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INDONESIA
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan
Published by Universitas Hasanuddin
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Social,
Earth & Planetary Sciences Environmental Science
Arjuna Subject : -
Articles 9 Documents
 1 
Search results for , issue " Vol 1, No 2 (2014)" : 9 Documents clear
Predicting Potential Fishing Zones of Large Pelagic Fish in Mamuju Regency Waters Safruddin, 1; Mukti Zainuddin, 2; Chair Rani, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Journal IPTEKS Pemanfaatan Sumberdaya Perikanan

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Abstract

Large pelagic species such as tuna are known to be abundant in Mamuju Waters, Makassar Strait.  The distribution and abundance of the fish in that area are expected to be related to the distributions of sea surface temperature and chlorophyll-a concentration. This study aims to predict spatial and temporal distribution of the species during the period of June 2013-May 2014.  Probability indices used for detection of tuna potential fishing zones (PFZs) were constructed from a model of satellite-based SST and chlorophyll data in relation to tuna fishery. Results showed that the occurrence of tuna species in Mamuju Water were mostly predicted in areas of 118°12’-118°48’ E 1°48’ – 2°30’S with the total area of approximately 7,495 km2.   The potential fishing zones were mainly found in August.  It was likely that tuna potential fishing zones associated with the preferred oceanographic factors throughout the study area.
Comparison of The Structure Size Yellowfin Tuna (Thunnus albacares) Between Caught at FAD Deep Sea And Shallow Waters at Makassar Strait Wayan Katun, 1; Achmar Mallawa, 2; Nuraini L. Rapi, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Journal IPTEKS Pemanfaatan Sumberdaya Perikanan

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Abstract

Yellowfin tuna (Thunnus albacares) has long been captured by commercial fishery in Makassar Strait using purse seine, trolling line and handline fisheries. It was probably it can cause over exploitation and decrease population structure for that fish. This study aimed to analyze the size structure of yellowfin tuna based on the positions of deep and shallow sea FADs (fish aggregating devices). The data consisted of fish length and weight ) and the size of gonad  maturation,  which were  collected from the  field observation . The  data were analyzed using histogram graph and t- test. The results indicated that the fish length caught in the deep and shallow sea FADs ranged from 30 to120 cm with the average of 101.39 ±2.49 cm, and from 105 to 170 cm with the average of 134.90 ± 1.90, respectively. The fish weight ranged from 20 to75 kg for deep sea FADs and ranged from 0.4 to 35 kg for shallow sea FADs. The first stage of gonad maturation on either female or male occurred at 118.88 cm forklength, where the smallest spawning size on  female  was 126.10 cm forklength.
Management Concept of Skipjack Tuna (Katsuw onus pelamis) Fisheries Within Bone Bay Zone in The Perspective of Sustainability Muh. Jamal, 1; Fedi A. Sondita, 2; Budi Wiryawan, 3; John Haluan, 4
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Journal IPTEKS Pemanfaatan Sumberdaya Perikanan

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Abstract

Fisheries  management  ideally  could  prevent  the  occurrence  of  overfishing which nowadays has occurred globally, including in Indonesia.   On the  basis offishing status and biology of skipjack tuna, as well as analysis of relationship betweensea surface temperature and chlorophyll-a with skipjack tuna catches,  the fisheries management should implement zoning regulation. The north zone was suggested to be prioritized as a conservation area for protecting skipjack juvenile (< 46,5 cm FL) from fishing activity.  The middle and south zones were suggested to be fishing area where sustainable fishing is applied.   The Application of these regulations has an implication on total allowable catches from Bone Bay.  The number has lower value than the previous MSY and F-opt values.  Number of skipjack tuna which was allowed to be caught in the north zone is 573 ton yr-1, in the middle zone was 5,820 ton yr-1 and in the south zone was 2,210 ton yr-1.    Overall, the value of allowed number of skipjack tuna catches in Bone Bay was estimated to be 8,600 ton yr-1  with fishing effort per year is equivalent with 5,376 operational trips from pole and line boats.
Biological Performance Aspect of Skipjack Tuna (Katsuw onus pelamis) Population Captured by Purse Seine in East Season at Flores Sea Achmar Mallawa, 1; Faisal Amir, 2; Mukti Zainuddin, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Journal IPTEKS Pemanfaatan Sumberdaya Perikanan

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Biological performance of skipjack tuna has been done in the Flores Sea during the southeast monsoon (June - August, 2013).   The objective of the research was to analyze biological performance of skipjack tuna captured by purse seine: including size composition,age classes, growth rate, food habit, gonad maturity and suitable length for capture.  Thedata for length structure and age class, the growth rate,  food habit, gonad maturity,  and volumetric fecundity estimation were analyzed using Bhattacharya, Von Bertalanffy, propendance index, histological and volumentric methods, respectively. The results showed that (1) the size structure and age class were different according to the fishing ground location and the fishing season, (2) the average size of fishes captured in the western part of Flores Sea was greater than the eastern one, (3) the average length of fishes catched by purse seine without fish aggregation device (FAD, rumpon) was longer than   that of with FAD, (4) the growth rate of skipjack tuna was slow where the growth coefficient was less than0,5 per year, and the asymptotic length was 106,0 cm FL, (5) the skipjack tuna achieved the mature stage at 45 cm and  at 50 cm length for female and male, respectively, and ready to spawn at 55 cm and 60 cm for male and female , respectively, (6) it was more than 80 % offishes captured by fishermen in the Flores Sea which were not yet suitable size for fishing.
Aplication of Multicriteria Decision Making (MCDM) Method by Weighting Technic Using in Identifying and Designing Marine Protected Area in North Luwu, South Sulawesi Province Chair Rani, 1; M. Natsir Nessa, 2; Ahmad Faisal, 3; M. Farid Samawi, 4
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Journal IPTEKS Pemanfaatan Sumberdaya Perikanan

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This study,in 2012, has successfully formulated with the MCDM for each allocation of space in KKPD allotment (core areas, sustainable fisheries zone, used zone, and other zones). This study aims to identify and map the biophysical conditions and the potential of coastal and marine natural resources in marine conservation area candidate, North Luwu Regency; to identify the areas suitable for the KKPD based on weighting technique with the MCDM method; and to evaluate potential candidates for marine protected areas in the coastal region. This study used a  survey method to perform in situ measurements of physico- chemical parameters, conducted a survey of coastal ecosystems using the transect method. The socio-economic data of coastal communities were collected using the questionnaire. The biophysical conditions and marine resources were analyzed using descriptive statistical methods. The results showed that the  candidate region has a rich diversity   of coastal ecosystems, but the ecosystem, particularly seagrass beds and coral reefs have been in damaged category. Only the mangrove ecosystem that was still in a good condition category with moderate-to-heavy levels of density. It was discovered 2 regions corresponding to the allotment of the Core Zone, which is in the Region I and III with the total area of 654.22 hectares. For sustainable fisheries zone, Region II and IV would be the first choice with the total area of 620.27 hectares. The Used Zone was identified in the Region V with total area of480.66 hectares. The total area of the region was equal to 1755.15 hectares.
The Productivity of Fishing Spanish Mackerel (Scomberomorus commerson) using a Hand Line in the Waters Off Bintan Regency Jumsurizal, 1; Alfa Nelwan, 2; Muh. Kurnia, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
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Mackerel is one of the main targets of hand line fishing in the   Tambelan coastal waters, Bintan Regency. The mackerel catch data were collected by following the hand line fishing operation as many as  40 trips from December 2013 to April 2014. The productivity data of hand line fishing were calculated based on the time of fishing operations (morning, noon, afternoon). The average productivity of hand line fishing in the morning, daytime and afternoon  were  0.051  kg/minutes,  0.036  kg/minutes and 0.033  kg/minutes, respectively. Handline  fishing  productivity  in the  morning was not  significantly  different  with at  the daytime, however there was a significant different in productivity between in the morning and in the afternoon. Whilst,   the fishing productivity at the daytime was not significantly different with that in the afternoon.
The Use of an Environmental Friendly Artificial Atractor to Collect Spiny Lobster Seed (Panulirus spp) Musbir, 1; Sudirman, 2; Mahfud Palo, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
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Spiny  lobster  (Panulirus spp)  is  one  of  important  commodities  in  BulukumbaRegency.  The lobsters used for aquaculture were obtained from the wild catch in the sea. The purpose of  this study  was to  develop artificial gear to attract the lobster seed to beeasily caught.   The research was conducted in marine coastal of Ujung Bulu, BulukumbaRegency, South Sulawesi from July to October 2013.   There are three artificial attractors that consisted  of  light  attractor,  trap  shelter  attractor,  and  shelter  benthic  attractor.  Results showed that the spiny lobster catches from artificial attractor consisted of 47.5 % of pearl lobster ((Panulirus ornatus), 25.8% of sand lobster (P. homarus), 21.2 % of bamboo lobster (P. versicolor), 5.6% of stone lobster (P. penicilatus). The carapace length of both pearl lobster and sand lobster ranged from 2,6 to 6,0 cm, which were longest among the other lobsters.. 
The Role of Cooperatives as Providers in Fishermens Needs of Barru Regency Djumran Yusuf, 1; Amiluddin, 2; Jumraini, 3
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
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This research aims to study the cooperative roles as fisherman’s need provider (a Case study at Budi Bahari Cooperative, Barru Regency).   The major Problem that was interesting to discuss was how the cooperative roles as fisherman’s need to fulfill specificallyas a capital, equipment and daily needs provider, and to affect the consumer purchasedecision at Budi Bahari Cooperative. This study used a case study to assess the Budi Bahari Cooperative performance related to fishermen’s catch and daily life.   Purposive sampling method was used with respondents from Budi Bahari’s Cooperative staffs and five fisherman groups (25 people). Data were collected through direct interview for all respondents and were analyzed using chi square method. Results showed that Budi Bahari Cooperative gave sizeable role by loan capital, supply equipment and daily needs of cooperative’s members who work as a fisherman. Hence, the purchase decision was not influenced by the price, and but it was affected by product type, and goods distribution.
The Status of Bottom Hand Line Catch in Buyat Bay Fransisco P.T Pangalila, 1; Jhonny Budiman, 2; Aglius T.R. Telleng, 3; Emil Reppie, 4
Journal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
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The purpose of this study was to determine the status of demersal fishing and make a thematic map location of the fishing activities. The research was carried out around Buyat Ratatotok Southeast Minahasa regency, for 7 months beginning with the planning phase tothe writing of the report. This research was done by using a survey method that is based on adescriptive approach. Caught as many as 96 species of fish catches dominant base with as many as 12 types, namely trevallies buliling and blue (Carangoides gymnostethus), trevallies pongko (Carangoides fulvoguttatus), trevallies box, yellow and Wayan (Carangoides ferdau), trevallies Napo and trevallies lao (Citula armatus), trevallies mopi (Caranx ignobilis), trevallies sangkalade and sangkapete (Carangoides uii) and trevallies Sepo (Seriola dumerili). All types of fish caught by rod dodango . Basic fishing season occurs during the seven months of the year, in January and March, then in May to July and in November and December. Maximum sustainable catches made as many as 25 trips per day by the number of catches as many as152 birds. The average size of the catch weight of 1.5 kg or so carrying capacity of 228 kg of biomass per day. When per kg catch for Rp.10.000,- then every fisherman has a revenue of Rp. 90.000,- per day basis tertagkap fish in the waters around Buyat with the locations of existing Napo with a depth range between 30 and 80 meters.

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