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All Journal PELAGICUS: Jurnal IPTEK Terapan Perikanan dan Kelautan
Kadi Istrianto
Program Studi Teknik Penangkapan Ikan, Politeknik Kelautan dan Perikanan Karawang, Jl. Lingkar Tanjungpura, Karangpawitan, Karawang, Jawa Barat, Indonesia
Agriculture, Biological Sciences & Forestry Environmental Science

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Engineering Purse Line Hauler Machine For Hydraulic Axle Capstan On Mini Purse Seine Boat Sugiono Soepardi; Kadi Istrianto; M. Zainal Fanani; Markus Samu Samu; Suharyanto Suharyanto; Robet Perangin-angin
PELAGICUS Volume 4 Nomor 2 Tahun 2023
Publisher : Politeknik Kelautan dan Perikanan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/plgc.v4i2.12279

Abstract

Purse seine or purse seine is one of the dominant fishing tools for catching pelagic (surface) fish which operates by circling schools (schooling) of fish. In the process of circling a school of fish, the bottom must be crimped immediately and quickly using a crimping rope or what is usually called a "drawstring" so that the fish remain in the circle and do not escape. This research was conducted from August to October 2019 on the north coast of Pekalongan, Java Sea. The application of hydraulically powered capstan axle crimp rope pulling machines on small scale vessels is expected to increase effectiveness, operational safety and efficiency of time and energy. Especially for purse seine ships <30GT and can increase catches which in turn can increase fishermen's income. Based on the test results, it was found that the driving diesel RPM without a pulling load = 1303 / 1530 RPM; Maximum RPM of the winding capstan spool when without a pulling load = 45 / 51.5 RPM; Maximum speed of winding capstan spools without tension load = 40.5 / 58.5 meters/minute; RPM of the driving diesel when pulling the purse seine line = 1500 RPM; Maximum RPM of the capstan winder spool when pulling the purse seine line at an average load = 43.2 RPM; Maximum RPM of the capstan winder spool when pulling the heaviest load (maximum) purse seine crimp rope = 40.1 RPM; Maximum pulling speed of the towing machine at the average load of pulling the purse seine crimp rope = 40.07 meters/minute; Maximum pulling speed of the towing machine when the heaviest load is pulling the purse seine crimp rope = 37.2 meters/minute; Load towing capability = detected ± 1000kg.
Influence of Oceanographic Parameters on The Results of The Catch of Squid (Loligo sp.) in The Java Sea (WPP-RI 712) Muhammad Alief Rizky Fahrezy; Robet Perangin-angin; Kadi Istrianto; Soegiono Soepardi
PELAGICUS Volume 5 Nomor 1 Tahun 2024
Publisher : Politeknik Kelautan dan Perikanan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/plgc.v5i1.14057

Abstract

Information on oceanographic conditions is an important aspect to pay attention to because it is closely related to the existence of abundant squid resources. Most types of squid make seasonal migrations in response to changes in temperature. Squids will look for a place to attach their eggs under certain oceanographic conditions, such as the right salinity and water depth. Data collection was carried out primarily in the field using a 5 in 1 salinometer and secondarily using the AQUA MODIS satellite. Sea surface temperatures observed from the end of March to the beginning of May experienced a slow increase in temperature from day to day. Regarding water salinity, the data obtained is that the further out to sea, the greater the salinity tends to be. In chlorophyll a, there was a significant increase in March with the highest distribution. The influence of the measured oceanographic parameters on the number of squid catches, after chlorophyll-a cross-correlation was carried out, was 36.5% or a fairly strong correlation and the other 63.5% was estimated to influence other factors in the form of light, bulla, water depth, and current strength, as well as the crew's skills in operating fishing gear.
Co-Authors Fanani, Muhammad Zainal Markus Samu Samu Muhammad Alief Rizky Fahrezy Perangin-angin, Robet Soegiono Soepardi Sugiono Soepardi Suharyanto, Suharyanto