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All Journal JOURNAL OF COASTAL DEVELOPMENT Pena : Jurnal Ilmu Pengetahuan dan Teknologi
Asriyanto .
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THE DEVELOPMENT OF SELECTIVE AND UNSELECTIVE FISHING GEAR OWNED BY FISHERMAN AT THE NORTH COAST OF CENTRAL JAVA Asriyanto .; Agung Setiarto
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 2 (2000): Volume 3 Number 2 Year 2000
Publisher : JOURNAL OF COASTAL DEVELOPMENT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2013.356 KB)

Abstract

Introduction : The Utilization of fisheries resource in Indonesia waters has just achieved about half (56.06%) of the maximum sustainable yield. In the north coast of Central Java, which has a coastal line of about 450 kilometers, 20 types of fishing gear are owned by fishermen. Experiment : Data were collected from Annual Report 1993 – 1997 issued by Central Java Fisheries Agency. Twenty types of fishing gear were classified into 6 groups, i.e. seine nets, purse seine, gillnets and trammel nets, lift nets, lines, and traps. Two of them were categorized as unselective fishing gear, i.e. seine nets and purse seine, whereas the other 4 were classified as selective ones. The number of each group was expressed in means and percentages and the development/changes thereof was presented in percentage. Results and discussion : The number of unselective fishing gears grew rapidly from 1996 to 1997, i.e. seine nets 17.31% and purse seine 12.07%. on the country the number of selective fishing gear increased slightly or even decreased, for example traps (5.98%), line (4.13%), liftnets (-3.21%), and gill nets & trammel nets (-2.45%). The management of fisheries resources should be focused on the enhancement in the number of selective fishing gear and the extension of their fishing ground, combined with close monitoring on the mesh size of unselective fishing gear.
PENGARUH ATRAKTOR RUMPON TERHADAP HASIL TANGKAPAN ALAT TANGKAP BAGAN (LIFT NET) DI PERAIRAN DEMAK Bogi B Jayanto; Asriyanto .; A. Rosyid; H. Boesono
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 26, No 2 (2014): Pena Maret 2014
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v26i2.114

Abstract

One  kind  of  fishing  gear  that  use  to  captured  phototaxis  positif  fish  is  Lift  Net.  Lamp  was  no longer  used  as  fish  aggregating  device  for  lift  net  because  it  was  uneffective  and  unefficient  to gathered  fish  target.  If  the  problem  still  continued  it  can  raised  fuels  consumption  for  lamp attractor. Another fish aggregating device “rumpon” was a solution for lift net operation. Research objectives were to increase effectivity, efficiency and fishing production, and hopefully it can raise fisheries income.  Keyword : Liftnet, Rumpon, Demak Seawaters
Co-Authors A. Rosyid Agung Setiarto Bogi B Jayanto H. Boesono