The influence analysis of differrently constructed folded traps and types of baits to catch crabs [portunus pelagicus,(Linnaeus,1758)] in rembang sea waters

Blue swimming crab [portunus pelagicus (linnaeus,1758)] is one of the fishery commodities which is prospective to be exported,highly nutritious,commercial,and wholly valuable. in kabongan lor village,rembang,central java,indonesia the fishing gear used to catch crabs is folded trap. kabongan lor village has a small scale of captured marine resources,so it needs to be utilized further. because of its large potency,a research need to be conducted to improve the haul. different trap construction and type of baits is one important factor to improve it. this study was aimed to analyze the influence of the dome-folded traps construction and box-folded traps (control),and the influence of fermented mackerel,fresh mackerel,and puffer fish’s head as baits over the crabs in rembang waters. the method applied is field experiment with six repetitions and two variables in a treatment. the data was analyzed using normality test,homogeneity test,and anova test using spss program ver 20.00. the results showed that dome-folded traps gained more crabs compared to box-folded traps (control). dome-folded traps gained 3 230 g of crabs,while box-folded traps gained 1 620 g. meanwhile,the use of fresh mackerel as baits gained better crabs than fermented mackerel and puffer fish’s head (control). according to this research known that the captured crabs in which consume; fresh mackerel baits got 1 890 g of crabs,fermented mackerel got 1 500 g and 1 460 g for puffer fish’s head. the results of anova test show the differences of folded traps construction with f sig value as much as 0.022 shows that ho is accepted; while that with f sig value as much as 0.686 shows that the ho is denied. based on these results known that the different folded traps construction does affect to the amount of captured crabs while the differences of baits type do not. © 2016 penerbit utm press. all rights reserved.