ; Sociological aspects
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 329-339
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    Status of fishing conditions in the Philippines in relation to responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26223 | 17342 | 2019-02-14 03:43:16 | 26223 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: In 1990-1995 the aquaculture and commercial fisheries in the Philippines achieved a positive growth, on the other hand, the municipal fisheries has been declining. The government's open-access policy in fisheries had been identified as the cause of the problem. Thus, to address the situation the government regulated the fishing effort within sustainable yield levels. Major fishing technologies and practices were also presented in the paper. Likewise, the policies regulating the area of fishery operations, and the fishing gears were also presented.
    Keywords: Fisheries ; Fishing ; Sustainable fishing ; Sustainability ; Marine fisheries ; Policies ; Fishery policy ; Fishery development ; Fishery management ; Fishing effort ; Fishing gear ; Fishery regulations
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 119-124
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  • 36
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    Application of the Australian trawl efficiency device in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26239 | 17342 | 2019-02-13 03:32:53 | 26239 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The following paper is made up of three field trip reports covering the testing and commercial use of the Australia Trawl Efficiency Device (AusTED). The work was carried out in the Northern Prawn Fishery (NPF) aboard five NPF vessels between July 95 and November 96. The study was undertaken in accordance with the program outlined in the FRDC funded project Development and application of AusTED in the Australia trawl industry. The AusTED performed exceptionally well. In fact big catches of prawns, fish and large marine creatures appear to be what the AusTED requires to fully show off it s value as a trawl efficiency device. It excluded all large creatures encountered while maintaining prawn catches. The reduction in small fish was as high as 60% but averaged around the 30% mark. Testing of the AusTED was carried out on trawlers fishing for tiger prawns and endeavour prawns in the Gulf of Carpentaria (GOC) and red leg banana prawns in the Joseph Bonaparte Gulf (JBG). The following reports cover catch comparisons between standard nets and those rigged with AusTED. Recommendations and personal opinions from NPF skippers operating in the Gulf of Carpentaria and the Joseph Bonaparte Gulf are also included.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; Commercial fishing ; Commercial species ; Fishery industry
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 340-355
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  • 37
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    Training and extension program on responsible fishing in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26243 | 17342 | 2019-02-13 05:39:27 | 26243 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Series of research and seminars were currently carried out in Indonesia to build sufficient scientific evidences in formulating national policy on Responsible Fishing. With those activities, it is expected that suitable and proper training materials could be established. Five Fishing Training Center within the country are ready to conduct intensive training program in Responsible Fishing. Action program for this matter, is yet to be planned. A subregional or regional collaboration on research and training material provisions might accelerate the implementation of the Responsible Fishing.
    Keywords: Fisheries ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 389-397
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    Catch rate of oceanic squid by jigging method in the South China Sea Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26256 | 2002 | 2019-03-01 06:05:12 | 26256 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: This paper presents the preliminary result of the exploratory fishing for oceanic squid by automatic jigging method in the South China Sea Area III: western Philippines. This was part of SEAFDEC’s collaborative research survey on the fisheries resources of Area III with focus on tuna, oceanic squid and other migratory species. The research vessel M/V SEAFDEC covered 31 predetermined stations for oceanographic and fisheries survey, 10 of which were squid jigging stations. Jigging effort of four automatic jiggers at each station varied from 2-8 hours. The Indo-Pacific squid, Sthenoteuthis (Symplectoteuthis) oualaniensis (Lesson, 1830) was the only species caught throughout the fishing area. The total catch for 51.6 fishing hours consisted of 2538 individuals weighing 393.1 kg. The female-dominated catch had individuals with mantle length ranging from 9.8-24 cm and average weight of 155g. Catch-per-unit-effort (CPUE) of automatic jiggers averaged 6 ind/line/hour (968 g/l/h) or 0.4 ind/jig/h (45 g/j/h). High concentration of squid was observed at the northern portion of the survey area. Catch rates were high within 0-100 m jigging depth. S. oualaniensis in Area III occurred in two forms: the dwarf, early-maturing form without dorsal photophore (9.8-12 cm mantle length;43 g average weight) and the middle-sized form with dorsal photophore (12-24 cm ML;174 g average weight). The middle-sized form dominated the catch representing 86% of the total catch. The dwarf form was less abundant in all catches but occurred throughout the area. The middle-sized and dwarf forms had total weight of 377.5 kg (2175 individuals) and 15.6 kg (363 individuals), respectively. The females were dominant in both forms. The biomass of S. oualaniensis standing stock in the SCS Area III was estimated at 283 thousand metric tons.
    Keywords: Fisheries ; Exploratory fishing ; Jigging ; Fishery surveys ; Cephalopod fisheries ; Stock assessment ; Catch/effort ; South China Sea ; Philippines ; Sthenoteuthis oualaniensis
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    Distribution of planktonic malacostraca and cephalopod paralarvae in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26267 | 2002 | 2019-02-22 07:07:16 | 26267 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Zooplankton samples from 31 stations in the western Philippines water were collected by M.V. SEAFDEC on 7 April - 19 May 1998. Six major groups were identified: Euphausiacea, Natantia (Penaeidea and Caridea), Reptantia, Brachyura, Stomatopoda and cephalopod paralarvae. Three genera of Euphausiacea were found, they belong to one family: this group formed 25.1% - 90.9% of total taxonomic groups at different stations. The superfamiiy Penaeidea consisted of seven genera belong to four families. Caridea larvae were composed of 11 families including 19 genera. Retantia consisted of three infraorder: Stenopodidea, Thalassinidea and Parinuridea. The infraorder Parinuridea comprised two families: Palinulidae and Scyllaridae. Fourteen families of Brachyura larvae occurred in the study area. Stomatopoda was composed of three families including three genera. Cephalopoda paralarvae were presented in the plankton samples by six families representing eight genera. The maximum counts for malacostraca larvae and cephalopod paralarvae was observed at station 16. The present study reveals that some economic species such as Penaeus spp., Parapenaeus spp., Panulirus spp., Scyllarus spp., Portunus spp. and Sthenoteuthis oualaniensis were important components of the zooplankton assemblages in the western Philippines.
    Keywords: Fisheries ; Oceanography ; Plankton surveys ; Zooplankton ; Molluscan larvae ; Biological sampling ; Crustacean larvae ; South China Sea ; Philippines ; Malacostraca ; Cephalopoda
    Repository Name: AquaDocs
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    Format: 177-196
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  • 40
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    Abundance and distribution of zooplankton in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26266 | 2002 | 2019-02-22 07:10:51 | 26266 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: A survey on the zooplankton in the waters of western Philippines was carried out from April 18 to May 9, 1998. The estimate of zooplankton biomass ranged from 0.92 mg/m3 to 20.85 mg/m3 with a mean of 5.70 mg/m3. Maximum and minimum densities of zooplankton recorded were 4683/m3 in station 16 and 446/m3 in station 5, respectively. The zooplankton communities were comprised of 37 different categories of animal groups. Copepods were the most dominant group in zooplankton communities at all stations but their abundance varied from 5% to 43% of the total zooplankton.
    Keywords: Fisheries ; Oceanography ; Plankton surveys ; Zooplankton ; Population density ; Biomass ; South China Sea ; Philippines ; Copepoda
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    Diamondback squid (Tysanoteuthis rhombus) exploration in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26257 | 2002 | 2019-03-01 06:03:04 | 26257 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The diamondback squid (Tysanoteuthis rhombus) is a potential resource popularized mainly for the export market in the Central Philippines and the positive results from other experimental activities. Exploratory fishing for the species using the giant squid jig was conducted on board MV SEAFDEC and MV Maya-Maya in the South China Sea (Western Philippines) to determine its occurrence, abundance and distribution in these areas. The gear employed is basically used in small boats hence, its operation on bigger vessels was very difficult. The result was discouraging with only one diamondback squid caught out of the 175 jigs set. The description and fishing operations of the gear are presented with comparison from other research and fishing results conducted in Camotes Sea, Calauag Bay, and Ormoc Bay which are considered potential areas.
    Keywords: Fisheries ; Biological surveys ; Exploratory fishing ; Jigging ; Gear research ; Fishery surveys ; Cephalopod fisheries ; South China Sea ; Philippines ; Tysanoteuthis rhombus
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 32-38
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  • 42
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    Cooperative research in Asian fisheries-future directions and opportunities (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26247 | 17342 | 2019-02-13 03:47:22 | 26247 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The fisheries of many countries in Asia are heavily reliant upon fisheries as a major source of food protein with fish consumption levels two to three times higher than those of western countries and collectively, the region harvests approximately forty percent of the world's marine fishes. With many of the region's fish resources fully exploited or over fished, identification, quantification and reduction of biological waste in commercial fisheries has become a regional priority. However, given the complexity of multi-species fisheries and fish utilization practices as well as the technological difficulties already encountered make finding practical solutions by individual researchers or institutes extremely difficult. Within the region exist human resources, research and development facilities and equipment that if shared could significantly speed up the process of biological waste mitigation. This paper, identifies some of the current problems associated with biological waste mitigation and proposes that resolving these issues is best achieved through information, facility and human resource sharing. An initial target of setting minimum standards for fishing trials, experimental protocols and analytical techniques is proposed with a second step being the establishment of information databases of technologies to reduce biological waste. Administrative support, strategic planning and management of regional databases and the activities of scientists and technologists can only be carried out by a regional agency such as SEAFDEC or ICLARM. International cooperation between agencies, institutes and researchers is a pre-requisite for long term resolution of technological problems.
    Keywords: Fisheries ; International cooperation ; International organizations ; Fishery institutions ; Fishery development ; Fishery organizations ; Research programmes ; Fishery management ; Planning ; Sustainable fishing ; Sustainability
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    Format: application/pdf
    Format: application/pdf
    Format: 432-442
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    Visual observation on fishes schooling and fishing activities in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26255 | 2002 | 2019-03-01 06:28:01 | 26255 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Many schools of small bonito were observed at latitude 18°-19° N, longitude 118°-119° E, school of pompano dolphinfish Corphaena equiselis (Linnaeus, 1758) was also found and sampling during lured by light at night. Surface schooling of yellowfin tuna Thunnus albacares Bonnaterre, 1788) skipjack, Katsuwonus pelamis (Linnaeus, 1758) were found at latitude 14°-15° N and longitude 117°-118° E. Many fish schools were observed through acoustic equipment, Furuno FQ-70 at near shore of Zambales and off shore at latitude 13°-14° N, longitude 117°-118° E, in the deep layer of 100-250 meters depth. Oceanic squid has widely distribution over the area. Fishing activities are target on those resources. Tuna longline fishing operation was observed at latitude 16°-17° N and longitude 116°-117°E about 150 nautical miles away from shore. Payaws were set along the coastal line from northern Luzon until northern of Palawan and from near shore until 30-80 nautical miles away from coastline. Payaw in the central part were aimed for purse seine operation while the northern Payaw aimed to handline fishing. Handline fishing occupied all most near shore area from northern to the south. Squid fishing was observed many near San Fernando.
    Keywords: Fisheries ; Marine fisheries ; Purse seining ; Pelagic fisheries ; Schooling behaviour ; Tuna fisheries ; South China Sea ; Philippines ; Coryphaena equisetis ; Thunnus albacares ; Euthynnus pelamis
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    Biological feature of an oceanic squid, Sthenoteuthis oualaniensis in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26264 | 2002 | 2019-03-01 05:25:20 | 26264 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Several species of oceanic squids are believed to occur in the South China Sea, especially off the west coast of the Philippines. Sthenoteuthis oualaniensis was one of the species that dominated the catch during the research survey off western Philippines in April to May 1998. Preliminary study was carried out on some biological features of Sthenoteuthis oualaniensis, particularly on maturity pattern, sex ratio and stomach content. There was a similarity in maturity pattern throughout the study areas with the same proportion of mature and immature squids. In all stations, the female squids outnumbered the male and the size of the female was general bigger than the male squids. ML50% of female was estimated to be at 175 mm while range of mature female was between 110 - 240 mm. Fish and cephalopods were the most frequently occurring prey taxa found in the diet of Sthenoteuthis oualaniensis, contributing between 37% - 46% and 30% - 43% respectively. Identification of prey taxa especially to species level was strictly limited, due to lack of proper references and understanding of the nature of fish species composition within the study areas. Results discussed in this paper may serve as early information for future biological study on S. oualaniensis.
    Keywords: Biology ; Fisheries ; Sex ratio ; Sexual maturity ; Cephalopod fisheries ; Population structure ; Fishery biology ; South China Sea ; Philippines ; Sthenoteuthis oualaniensis
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 135-147
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    Some physical and chemical characteristics of bottom sediments in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26322 | 23782 | 2019-03-28 08:23:35 | 26322 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Investigations on horizontal and vertical distribution in levels of total organic matter contents (TOM), acid volatile sulfides contents (AVS), and water contents (WC) of bottom sediments from the eastern and western parts of the Gulf of Thailand and the eastern part of the Peninsular Malaysia have been carried out during 5-28 September 1995 and 24 April to 17 May 1996 by M.V. SEAFDEC. The overall results indicated comparatively low amount of organic matters and sulfides deposited in the sediments. Considering on the vertical profiles, coupled efforts of low rate of sedimentation of the organic matters and high rate of their decomposition should play an important role providing fast diagenesis of their organic substances. Nevertheless, the particulate matters which had settled onto the sea bed and formed the sediments can be remarkably observed to accumulate in two major zones in the Gulf of Thailand; one in the central part of the upper gulf (around Station 7) and another one in the western part of the gulf, near Samui Island (around Station 23). Such an accumulation pattern was considered to be directly controlled by the bottom topography and current effort. The accumulation of organic materials there also implied the mode of biological fishery resources. High abundant of organisms in the benthic community should be observed. Moreover, according to biogeochemical interaction between the sediment-water interface, phytoplankton production in the overlying water column should be enhanced and, consequently, a congregation of organisms in the upper trophic levels especially those of fish species were accordingly expected. Future assessment for development of the fishery resources in the Gulf of Thailand and the eastern part of Peninsular Malaysia has been discussed.
    Keywords: Fisheries ; Oceanography ; Biogeochemical cycle ; Organic matter ; Phytoplankton ; Sedimentation ; Trophic levels ; Sediment analysis ; Vertical profiles ; Benthos ; South China Sea ; Gulf of Thailand ; Malaysia
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    Format: application/pdf
    Format: 12-33
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  • 46
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    Composition, abundance and distribution of ichthyoplankton in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26265 | 2002 | 2019-02-22 07:16:03 | 26265 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Composition, abundance and distribution of ichthyoplankton were investigated in the South China Sea, western Philippines. Larval fish samples were collected at 31 stations by surface and double oblique tows in April/May 1998. A total of 7371.67 fish larvae, representing 85 families, were collected in the samples. Abundance of fish larvae were dominated by the Myctophidae followed by the Gonostomatidae. The ten most abundant families of fish larvae found in this study were separated into three broad categories: (1) inshore fishes, represented mainly by the Bregmacerotidae, Gobiidae, Apogonidae, and Carangidae;(2) mid zone fishes represented mainly by the Hemiramphidae, Labridae and Engraulidae;(3) offshore fishes represented mainly by the Myctophidae and Gonostomatidae. Depth and time of day appeared to affect the abundance of fish larvae and fish eggs. Fish larvae were found mainly in double oblique tows while fish eggs were found mostly in surface tows. The larvae caught at night were more abundant than larvae caught during the day. Abundance and distribution of tuna larvae are also discussed.
    Keywords: Fisheries ; Oceanography ; Ichthyoplankton ; Abundance ; Fish larvae ; South China Sea ; Philippines ; Gonostomatidae ; Myctophidae
    Repository Name: AquaDocs
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    Format: 148-163
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  • 47
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    Cruise report of MV.SEAFDEC No. 50-4/1998 of the Collaborative Research Survey in the South China Sea, Area III: Western Philippines, 7 April to 19 May 1998 (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26277 | 2002 | 2019-02-21 01:13:46 | 26277 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Details are given of the activities and findings of a cruise conducted by the MV SEAFDEC in western Philippine waters in order to survey the fishery resources in the area. Three major activities were conducted: an acoustic survey; an oceanographic survey; and, fish sampling. These activities were aimed to support data, information and also to provide specimens for 23 research projects in the collaborative research programme for the South China Sea, area III.
    Keywords: Fisheries ; Marine fisheries ; Fishery surveys ; Echo surveys ; Fishery resources ; South China Sea ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 325-329
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  • 48
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    Primary production determination in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26339 | 23782 | 2019-03-22 06:09:02 | 26339 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Primary production in the Gulf of Thailand and the East Coast of Peninsular Malaysia was determined from in situ fluorescence, light intensity in September-October, 1995 cruise, and from the uptake of radioactive carbon incubation in the October, 1996 cruise. The primary production rate was found to be 0.20-0.61 and 0.29-0.47gC/m2/day for the Gulf of Thailand and the East Coast of Peninsular Malaysia, respectively. At nearshore stations, higher rate of primary production was found at sea surface, and it gradually decreased with depth. However, at offshore stations, where subpycnocline chlorophyll maximum was found, the rate was increased again at this layer.
    Keywords: Fisheries ; Phytoplankton ; Primary production ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 135-146
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  • 49
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    Species composition and diversity of fishes in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26346 | 23782 | 2019-03-22 05:56:05 | 26346 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The collaborative research on species composition and diversity of fishes in the Gulf of Thailand and eastern Malay Peninsula was carried out by R. V. Pramong 4 in Thai waters and K.K. Manchong, K.K. Mersuji in Malaysian waters, through otter-board trawling surveys. Taxonomic surveys also done for commercial fishes in the markets of some localities. Totally 300 species from 18 orders and 89 families were obtained. Their diversity are drastically declined, compare to the previous survey from 380 species trawled. The station point of off Ko Chang, eastern Gulf of Thailand and off Pahang River shown significantly high diversity of fishes 57 and 73 species found. Demersal species form the main composition of the catch. The lizardfish Saurida undosquamis, S. miropectoralis, the bigeye Priacanthus tayenus and P. macracanthus, the rabbitfish Siganus canaliculatus and hairtail Trichiurus lepturus were the most abundant economic species found in mast of the sampling stations. Fishing efforts were 34 hours and 49 hours for the cruises I and II, with average catch per hour of 12.04 and 34.79 kg respectively. The maximum catch per hour was 175.3 kg in Malaysian waters, the minimum was 4.33 kg in Thai waters. The average percentage of economic fishes is higher than that of trash fishes in Malaysian waters, it ranged from 55.45 to 81.92 %.
    Keywords: Fisheries ; Marine fisheries ; Marine fish ; Catch composition ; Fishery surveys ; Species diversity ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 172-240
    Format: 69
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  • 50
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    Report of the Seminar on Fishery and Aquaculture Information Systems in Southeast Asia, Bangkok, Thailand, 7-10 February 1989 (2021)
    Secretariat, Southeast Asian Fisheries Development Center in cooperation with the International Development Research Centre. | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26354 | 23782 | 2019-03-22 08:32:14 | 26354 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The need to improve fisheries information management in the region was recognized as early as 1982 when SEAFDEC, in collaboration with IDRC, organized the Seminar on Fisheries Information Science in Southeast Asia. During the Seminar, existing fisheries information systems at the national, international, and regional levels were identified, and corresponding problems and constraints were discussed. The recommendation to strengthen the national information services and to promote regional cooperation/collaboration with a view to improving effective transfer of fishery information within and outside the region was considered. As a sequel to the 1982 Seminar, the SEAFDEC Secretariat organized the SEAFIS Regional Seminar on Fishery and Aquaculture Information Systems in Southeast Asia, held in Bangkok, Thailand, from 7 to 10 February 1989. The list of participants and observers, and the Agenda appear as Annexes 1 and 2. The objectives of the Seminar were to review the current status of fishery and aquaculture information systems in the region, and to determine future activities in order to strengthen collaboration between various information sources in Southeast Asia. The Seminar also aimed to determine the appropriate training programs which could enhance development of fishery information systems in the region as well as improve information management.
    Keywords: Aquaculture ; Fisheries ; Information Management ; South East Asia ; Fisheries ; Aquaculture ; Information systems ; Information services
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 217
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  • 51
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    Distribution of macrobenthos in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26349 | 23782 | 2019-03-22 06:20:51 | 26349 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: A study on the macrobenthos profile was conducted using the research vessel MV SEAFDEC in almost all parts of the Gulf of Thailand and the East Coast of Peninsular Malaysia. A total of 44 stations were located within the Gulf of Thailand and 37 within that of East Coast of Peninsular Malaysia. Two cruises were carried out during the pre-and post-north-east monsoon. Macrobenthos showed greater density in Malaysian waters during the pre-monsoon period with 2500 individuals (at an average 67.6 individuals/m2) compared to the Gulf of Thailand which showed 860 individuals (average 19.5 individuals/m2). However, sampling after the monsoon has indicated quite the reverse, with 2680 individuals (60.9 individuals/m2) found in the Gulf of Thailand compared to 620 individuals (16.8 individuals/m2) in the East Coast of Peninsular Malaysia. All samples from both cruises were dominated by polychaete worms, followed by crustacea. Other groups such as echinoderms, molluscs, nemertians and sipunculids were also observed in lesser quantities. In terms of diversity, the Gulf of Thailand showed less families/taxa before the monsoon (with 20 families) than after the monsoon (with 35 families). The reverse holds true for the east coast of Peninsular Malaysia when 33 families were uncovered before the monsoon compared to 26 families after the monsoon. Among the dominant families/taxa were the polychaetes Cirratulidae, Orbiniidae, Eunicidae and Maldanidae; caridean shrimps and ophiuroids (brittle star).
    Keywords: Fisheries ; Oceanography ; Geographical distribution ; Species diversity ; Population density ; Zoobenthos ; Polychaeta ; Crustacea ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 285-293
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  • 52
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    Multi-species fish stock assessment by acoustic method in the South China Sea Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26352 | 23782 | 2019-03-22 06:59:54 | 26352 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Acoustic resource surveys were conducted by M/V SEAFDEC in the Gulf of Thailand and off the east coast of Peninsular Malaysia from September 5 to 28, 1995 for pre-NE monsoon season and from April 24 to May 17, 1996 for post-NE monsoon season, using the scientific echosounder FQ-70 (Furuno Electric Co.). Collected raw values of backscattering strength (SV) from the 200 kHz were carefully corrected and filtered to eliminate the influence of plankton. These corrected SV values were classified into pelagic and demersal fish, and were used to estimate the biomass of pelagic and demersal multispecies fish. Biomass of pelagic and demersal fish for each season was only estimated in the east coast of Peninsular Malaysia within Malaysian EEZ waters due to the availability of previous fisheries statistics and biological data. Dominant species were selected based on the fisheries statistics and landing place survey. Length (L) and weight were obtained from previous literatures. Target strength (TS) of these dominant species were calculated as TS =20 log (L) -66. The distribution of the SV values for pelagic fish showed a distinct difference between preand post- monsoon seasons. Greater concentrations of SVs were observed from offshore compared to the nearshore waters in pre-monsoon season. The distribution for the demersal fish showed that there was no clear difference between pre- and post-monsoon. The estimated biomass of multi-species fish off the east coast of Peninsular Malaysia within Malaysian EEZ for the pre-and post-monsoon seasons was 4.4x105 tonnes (2.3x105 tonnes of pelagic fish and 2.1x 105 tonnes of demersal fish) and 3.1x105 tonnes (1.9x105 tonnes of pelagic fish and 1.2x 105 tonnes of demersal fish), respectively.
    Keywords: Fisheries ; Pelagic fisheries ; Fishery surveys ; Stock assessment ; Demersal fisheries ; Echo surveys ; Multispecies fisheries ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 336-346
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  • 53
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    Biomass estimation by hydro-acoustic methods in the Gulf of Thailand and Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26353 | 23782 | 2019-03-22 07:10:41 | 26353 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The abundance of fisheries resources and their structure in the Gulf of Thailand and East coast of Peninsular Malaysia were investigated during the SEAFDEC Collaborative Research Survey. Hydro-acoustic surveying using a scientific echo sounder model FQ-70 was conducted to estimate the fish abundance and biomass. Two survey cruises were carried out by M.V.SEAFDEC during the pre and post-northeast monsoon seasons. The scientific echo-sounder was equipped with an echo-integrator and two quasi-ideal beam transducers with operating frequencies of 50 and 200 kHz. The volume back scattering strength (SV) of the fish schools were collected from the layer of water at a depth from 10 m to the bottom along the track of survey cruise. The estimated biomass measured by high frequency shows clearly that a high concentration is observed at the upper and middle part of the Gulf of Thailand and the border area between Thailand and Malaysia waters during the pre-northeast monsoon season. Whereas, high biomass concentration shows only in the middle part of the Gulf of Thailand during the post-northeast monsoon season.
    Keywords: Fisheries ; Marine fisheries ; Fishery surveys ; Stock assessment ; Echo surveys ; Biomass ; Monsoons ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 347-366
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  • 54
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    Fish taxonomic studies in the South China Sea, Area IV: Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26377 | 23782 | 2019-04-05 03:46:21 | 26377 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Work was undertaken on fish taxonomy of marine fish found in Vietnamese waters in order to revise the “Field guide to important commercial marine fishes of the South China Sea”. Two field surveys were carried out at 9 separate locations from April 23 to May 17, and 2 other locations from September 20-26, 1999. A total of 442 specimens of fish from 107 different families were collected and photographed. Among the 442 specimens, 336 specimens were successfully identified to the species level, 99 specimens to the genus level, and only 7 specimens to the family level. The sampling areas at Qui Nhon, Nha Trang and Phan Thiet provided the most number of samples of 96, 94 and 79 fish, respectively. A total of 348 fish were new candidates for the Field Guide. More field surveys are necessary to cover the rather extensive array of new fish specimens expected to be found in these waters.
    Keywords: Fisheries ; Marine fish ; Catch composition ; Ecological associations ; Check lists ; Taxonomy ; Viet Nam ; South China Sea
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 41-54
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  • 55
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    Pelagic stock assessment by hydroacoustic method in the South China Sea, Area IV: Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26374 | 23782 | 2019-04-04 03:30:40 | 26374 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: A collaborative acoustic survey between the Research Institute of Marine Products (RIMP), Vietnam and the Marine Fishery Resources Development and Management Department (MFRDMD) of SEAFDEC, was carried out in Vietnam waters from April, 29 to May, 29 1999. Survey was conducted by using the scientific echo sounder, FQ70 installed on board of MV SEAFDEC. Survey transects were designed perpendicular to the coastline with standard length of 60 nautical miles. The vessel was cruised at 10 knot and stopped at each station for oceanographical sampling. During cruising, the back scattering strength, SV were collected and saved in multiple storage media. SV values were verified during data analyses by removing any noise and scattering layers. The back scattering values by area (SA) is calculated and the fish density by transects are produced. Using those parameters, the biomass of pelagic is estimated based on representative species from the sampling program and national fisheries statistics. Pelagic biomass in Vietnamese waters was estimated at 9.26 x 106 tonnes with the average density of 15.93 tonnes/km2. This estimation is based on dominance species of Decapterus maruadsi.
    Keywords: Fisheries ; Backscatter ; Pelagic fisheries ; Stock assessment ; Echo surveys ; Viet Nam ; South China Sea
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  • 56
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    Coastal resource management in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26650 | 23782 | 2019-07-29 08:38:23 | 26650 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Major problems that beset the Philippines fisheries sector are degradation of coastal habitats and environmental damage; depleting of marine resources; poverty among municipal fisher folks; low productivity of aquaculture; and limited utilization of the offshore waters by Philippines commercial fishermen. The Government as well as the academe, NGOs/POs and the local government units (LGUs) is implementing integrated Coastal Resource Management (CRM) programs to address the problems of the sector. Policies related to resource management have been instituted to assist the different agencies and organizations in carrying out their roles and responsibilities in CRM. There is no straight rule in implementing an integrated CRM program. Its success depends upon the infractions between and among the stakeholders of the coastal area. CRM components such as credit for alternative/supplemental livelihood and law enforcement do not fare well in some coastal communities, while components such as public education, capability building, habitat enhancement/rehabilitation and people s participation are carried out successfully. Experiences of the government sector, LGU, NGO/PO and the academe show success stories that inspire them to continue with CRM initiatives while failures encountered serve as reminders of the pitfalls to avoid when implementing an integrated management of coastal resources.
    Keywords: Fisheries ; Fishery management ; Coastal fisheries ; Philippines
    Repository Name: AquaDocs
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    Format: 80-85
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    Interchange and outcome in coastal fisheries management (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26649 | 23782 | 2019-07-30 02:08:24 | 26649 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery management ; Coastal fisheries ; Fishery regulations ; Myanmar
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 73-79
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  • 58
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    Economic concept of community-based management for coastal fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26658 | 23782 | 2019-07-29 07:12:36 | 26658 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Open-access fishery has led to problems of overfishing and dissipation of resource rent. Among fishery biologist maximum sustainable yields are preferred. To economists, the optimal level of fishing is at maximum economic yield where resource rent and consumer surplus are maximized. Nevertheless, conventional management schemes by central authority are inefficient among tropic coastal state countries with multi-species, multi-gear fisheries, Community-based fisheries management (CBFM) is then in an option for a a better cost effective management schemes Resource rent can be maximized while resources will be more abundant but at the cost of decreasing consumer surplus. There is a plausible under fishing in adopting CBFM, Supportive institutional framework, strong local organization, exclusivity of fishing against outsiders, sedentary/inshore fisheries, and recognition on fisherman social status are positive factors advocating the adoption of CBFM while the negative factors are the opposite, plus heterogeneity of fishermen and problems of equity in access to fishing. Economics of CBFM is actually the distribution of control power due to market failure. There are external elements given to the local fishermen who can only control their internal decisions. The optimum is obtained where marginal benefit of CBFM equals marginal cost. Factors to be considered are transaction costs, including exclusivity and governance costs. In adopting CBFM maximizing resource rent must be combined with minimizing transaction costs for an optimum fishing level.
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Fishery economics
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 169-175
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    Sustainable management and development fishing in near shore areas of Vietnam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26652 | 23782 | 2019-07-29 08:25:40 | 26652 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery management ; Fishery resources ; Fishery development ; Sustainable fishing ; Vietnam
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 95-101
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  • 60
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    Management of coastal fish resources (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26656 | 23782 | 2019-07-29 07:22:25 | 26656 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery resources ; Fishery management ; Coastal fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 143-146
    Format: 4
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  • 61
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    Sea cucumber fisheries, utilization and trade in Indonesia (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26787 | 23782 | 2019-10-01 03:09:12 | 26787 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Echinoderm fisheries ; Check lists ; Habitat ; Geographical distribution ; Fishery economics ; Trade ; Resource management ; Resource conservation ; Indonesia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 30-40
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  • 62
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    Sea cucumber fisheries, utilization and trade in Malaysia (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26788 | 23782 | 2019-10-01 03:04:43 | 26788 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Echinoderm fisheries ; Taxonomy ; Biology ; Geographical distribution ; Fish utilization ; Trade ; Fishery economics ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 41-62
    Format: 22
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  • 63
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    Sea cucumber fisheries, utilization and trade in the Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26789 | 23782 | 2019-10-01 03:01:23 | 26789 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Echinoderm fisheries ; Taxonomy ; Biology ; Fish utilization ; Fishery economics ; Trade ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 68-94
    Format: 27
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  • 64
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    Sea cucumber fisheries, utilization and trade in Myanmar (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26786 | 23782 | 2019-10-01 03:12:53 | 26786 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Echinoderm fisheries ; Taxonomy ; Fishery economics ; Trade ; Myanmar
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 63-67
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  • 65
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    Methodology to estimate bycatch and discards (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26231 | 17342 | 2019-02-13 06:26:15 | 26231 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: FAO Fisheries Technical Paper 339 (1994) provided the first estimation of global bycatch and discards, however, the estimated discards of 27 million tons have been abolished at FAO Consultation Meeting in Tokyo (1996). This was attributed to application of its discard ratios, total discard/landing of target species, to total landing with little respect to multi-species fisheries, which resulted in over-estimates of fishing effort and, consequently, discards. In order to determine the methodology for estimation of discards in multi-species fisheries in Asia, it is important to take into account; (1) it is difficult to segregate target and bycatch species, and (2) discards of species are not necessarily correlated to landing of single species positively. Therefore, the realistic approach is to define discard ratios as total discard/total landing and species discard ratios, if necessary, also against total landing in each fishing sector. Several methods to estimate bycatch and discards have been proposed recently with increasing concern to by-catch and discard issues, while information of by-catch in multi-species fisheries is scarce. Researches on characteristic discards in multi-species fisheries in the Region must be promoted for the regional fisheries to contribute in the international fisheries management.
    Keywords: Fisheries ; By catch ; Discards ; Post harvest losses ; Mathematical analysis ; Fishery resources ; Resource conservation ; Resource management ; Statistics ; Statistical analysis
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 207-217
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  • 66
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    Guidelines for responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26230 | 17342 | 2019-02-13 06:30:34 | 26230 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: A document, Technical Guidelines for Responsible Fisheries, Vol. 1: Fishing Operations has been recently published by FAO to provide practical advice on implementing the provisions of Article 8 of the Code of Conduct regarding fishing operations to ensure all fishing operations are conducted responsibly. These Technical Guidelines are addressed to States, international organizations, fisheries management bodies, owners, managers and charterers of fishing vessels as well as fishers and their organizations. While the Guidelines may be applied by States on a voluntary basis, they give specific responsibility to all States, including Flag States and Port States, to research institutions for resources and environment, and for the fisheries sector in general, in the country and abroad. They also indicate, in detail, the fishing operators’ responsibilities, including proper equipping of fishing vessels, furnishing of documents, authorizations and certificates, as required, respecting of all existing regulations, and reporting in detail on fishing operations and catch, etc. In practice, compliance with the recommendations of the Code regarding fishing operation are very exacting for fishery administrations, skippers and fishermen. To assist in this matter, a number of meetings will be organized in various parts of the world to discuss specific aspects such as fishing gear selectivity and responsible fishing practices, and several global programmes have been elaborated to assist in the training, including responsible fisheries practices, of fishing operators, or for establishment and operation of Monitoring, Control and Surveillance (MCS). Regional bodies and NGOs are taking measures to spread the message about responsible fisheries practices.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Fisheries ; FAO Code of Conduct for Responsible Fisheries ; Guidelines ; Fishery management ; Resource management ; Fishery policy
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 198-206
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    Methodology of evaluating selectivity performance - two selective processes of trawl sorting devices: Fish encountering and being sieved (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26233 | 17342 | 2019-02-13 06:13:50 | 26233 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The mesh selectivity of each mesh size is a basic study for size-sorting, and usually expresses the proportion retained as a function of the body length of a fish. It is however likely to depend more directly on the relationship between the girth of fish and mesh perimeter whether a fish can pass through a mesh. Selectivity curves sm (G / p) fitted to some experimental data in terms of the ratio of girth G to mesh perimeter p coincided closely for several species of different body shape. This means that geometrically similar combinations of mesh perimeter and girth have the same selectivity, and also suggests that a master curve based on girth to mesh perimeter allow estimation of the selectivity curve with girth-length relationship. The master curve analysis method is useful in particular for multi-species trawl fishery in tropical and sub-tropical areas. From the Nordmore grid fishing experiments, the grid had size-selectivity by barspacing in the similar as well as codend mesh selectivity. As far as grids have size-selectivity as a sieve process, sorting efficiency must depend not only on barspacing but also on length distributions of each species, and therefore the appropriate bar-space should be determined for sorting. The master curve analysis method can be applied to grid selectivity (proportion of fish retained by the grid). Sieving process of sorting device like grid and square mesh window panel is valid only for fishes encountering it. Another point in the sorting efficiency is the encounter probability defined as a proportion of a fish encountering the sorting device.
    Keywords: Fisheries ; Formulae ; Mathematical models ; Trawl nets ; Trawling ; Mesh selectivity ; Gear selectivity ; Fishing gear
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 242-250
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  • 68
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    Status of fishing conditions in Japan in relation to responsible fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26218 | 17342 | 2019-02-08 06:07:24 | 26218 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The presence of a large number of species that are low in quantity in Japan's coastal waters has resulted in the evolution of a food culture that has historically utilized most of the catch species and sizes that are caught in coastal trawls. This has resulted in a diverse range of species and sizes captured and amounts to 40% of total animal protein intake. Sustainable fisheries in Japan are necessary for preserving food culture as well as employment and income and great efforts are being made to conserve resources. Three strategies have been carried on for conservation of fisheries in Japan, are (1) Enhancement of Fish stocks, (2) Improvement of fishing grounds and (3) Improving the selectivity of fishing gears. Increasing mesh size and release of fish juveniles after capture has already been accepted by fishers. Fishers and scientists together have become a team in developing and testing selective fishing gears. Selectivity has been investigated on a practical basis with the aim to reduce fish discards and to release fish juveniles. However, unlike many western countries, guiding net panels and grids to improve selectivity have not been successful in Japanese coastal multi-species fisheries. The variations in size, shape, price and seasonally of species make development of selective fishing gears extremely complex. Our practical target is to promote live capture technology, improve utilization of species captured and refine catch records for investigation of fish stocks.
    Keywords: Fisheries ; Sustainable fishing ; Fishery resources ; Resource conservation ; Stocking (organisms) ; Fishing gear ; Gear selectivity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 87-99
    Format: 13
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    Experiments on the use of turtle excluder devices (TEDs) in Malaysian waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26236 | 17342 | 2019-02-13 06:01:12 | 26236 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Trawl experiments deploying a research vessel and two chartered fishermen s boats were conducted to study the suitability of different types of Turtle Excluder Devices attached to the local shrimp trawl nets. A total of 23 hauls from R.V. Kerapu 1 and 24 hauls from chartered boats were made during the study in Zone A, i.e area from shore line to 5 nautical miles). The catches were classified into three different groups namely: shrimp, fish and trash fish to observe the effect of TEDs on catch rates. Two types of TTFD (Thai Turtle Free Device with slight modification) were tested namely: small TED (80cm X 80 cm) and medium TED (80cm X 100cm). The TEDs angle for research vessel and fishermen’s boat were 45° and 55° respectively. The TEDs was designed in such a way to escape the marine turtle while at the same time maintaining the catch. The result showed that, TEDs prevented marine turtles from being trapped in the net but did not affect the catch of fish and shrimp. The average total escape rates by weight of the small and middle size of TEDs in research vessel were found to be 2.3% and 5.25% for day time operation and 0.01% and 4.67% during the night time operation respectively. The escape rates of small and medium size of TEDs in fishermen s boat were 6.53% and 4.05% for day time and 3.34% and 7.7% during night operation respectively. However, the result of the study showed that the use of TEDs did not reduce the catch rate of shrimp. Therefore the small and medium sizes of TEDs were found to be suitable for the use by Malaysian fishermen.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; Trash fish
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 298-307
    Format: 10
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  • 70
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    Study on turtle excluder and by-catch reduction devices in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26237 | 17342 | 2019-02-13 07:20:20 | 26237 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Experimental test-fishing of different TED types, namely : modified Thai Turtle Free Device (TTFD), Super Shooter (SS) and Hooped TED were conducted for eight (8) fishing days in March and April 1997 in Manila Bay. Assessment of the TED performance, i.e. its separating efficiency (escapement) and effect to catch (retained) was observed. Likewise, a single cod-end trawl (without TED) was also tested to serve as control. A total catch of 538.3 kgs. were obtained from thirty-two (32) sets of tow or eight (8) tows for each type. Of these, retained catch was 459.62 kgs. (85.38% relative abundance) while escaped accounts a total of 78.7 kgs. or 14.62% of the over-all catch. Lowest escapement was recorded in the modified TTFD with a total of 13.64 kgs or a mean escapement rate of 1.71 kgs. per hour of dragging (11.55% of the over-all catch). The modified TTFD, likewise, has the highest total of shrimps retained with 8.83 kgs or 1.10 kgs/hr (8.45% of the mean total retain) which is slightly higher than the control. Relative escapement rate for shrimps was recorded least in the SS with 0.05 kgs/hr followed closely by modified TTFD with 0.07 kgs/hr/drag. Initial results indicated that the modified TTFD has a better output if the TED performance factor to be considered were least escapement rate and higher shrimp catching efficiency. It is imperative that more test trials be conducted to validate each of the TEDs efficiency. Proof of the actual turtle release is also very crucial to support the use of trawl-fitted with TEDs. Some by-catch reduction devices were also tried. Sorting efficiency of shrimp selective devise with upper and lower panels was tested in shrimp trawl. Shrimps were expected to concentrate at the upper portion because of its behaviour. Preliminary results indicated that greater catching efficiency of the lower bag was observed. Catch difference between shrimps and by-catch at the upper and lower portion of separator grid was significant and sorting efficiency of shrimps from by-catch was low. Studies on square-meshed codends for trawl and Danish seine, and purse seine mesh selectivity are also presented.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Escarpments ; Catch composition ; Catch statistics ; Shrimp fisheries ; Seine nets ; Fishing nets ; Seining ; Net fishing ; Commercial fishing ; Pelagic fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 308-328
    Format: 21
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  • 71
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    Training and extension on selective fishing in the Philippines (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26242 | 17342 | 2019-02-13 03:38:33 | 26242 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Effective conservation and management of the Philippine fishery and aquatic resources must be given due considerations. The Code of Conduct for Responsible Fisheries specifically on Article 7, Section 7.1.1 on Fisheries Management emphasized that the States and all those engaged in fisheries management through appropriate policy, legal and institutional framework should adopt measures for long term conservation and sustainable use of fisheries resources in all political units whether at local, national, subregional or regional levels. Article 8 on Fishing Operations Section 8.1.7 mentioned also that the States should enhance the skills of fishers through appropriate education and training programs which are agreeable to international standards and guidelines; Article 8.5 on Fishing Gear Selectivity, Section 8.5.2 contain that in order to improve selectivity, States should continue drawing up laws and regulations and shall take into account the range of selective fishing gears, methods and strategies available to the industry. The marine fisheries in the Philippines at present is on its crucial stage in view of the overexploitation of majority of the fishery resources and fishing grounds in coastal areas. The fisherfolk in the coastal ecosystem suffered from the destruction caused by illegal fishing practices such as the use of active and exploitative fishing gears/accessories (e.g. trawl, halide lamp in municipal waters), occurrence of cyanide and dynamite fishing, red tide bloom and fish kills. More likely the management of offshore waters should be looked into to avoid further degradation of resources. In view of these situations, sustainable fishing operation techniques as well as programs/strategies to conserve, rehabilitate and manage the country s overall fishery and aquatic resources should be introduced through training and extension as management support strategies. The Training Program component is comprised of knowledge, skills and competencies development and upgrading; preparation of project models; establishment of pilot demonstration project and monitoring and evaluation of the project results and impacts. The Extension Program component includes technical assistance; management and operation of pilot demonstration projects; provision of support services and credit facilities.
    Keywords: Fisheries ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 375-388
    Format: 14
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  • 72
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    Ecological aspects of oceanic squid, Sthenoteuthis oualaniensis (Lesson) in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26262 | 2002 | 2019-03-01 05:39:50 | 26262 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: In an attempt to come up with initial jigging fishery on oceanic squid in the Southeast Asian Region SEAFDEC conducted a comparative study on the squid in the Philippines Exclusive Economic Zone off the coast of Western Philippines from 17 April to 9 May 1998. The survey objectives are to determine the distribution and abundance of the oceanic squid in relation to oceanographic conditions and to examine the feasibility of harvesting squid with jig gear. Results from 11 sampling stations show that only one species of the purpleback flying squid, Sthenoteuthis oualaniensis (Lesson, 1930) were caught by automatic squid jigging gear. The distribution and abundance of the purpleback flying squid in term of the catch-per-unit effort (CPUE, number of squid per line hour) are presented. Over the entire survey area, the CPUE of the squid averaged 5.7 squids/line hour. Drop-off rates for jigs fished on the jigging machines ranged from 0 to 0.33 squid/line hour. Angling depth where the squid were abundant ranged from 50 m to 100 m. The squid had a mean overall mantle length of 147 mm and an average weight of 0.17 kg. A total of 2,592 squid were measured and mantle length ranged from 90 to 250 mm. Female dominated the catch, accounting for 1,380 squid or 81% of the 1,701 squid sexed. Males were generally smaller than females. The mantle length composition for males was single peak mode at between 120 and 130 mm. Females also had one peak between 140 and 150 mm mantle length. A similar length-weight relationship coefficients between male and female was found. The squid were found in a warm water mass where the sea temperature ranged from 14°C to 31°C at the depth from 150m up to sea surface at night. Good fishing grounds of the squid were at 18°N latitude (18.5 squids/line hour) and at 19°N latitude (11.6 squids/line hour) off the San Fernando and Currimao coasts, respectively where the upwelling occurred. Dissolved oxygen where squid abundant was ranged from 3.27 to 4.4 ml/l. Downwelling was found at 16°N along the 118°E where less potential of the squid, the water transparency depth in this area was deep of about 44 m. A period of 6 days before and after full moon day was good fishing day, while the percent illumination of the moon was less than 30%.
    Keywords: Fisheries ; Jigging ; Cephalopod fisheries ; Population structure ; Fishery oceanography ; Environmental conditions ; Fishery biology ; South China Sea ; Philippines ; Sthenoteuthis oualaniensis
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 101-117
    Format: 17
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  • 73
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    Geostrophic and tidal currents in the South China Sea, Area III: West Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26275 | 2002 | 2019-02-21 01:16:31 | 26275 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The findings are presented of observations made during the SEAFDEC cruise conducted in western Philippines waters during the period mid April-mid May 1998 regarding the geostrophic and tidal currents. The dynamic high and low in the study area were owed to the relative vertical movement of water. The high area reflected a downward movement or downwelling in which as far as fisheries is concerned, is less potential for fisheries. The low dynamic surface due to cyclonic eddy caused by wind turbulence near the head of Luzon Island indicated a potential fishing ground for this season. Wind-dominated circulation with some orographic effects suggested that potential fishing grounds might be located for each season from wind data from coastal as well as ship stations.
    Keywords: Fisheries ; Oceanography ; Geostrophic flow ; Fishing grounds ; Fishery oceanography ; Current observations ; Tidal currents ; South China Sea ; Philippines
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 308-315
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    Proceedings of the Third Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area III: Western Philippines, 13-15 July 1999 (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26278 | 2002 | 2019-03-01 06:39:00 | 26278 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The Seminar presents an analysis of the results of the fisheries and oceanographic survey covering the waters of western Philippines, Area III, conducted during the period April-May 1998 by the M.V. SEAFDEC. A total of 23 papers are included in the following 4 sections: 1) Fisheries resources; 2) Fishery biology; 3) Primary production; and, 4) Fishery oceanography and marine pollution.
    Keywords: Fisheries ; Oceanography ; Pollution ; Marine fisheries ; Conferences ; Fishery surveys ; Fishery oceanography ; Fishery biology ; Fishery resources ; South China Sea ; Philippines
    Repository Name: AquaDocs
    Type: book
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    Format: application/pdf
    Format: 336
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    Temporal changes in the abundance of macrobenthos in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26345 | 23782 | 2019-03-22 05:43:06 | 26345 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The ecology of macrobenthic fauna in the Gulf of Thailand and the east coast of Peninsular Malaysia was studied for two periods of time at pre NE monsoon (4 Sep.- 4 Oct. 1995) and post NE monsoon (23 Apr. -23 May, 1996). It was found that the overall abundance of macrobenthic fauna presented the highest density at station 52 (920 ind. m-2). Polychaete was the dominant group in the benthic communities. The result of the survey of the ecology of benthic fauna shows that the fauna density increases with a decreasing water depth. Polychaete, Crustacea and Echinoderm groups displayed a marked change in density with the during period of the monsoon and the diversity index showed different patterns during the pre and post NE monsoon periods.
    Keywords: Fisheries ; Oceanography ; Species diversity ; Abundance ; Population density ; Zoobenthos ; Monsoons ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 156-171
    Format: 16
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    Proceedings of the First Technical Seminar on Marine Fishery Resources Survey in the South China Sea Area I: Gulf of Thailand and East Coast of Peninsular Malaysia, 24-26 Nov. 1997 Bangkok, Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26319 | 23782 | 2019-04-02 05:56:37 | 26319 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The Seminar presents an analysis of the research findings obtained during 2 cruises of the Training and Research Vessel M.V. SEAFDEC, conducted in the Gulf of Thailand and along the East Coast of Peninsular Malaysia to evaluate the fisheries resources. A total of 21 papers are included in the following 5 sections: Oceanography; Environmental studies; Primary production; Fishery biology; and Fishery resources.
    Keywords: Fisheries ; Marine fisheries ; Fishery surveys ; Fishery oceanography ; Fishery biology ; Fishery resources ; Conferences
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 366
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  • 77
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    Recent developments in the ASFIS programme (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26372 | 23782 | 2019-04-04 01:40:04 | 26372 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Information systems ; Information services ; Data collections ; Information centres ; Fishery data
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 211-217
    Format: 7
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  • 78
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    Microplankton (including dinoflagellate and foraminifera) in the South China Sea, Area I: Gulf of Thailand and Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26351 | 23782 | 2019-03-22 06:50:38 | 26351 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Joint collaborative research surveys in the Gulf of Thailand and the South China Sea around the east coast of Peninsular Malaysia during the pre northeast monsoon (4 September - 4 October, 1995) and the post northeast monsoon (24 April - 17 May, 1996) periods were carried out on board the MV SEAFDEC. The microplankton from the sampling stations consisted of more than 205 taxa consisting predominantly of blue green algae (2 species), diatoms (〉 120 species), dinoflagellates (〉 80 species) and microzooplankton (〉 30 groups). The dominant diatom species comprised of Chaetoceros lorenzianum, C. coastatum, Thalassionema frauenfeldii, Skeletonema costatum, Pleurosigma elongatum, Bacteriastrum comosun, Bacillaria paxillifera, Coscinodiscus jonesianus and Rhizosolenia calcar-avis. The genera Chaetoceros, Rhizosolenia, Coscinodiscus, Bacteriastrum and Ceratium were found to contain a wide range of species. Skeletonema bloom (1.12 x 106/m3; 47% of the total cell count) occurred around the Johore waters of the South China Sea. Dinoflagellate was also present during the premonsoon period, especially in offshore waters of the Gulf of Thailand and Terengganu nearshore waters of the South China Sea. The microzooplankton consisted of more than 30 species dominated by copepod nauplii while the foraminifera consisted mainly of the Globigerina species. The diversity index (H) and evenness index (J) values were usually high at stations near to the coast.
    Keywords: Fisheries ; Oceanography ; Dominant species ; Species diversity ; Plankton ; Foraminifera ; Bacillariophyta ; Dinoflagellata ; Cybiosarda elegans ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 310-335
    Format: 26
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  • 79
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    Kinds, abundance and distribution of the fish larvae in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26347 | 23782 | 2019-03-22 06:00:35 | 26347 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Fish larvae samples were obtained from 81 stations in the Gulf of Thailand and the east coast of (Peninsular) Malaysia during the pre-northeast monsoon season (4 Sept - 4 Oct 1995) and the post-northeast monsoon (23 Apr - 23 May 1996). About 30 minutes were needed to obtain the samples from the surface layer and an oblique haul at each station. Around 73 families and 97 species of fish larvae were found among these pre and post-northeast monsoon specimens. For the pre-northeast monsoon sampling, there were 10,422 individuals from 66 families and 91 species in the surface horizontal hauls and 34,779 individuals from 63 families and 84 species in the oblique hauls. The post-northeast monsoon collection showed 11,875 individuals from 54 families and 74 species in the surface horizontal hauls and 32,541 individuals from 53 families and 73 species in the oblique hauls. From the surface layer, the most abundant larvae were Stolephorus sp., Sardinella sp., Gobiidae and Upeneus sp. respectively. Specimens from the oblique hauls showed Gobiidae, Stolephorus sp., Bregmaceres rarisquamosus and Nemipterus sp. to be most abundant in the collection.
    Keywords: Fisheries ; Marine fish ; Abundance ; Fish larvae ; Monsoons ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 241-255
    Format: 15
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  • 80
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    The Philippine Council for Aquatic and Marine Research and Development (PCAMRD) and its national information program (2021)
    Secretariat, Southeast Asian Fisheries Development Center in cooperation with the International Development Research Centre. | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26358 | 23782 | 2019-04-02 03:27:03 | 26358 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Information systems ; Information handling ; Information services ; Fishery data ; Fisheries ; Documents ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 81-91
    Format: 11
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  • 81
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    Current status and activities of fishery and aquaculture information sources in Southeast Asia - MALFIS (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26356 | 23782 | 2019-04-02 02:54:20 | 26356 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Aquaculture ; Fisheries ; Information Management ; Information systems ; Fishery data ; Data processing ; Fisheries ; Aquaculture ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 65-70
    Format: 6
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  • 82
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    The fishery information of the Department of Fisheries, Thailand (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26362 | 23782 | 2019-04-02 05:27:50 | 26362 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Information handling ; Information services ; Information systems ; Fishery data ; Documents ; Libraries ; Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 113-123
    Format: 11
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  • 83
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    Information activities of the Bay of Bengal Programme (BOBP) (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26365 | 23782 | 2019-04-02 05:52:52 | 26365 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Information Management ; Artisanal fishing ; Information services ; Fishery data ; Libraries ; Documentation ; Documents
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 145-151
    Format: 7
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  • 84
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    Tuna resource exploration with tuna longline in the South China Sea, Area IV: Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26376 | 23782 | 2019-04-05 03:42:53 | 26376 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: The survey was designed to be carried out only in the central part of the whole area which was considered as deep sea or oceanic zone. Depth of water is mostly more than 1,000 m deep. The exploration area was covered from latitude 7°-30.0’ N to latitude 16°-00.0’ N and longitude 110°-00.0’ E to longitude 112°-30.1’ E covering around 72,000 square miles. Surface temperature varied from 27.4° C to 30.1° C, shallow thermocline layer is still the characteristic of South China Sea fishing ground. It was detached from 15-50 meters depth then water temperature decreased gradually until at the depth of 130-200 m with water temperature around 15.3° C. Three tuna were caught during the survey of M.V. SEAFDEC and many were caught on local fishing boat by both type of fishing gear tuna longline and drift gill net. They are mostly skipjack tuna Katsuwanus pelamis (Linnaeus, 1758) and yellowfin tuna Thunnus albacares (Bonnaterre, 1788) others catch were dolphinfish Coryphaena hippurus (Linnaeus 1758), wahoo Acanthocybium solandri (Cuvier, 1831), shortfin mako shark Isurus oxyrinchus (Rafinesque, 1809), Bigeye thresher shark Alopias superciliosus (Lowe, 1839), swordfish Xiphias gladius (Linnaeus, 1758), Bigtooth pomfret Brama orcini (Cuvier, 1831) and the most abundance was lancetfish Alepissaurus borealis (Gill, 1874). Tuna resource was found more abundance in the middle part of the survey area than the upper and lower. Their swimming layer was around 50 m to 90 m depth.
    Keywords: Fisheries ; Vertical distribution ; Catch composition ; Pelagic fisheries ; Fishery surveys ; Stock assessment ; Longlining ; Fishing grounds ; Thermocline ; Tuna fisheries ; Fishery resources ; Alopias superciliosus ; Coryphaena hippurus ; Xiphias gladius ; Thunnus albacares ; Acanthocybium solandri ; Isurus oxyrinchus ; Euthynnus pelamis ; Brama orcini ; Alepisaurus ferox ; Viet Nam ; South China Sea
    Repository Name: AquaDocs
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    Format: 29-40
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  • 85
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    Study on biology of tuna in the South China Sea, Area IV; Vietnamese waters (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26382 | 23782 | 2019-04-05 06:49:51 | 26382 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2021-07-24
    Description: Tuna and tuna-like species are recognized as the most promising target species in off-shore waters of Vietnam. The first studies on biology of tuna were conducted in 1960. To ensure the sustainable exploitation of tuna resources in off-shore waters, studies on biology of tuna are being carried out by the Research Institute of Marine Products. Materials on biology of tuna were collected on board of research and commercial vessels. Fishing gears were drift gillnets with different mesh-size and longline. The results of study showed that tuna and tuna-like species are distributed widely in both neritic and oceanic waters of Vietnam. The percentage of Skipjack tuna caught by gillnet in total catch was highest (25.3 %) then followed by Frigate mackerel (8.9) and Bullet tuna (3.4). Yellowfin and Bigeye tunas were dominant in catch by longline. Biological characteristics of four species of tuna like length frequency distribution, reproduction, feeding, growth and recruitment, mortality rate were described. The author proposed that the further studies on tuna would be conducted in collaboration among countries bordering the South China Sea.
    Keywords: Biology ; Fisheries ; Length-weight relationships ; Feeding ; Growth ; Potential resources ; Recruitment ; Reproduction ; Fishery development ; Tuna fisheries ; Scombroidei ; Viet Nam ; South China Sea
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 146-168
    Format: 23
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  • 86
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    Species composition and diversity of fishes in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26412 | 23782 | 2019-04-10 07:50:47 | 26412 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The collaborative research on species composition and diversity of fishes in the Sabah and Sarawak waters was carried out by using otter-board trawling, through K.K. Manchong, including taxonomic survey for commercial coastal fishes landed in the markets of Sarikei, Bintulu, Miri, Labuan and Kota Kinabalu. Totally 518 species from 24 orders and 108 families were obtained. Hundred and three economic species were obtained from trawling survey and 106 species from the markets. The station point at St. 33 and 48 is the highest species richness, 69 and 70 species found. The highest CPUE were obtained at St. 44 and 48 (196 and 144 kg). Demersal species form main composition of the catches with the 9 dominant economic species. This trawling survey obtained few amount of 37 pelagic species. This survey also found the third record of Hapalogenys analis and Pomadasys auritus from the Southeast Asian waters.
    Keywords: Fisheries ; Oceanography ; Marine fish ; Catch composition ; Trawling ; Fishery surveys ; Species diversity ; Commercial species ; South China Sea ; Malaysia ; Sarawak ; Sabah ; Brunei Darussalam ; Hapalogenys analis ; Pomadasys auritus
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 224-242
    Format: 19
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  • 87
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    Awareness building and participatory approaches in ongoing pilot projects for community-based fisheries management in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26660 | 23782 | 2019-07-23 08:21:10 | 26660 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The problem of fisheries regulation is essentially one of assigning property right to a scarce resource. Community-based, self-regulatory management regimes based upon exclusive use rights accorded to artisanal fishermen are regarded as a key factor in this search for an effective, more sustainable natural resource utilization in Thailand. Community-based Management (CBM) as strategy emphasizes the significance of considering or specify a particular local or setting where people-resources interaction takes place. This paper describes the substantial factors that influence the fishermen’s awareness toward the new regime of the coastal fisheries management, and the advance and difficulties of operational methods in ongoing pilot projects for promoting CBM in the coastal fishing communities.
    Keywords: Fisheries ; Fishermen ; Fishery management ; Participatory approach ; Thailand
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 188-197
    Format: 10
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  • 88
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    Perceptions, values and attitudes of fisherfolk and other coastal stakeholders towards ownership of fisheries resources and its exploitation, management and sustainability (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26662 | 23782 | 2019-07-22 08:43:22 | 26662 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper describes and discusses the values, perceptions and attitudes of fisherfolk and other coastal stakeholders towards ownership of fisheries resources and its exploitation, management and sustainability. It reports on the significant changes and shifts in these values, perceptions and attitudes from the old to the new generation of fisherfolk. Such changes and shifts in values, perceptions, attitudes and mode have been brought about through the spread of awareness and enlightenment of environmental consciousness.
    Keywords: Fisheries ; Fishermen ; Fishery resources ; Fishery management ; Overfishing ; Sustainability
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 210-217
    Format: 8
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  • 89
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    The role of fishery co-operatives in coastal fisheries management (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26668 | 23782 | 2019-07-23 05:32:24 | 26668 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Community based approaches to management of coastal fisheries through fishery co-operatives may offer important opportunities. This is shown in the successes achieved in Japan and other countries. In order to play their role, fishery co-operatives need to be socially and economically successful. This inevitable means that they must have been initiated by the fishing communities themselves, the individual fishermen. They need to see the long term benefits of fishery co-operatives and feel the need to join forces. It is a natural step from development of the fisheries and fishery communities to the management of the fisheries. Governments must decentralize the authority over coastal marine areas and initiate programs to provide fishing communities with authority over adjacent resources. Involving fishery co-operatives in management may not be a quick or easy way to success, but it may well be the most effective way.
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Cooperatives
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 279-288
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  • 90
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    Towards a gender approach: Placing women at the center of fisheries community development (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26674 | 23782 | 2019-07-23 00:58:32 | 26674 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper presents the Philippine experience towards a gender approach, i.e., placing women at the center of fisheries community development. It gives the structural and historical determinants on the status of Filipino women. The government policies and programs for development and the involvement of women were highlighted particularly the Medium-Term Philippine Development Plan (MTPDP) 1993-1998, the Philippine Development Plan for Women (PDPW) and the Fishery Sector Program. The women's role in reproductive i.e., parenting and household management; productive referring to production of marketable goods and services to produce food and cash; and community service which refers to collective consumption of the community, were given emphasis in addition to the specific roles played by women in fisheries development. The needs and problems of women in their participation in fisheries activities were likewise enumerated. Some measures to address the needs and problems were recommended. It was emphasized that women's participation in development can be harnessed by institutionalizing gender-sensitivity and by providing technology and support services.
    Keywords: Fisheries ; Women ; Fisheries ; Fishery development
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 332-342
    Format: 11
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  • 91
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    Women as workers in fishery activities (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26675 | 23782 | 2019-07-23 00:50:11 | 26675 | Southeast Asian Fisheries Development Center, Training Department
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    Publication Date: 2021-07-24
    Description: This paper attempts to present the situation of conflict between the reality of women's role in the fishery sector and the reporting on fisherwomen by official sources.
    Keywords: Fisheries ; Women ; Fishermen ; Fisheries ; Fishermen statistics
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 343-348
    Format: 6
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  • 92
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    Coastal fisheries management in Cambodia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26646 | 23782 | 2019-07-30 03:43:21 | 26646 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Development projects ; Cambodia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 44-49
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  • 93
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    Coastal fisheries management in Phang-Nga Bay (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26651 | 23782 | 2019-07-29 08:34:12 | 26651 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery management ; Coastal fisheries ; Policies ; Phang-Nga Bay
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 86-94
    Format: 9
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  • 94
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    An approach to coastal fisheries management in India (A review in the Bay of Bengal Region, India) (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26655 | 23782 | 2019-07-29 07:42:30 | 26655 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Fishery policy ; Bay of Bengal
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 127-142
    Format: 16
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  • 95
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    Experiences in coastal fisheries management in Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26645 | 23782 | 2019-07-30 05:12:41 | 26645 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Brunei Darussalam
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 37-43
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  • 96
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    Attitude of small-scale fishermen toward the fishing right system in Chantaburi Province (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26661 | 23782 | 2019-07-23 07:57:28 | 26661 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The main theme of the study was to understand the attitude of small-scale fishermen to the fishing right system and the factors influencing their attitude to it in Chantaburi Province. The perception of information of the small-scale fishermen was also determined together with their relationship and attitude toward the fishing right system. The study area was Chantaburi Province in the Eastern Part of Thailand. Data were collected randomly from 300 selected fishermen of 4 Sub-Districts in Chantaburi Province during May, 1995, using personal interview schedules in one on one situation. Product Moment Correlation Coefficient (r) has been used to define the correlation among the variables. Findings showed that 79 % of fishermen agreed that the system will ease the conflict problems between them and the commercial fishermen. Data also showed that the fishermen believed that the system will lead to fishing cost reduction and an increase in their catch. 82 % agreed to take responsibilities on conserving and managing the fisheries resources while 79 % agreed that the government should continue law enforcement. The majority of them also agreed that the government should urgently issue laws and regulations that are required for the system and most of them accepted the need to establish a fishermen group. 74 % of them had an intention to participate in the activities of the group. The r values indicate that the perception of information was highly significantly related to the attitude toward the system.
    Keywords: Fisheries ; Fishermen ; Fishing rights ; Artisanal fishing ; Thailand
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: 198-209
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  • 97
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    An effective investment in coastal fishery management: Thailand's experience (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26666 | 23782 | 2019-07-23 06:02:48 | 26666 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Fishery development ; Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 256-266
    Format: 11
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    Community-based fisheries management system under a limited entry (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26667 | 23782 | 2019-07-23 05:52:32 | 26667 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: In the present paper, the meanings of open access and limited entry and various ways of fisheries management systems are illustrated. Further, the meaning of community-based fisheries management system (CBFM) and its place out of various fisheries management systems is clarified. Japanese experiences reveal that the CBFM can be developed, only when fishermen conceive that fisheries resources are owned by them. Such a circumstance appears, sometimes after the government granted fishing rights to fishermen. Granting fishing rights to fishermen could be the best opportunity for fishermen to establish their own organization, although it may be a primitive one at its initial stage. Right to fish and the functions of fishermen's organization must be legally supported by national laws. Revision of national fishery law is a MUST for all Asian countries in the development of the CBFM.
    Keywords: Fisheries ; Fishery management ; Fishery organizations ; Fishing rights ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 267-278
    Format: 12
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    Encouraging coastal women participation in fisheries management in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26673 | 23782 | 2019-07-23 01:26:54 | 26673 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Coastal inhabitants life cycle in some areas in Indonesia are still have concerned with traditional cultural heritage. Rapidly development next to coastal land for varieties utilization could be encouraged serious threatened for the sustainability of fisheries production. Issue related fisheries resources sustainability in Indonesia actually have long been realized by part of coastal communities, where both male and female inhabitant have always respected to keep and safe the resources. The Japanese fishermen household have used to implemented an annual coastal ceremonial, locally called Nadran. In more directly touch to resources arrangement sound are represent through the traditional communities-based related fisheries management in several areas in Indonesian water includes Panglima Laot ( Sea Commander in Aceh Province; Lubuk Larangan or Prohibited Fishing areas in North Sumatera; Lebak Lebung System in South Sumatera; Sasi in Mallucas and Macera at Tempe Lake, South Sulawesi). This paper would like to explore the coastal Women ability, condition and some constrain faced for their actively participation in fishing community development in Indonesia.
    Keywords: Fisheries ; Women ; Coastal fisheries ; Fishery development ; Fishery management ; Indonesia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 322-331
    Format: 10
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    Natural partners for coastal fisheries management: Community-based fisheries management and integrated coastal management (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26669 | 23782 | 2019-07-23 05:28:45 | 26669 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Coastal fisheries ; Fishery management ; Integrated coastal zone management
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 289-294
    Format: 6
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