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KAJIAN TEKNIS PENGOPERASIAN CANTRANG DI PERAIRAN BRONDONG, KABUPATEN LAMONGAN, JAWA TIMUR
Full text linkThe use of cantrang grows up as an alternative fishing replacing trawl. Cantrang has different nomenclature used by fishers all Indonesia regions, however there are any regions using the name of cantrang as camouflage of a trawl. National Standardization Agency issued a standard form of cantrang construction (SNI 01-7236-2006) to standardize the gear of cantrang in Indonesia. The objectives of this research are to examine the cantrang construction, and operation aspects of cantrang fisheries in Brondong Waters, Lamongan, East Java. This research was conducted measuring the construction of cantrang, direct by observation following fishing operation trips and interview to the owner and crew of the vessel. The result showed that construction of cantrang in Brondong has differences on some parts to SNI 01-7236-2006, but these differences did not change the form of cantrang. The use of winch to pull the rope is able to accelerate the process of fishing operation thus was increasing the catch
PENGEMBANGAN PERIKANAN TANGKAP BERBASIS CODE OF CONDUCT FOR RESPONSIBLE FISHERIES (CCRF) DI TERNATE, PROVINSI MALUKU UTARA
Full text linkThis research was conducted in Ternate Waters which is located in Fisheries Management Zone or WPP 715 (Maluku Sea, Gulf of Tomini, and Ceram Sea). DKP and LIPI (2001) reported that the level of exploitation on fish resources in this area is just reach to about 41.83%. To assure a sustainable capture fisheries in this management area, a study based on Code of Conduct for Responsible Fisheries (CCRF) criteria is needed so that the fisheries potential resources could be optimally utilized, to contribute a significant role in the local economy and fisher’s prosperity. This study was aimed to (1) identifying fishing units which are supporting the CCRF’s criteria, (2) determining an optimal composition of fishing units to be developed. The research was conducted using survey method. Scoring method and Linear Goal Programming are among the method of analysis applied. The result of analysis shows that most of the fishing units operating in the area are still fulfillling the CCRF criteria. The analysis also shows the most favourable fishing units to be furtherly developed for the area in ranking order, subsequently are : the handline, pole and line, and purse seine. The optimal composition of fishing units to be developed in the research area are : the handline 751 units, pole and line 33 units, and purse seine 86 units
PENDUGAAN FRONT DAN UPWELLING MELALUI INTERPRETASI CITRA SUHU PERMUKAAN LAUT DAN CLOROFIL-A DI PERAIRAN WAKATOBI SULAWESI TENGGARA
Full text linkThe objectives of this study are to know the distribution of the sea surface temperature (SST) and clorophill-a concentration around Wakatobi waters Southeast Sulawesi, and to determine the location of thermal front and upwelling. Fishing activity would be more efficient and effective when fishing ground was recognized well to fishing vessel leaved from fishing base. One of the method to determine fishing ground is to studying of thermal front and upwelling phenomenon by using the SST and chlorophyl-a analysis.The observation of the sea surface temperature and chlorophill-a which detected by using satellite data can be used to forcast the thermal front and upwelling phenomenon, and then used to forecast the potential fishing ground. The mean of SST during west season was 27.5°C with clorophill-a concentration 1.35 mg/m³. While the mean of SST during west-east season 26.7°C with clorophill-a concentration was about 0.78 mg/m³. Thermal Front occured around Kapota reefs, Kaledupa reefs, Koromaha reefs and Koka reefs. Based on thermal front distribution the potential fishing ground of cakalang was located in the east of Wakatobi waters especially around Koromaha reefs and Koka reefs. Upwelling was not found during west season and west-east season
PERBANDINGAN METODE UNTUK ESTIMASI SELEKTIVITAS JARING INSANG
No full textThis research has been done in the Akime waters, Kagoshima, Japan. Spratelloides japonicas is the target fish of gillnet multifilament use in this research. 5 units of the gillnet multifilament 210D/4 with different value of mesh size were used in this research. This research was aimed to determine the difference of selectivity curve that had been calculated based on Sparre, Kitahara, and Matsuoka selectivity method.The result showed that Matsuoka and Kitahara’s selectivity curves were similar in terms of the shape and slope from each mesh size, whereas Sparre’s selectivity curve was different from Matsuoka and Kitahara’s curves.The results of the comparison between Kitahara and Matsuoka’s selectivity curve and length distribution curve from each mesh size showed that Kitahara and Matsuoka’s have close value of range between the length range of selectivity curve and the length range of caught fishes. Sparre’s method showed a significant difference between the length range of selectivity curve and the length range of caught fishes. From that results concluded that Kitahara and Matsuoka’s selectivity methods are accountable and Sparre’s method is unaccountable.Keywords : gillnet selectivity,Kitahara,Matsuoka\u27s methods, size selectivity, Sparre et al
SENSITIVITAS OPSI PENGEMBANGAN UNIT PENANGKAPAN IKAN TERPILIH DI KABUPATEN LAMPUNG SELATAN
No full textThis study is conducted on the waters of South Lampung Regency. It requires data and information on the potential natural resources, human resources, institutions, and facilities and infrastructure. The data and information on catchment fishery will become a priority for analysis. An analysis is also made to determine a standard for fish catching units covering biological, environmental, sustainable, and financial feasibility aspects. The next step is to conduct an integrated analysis of all aspects in relation to the development of seven fish catching units selected, to make priorities of development, and to determine the sensitivity of the development against any possible changes. It is expected that the analysis of fish resources and selection of fish catching units can solve the problems of catchment fishery in the region, and help fishermen to increase productivity. The increased fish production will give a significant contribution to the development of fish businesses and fishermen’s income. With an increased income, it is certainly expected that the fishermen’s welfare will also improve
REPOSISI SEKTOR KELAUTAN DAN PERIKANAN DALAM PEREKONOMIAN NASIONAL
No full textEach input of economic development of marine and fisheries activities able to be measured/evaluated its works more interrelated with its input, output, outcome and its impact related with its contribution in national economics matters. Recently, the position of marine and fisheries in national development and economic has not at the position which able to be evaluated its works yet since formally it has not be inserted in national economic/ Gross Domestic Products (GDP). In other hand, the establishment of marine and fisheries department that has get fund from National budget (APBN) to manage and facilitate of marine and fisheries management able to be measured for its impact for national economics matters. The aimed of this research is to analyze the factors related with above matters consists of : VA, sub-sector of marine potential, perception of official and capacity building.The result of this research shows that inclusion of marine and fisheries sector in Gross Domestic Products (PDB) able to do that are : firstly, separate fisheries sub-sector from agriculture sector and then put in the marine and fisheries sector, secondly, potential of marine resources has high economics value to product such as coastal water has NPV USD 69.5 and IRR 30%. Thirdly, placement of marine and fisheries sector in PDB has supporting from related official but it needed to be supported by rearrangement of DKP structure organization
PERKEMBANGAN PERIKANAN TANGKAP AKIBAT PERUBAHAN LUASAN LAGUNA SEGARA ANAKAN CILACAP (JAWA TENGAH)
No full textSegara Anakan Lagoon continously has been being degradated by the high level of sedimentation. Sedimentation caused the lagoon depth become shallower and the extent get narrower. It is estimated that as the Segara Anakan Lagoon get shallower and narrower it would effect the development of fishing armada number, gear type and number, production facility, and its production. The research aimed to observe the Segara Anakan condition change between 1992-2006 and the capture fisheries development. The research was held by collecting primary and secondary data including fisheries production, gear type and number, fish diversity, and fishing armada. The result showed that the fishing armada is significantly decreasing between 1992-2006 period, so on the gear number and fisheries production as the decreasing of area extent of Segara Anakan Lagoon. But, from all those variables, the decreasing of fishing gear number is the most significant variable effecting the fisheries production, while other variables are less significant. Beside the decreasing of fisheries production, there was also species changes cathced in Segara Anakan where in 1985 observation there were about 45 fish spesies while in 1999 observation there are only 18 fish species where 15 of them were new specieses
KEWENANGAN BERBAGAI INSTANSI DI PELABUHAN TANJUNG EMAS, SEMARANG JAWA TENGAH
No full textTanjung Emas Port of Semarang Central Java is one of international ports in Indonesia. Some state-institutions play role as hold of authority in this port. This paper describes about the authorities of the institutions in the port. Based on the descriptive analysis, it is showed some overlapping in authorities among the institution in the port. This fact arises some unclear condition among stake holders, especially enterpreuner who run the buiseness engaged with the por
POLA RENANG DAN GERAKAN IKAN KARANG DI SEKITAR RUMPON DAN BUBU
No full textThis paper describes swimming and movement patterns of some reef fishes around some fish aggregating devices (FADs) and some traps deployed in Hansisi waters, Semau, Kupang. There were 62 species of reef fishes observed around the FADs and 47 species around the fish traps. The distances between the reef fishes from the FADs and between the fishes and the traps were commonly between 1-2 m. Around the FADs, the swimming patterns of the fishes commonly observed included soliter (36 species), front approach (56 species or 90%), up-down movement (28 species or 45%), above the FADs (24 species or 39%) and beside the FADs (24 species or 39%). Around the traps, the swimming patterns observed were soliter (26 species) while movement patters observed were front approach (37 species or 79%), up-down movement (24 species or 50%), above the traps (21 species or 45%) and beside the traps (30 species or 64%). These patterns of fish swimming and movement determined effectivness of the FADs as fish attractor and traps as capture devices
PEMANFAATAN SUMBERDAYA IKAN DEMERSAL YANG BERKELANJUTAN DI PERAIRAN TEGAL, JAWA TENGAH
No full textThe demersal fish landing in Indonesia are mostly based on the operation of fishing gear such as trawl, dogol or cantrang, and arad. Even though trawl and the traditional seine nets are very effective but actually they are not selective. Thus, if those gears are not controlled and properly managed, it may impact negatively to demersal fish resources. Consequently, the depletion of demersal fish-stocks may be followed by the reduction of the welfare of fisher community. Therefore, the exploitation of fish resources must be carefully managed particularly for the demersal fish-stock. Formulating the alternative strategies in demersal fishing was the aim of this study. Studies on potency analysis, level of the demersal fishing, biology and economy considerations, and model of demersal fishing in Tegal City were conducted in this study in order to generate a sustainable demersal fisheries.The demersal fish landing in 2005, for rays and sea-snakehead, have exceeded its Maximun Sustainable Yield (MSY) level (more than 100%), i.e. 104.21% and 103.91% respectively. Other demersal fishes have also been categorized as heavily fished (66.8 to 100% of MSY). Based on TAC (80% MSY), most of the landing were approaching TAC value. Therefore, the fishing must be managed to avoid the degradation of demersal fish resource.Indeed, the demersal fisheries has economic beneficiary to the fishers and also to the stakeholders. But, the demersal fisheries have also reached its optimum economic value. Thus, the demersal fishing must be controlled and managed correctly. Financially, the operation of dogol or cantrang was still feasible except for arad.Based on the study, to reassume the sustainable demersal fisheries, the operation of arad and dogol or cantrang must be reorganized. Not only the fishers and the owners, the stakeholders must also be involved in managing the demersal fisheries in Tegal thus any policy taken in the management of demersal fishing could be respected