Article Per Year (5 Year)
p-Index From 2019 - 2024
0
P-Index
This Author published in this journals
All Journal Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Irwandy Syofyan
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Environmental Science Immunology & microbiology Social Sciences

Published : 43 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 43 Documents
Search

 1   2   3   4   5 
The Effect Of Shortening The Difference Catches Gill Net Fishing Gear Yanto, Nofri; Syofyan, Irwandy; Brown, Arthur
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study conducted in May 2015 in the Village Teluk Air, District ofKarimun, Tanjung Balai Karimun Regency , Riau Island Provincial. The aim ofthis study was to determine the effect of shortening of the catches of gill netfishing gear. It is known from research that the shortening gill nets with 20% ofthe catch as much as 95,5 kg, which comprised 246 fishs. By way of fishcaught most dominant snagged. On gill net fishing gear that uses 30%shortening overall number of catches as much as 82 kg, comprising 186 fishs.By way of the most dominant fish caught in etangled. Results of t-test at 95%confidance level showed no effect of shortening of the catches in gill netfishing gear.Key word: Gill net fishing gear, Shortening
THE STUDY OF USING FIBER STEM OF KEPOK BANANA (MUSA BALBISIANA) AS FISHING GEAR MATERIAL Zaki, Hadi Sutaji; Syofyan, Irwandy; ', Bustari
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The research was conducted in August 2015 in the laboratory materials fishing gear aquatic resources utilization department of fisheries and marine science faculty of the university riau pekanbaru, purpose of this study was to determine, sinking speed, elongation and breaking strength kepok banana stem fiber. The method used in this study is the experimental method. Where researchers made the experiment and observe directly. From histological contained protective tissue (epidermis), the basic network (parenchyma), and carrier networks (xylem and phloem) and has an air cavity to the breaking strength of the banana stem fibers that have been spun get an average of 3 kgf and elongation of 1.97 cm and the average speed of sinking 4.86 cm / sec based on the value of the banana stem feasible for use as fishing gearKeywords: banana stem kepok, breaking strength, elongation, sinking speed, histology observation
ANALISIS USAHA PENANGKAPAN RAWAI DAN PENGEMBANGANNYA DI KOTA DUMAI ', Suliani; Syofyan, Irwandy; Sari, T. Ersti Yulika
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Fisheries production in Kota Dumai began to decline over time, and the prohibition on sondong provide opportunities for Longline as alternative fishing gear. The research was conducted on January 25 to February 5, 2016 at Pelabuhan Perikanan Kota Dumai with the aim of the research is to know feasibility of longline business as alternative fishing gear by using survey methods. Longline business as a feasible alternative fishing gear in terms of availability of raw materials, labor availability, market opportunities and business interests with an average value of 3. Financially feasible to be developed at an investment cost incurred on average Rp 16.730.752. BCR value of 2.16 to the value of FRR is 83.1% higher than the bank rate of 7.25% applies. PPC value (payback period of capital) is 1.73 year. In its development longline can be used as the primary fishing gear and alternative. after a review of the feasibility aspects of business development and financial analysis.Keywords : Mini longline, Feasibility, Financial Analysis, Development Direction, PPI Dumai.
UTILIZATION OF WASTE CANE (Saccharum officinarum) AS MIXED POLYURETHANE MATERIAL IN MAKING BUOY Joza, Ahmad Riyanto; Syofyan, Irwandy; ', Isnaniah
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study was conducted in April 2015 in the material and fishing laboratory, Depatmane of agulatic resources wtilizatian. The aim fo the research is to giwe information abrut the lest composition of sugar cane dregs as a canpenal wite polyuretahane for buoy. The methad used is experimental suger cane dregt mixedinte polyurethane and descriptkehy analyzed. The results chaws that compointoin of compaud will raedi the bertresult if the ratius of polyurethane and suger cane dregt 3 : 1 (75 : 25 gr). Reaveage theyang is 151 gr at 100 %, meauwlile accordy to calculati pe bouyaucy 198373 m2.kgf, density 0,71 gr/m3, its volume 203,38 cm3 and Density value based reduction for 24 hours 923.25 kg/m3.Keywords: Cane Dregs (Saccharum officinarum). Bouy
ANALYSIS OF BOTTOM GILLNET FISHING AND DEVELOPMENT IN DUMAI CITY Winarti, Lilis; Zain, Jonny; Syofyan, Irwandy
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The research was conducted on January 2016 at Pangkalan Pendaratan Ikan (PPI) Dumai City with the aim of the research is to prepare the development direction of gillnet fishing effort undertaken by the fisherman at Dumai city by using survey methods. The results showed that the bottom gillnet business as a feasible alternative fishing gear in terms of availability of raw materials, labor availability, market opportunities and business interests with an average value of 3,67. Financially feasible to be developed at an investment cost incurred on average Rp 93.122.400. BCR value of 1,45 to the value of FRR is 32,00 % higher than the bank rate of 7,25% applies. PPC value (payback period of capital) is 3,28 year. Bottom gillnet can be maintained and developed to improve the fishing vessel, the addition of fishing gear, provision of navigational tools as well as cold storage. After a review of the feasibility aspects of business development and financial analysis.Keywords : Bottom gillnet, Feasibility, Financial Analysis, PPI Dumai
STUDY ON CONSTRUCTION OF PURSE SEINE IN SIBOLGA FISHING PORT PONDOK BATU DISTRICT NORTH SUMATRA Silitonga, Candra; ', Isnaniah; Syofyan, Irwandy
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study was conducted on 09-23 May 2016 is located in Sibolga Fishing Port. The purpose of this study to know on type and purse seine construction for sized vessels 30 GT. The method used was survey and observation. Observed object is purse seine used on vessels 30 GT. Data collection was performed by means of measurements on sample. It known that purse seine for sized vessels 30 GT in Sibolga Fishing Port include into purse seine American type, it known from the construction that shaped four rectangular. The characteristic of purse seine is part of that bag (muih 1) is located on the edge of the webbing, and only be operated by one vessel.Keywords: Construction of Fishing Gear, Purse seine, Sibolga Fishing Port
STUDY ON CONSTRUCTION OF BOAT LIFT NET 30 GT IN SIBOLGA FISHING PORT PONDOK BATU DISTRICT NORTH SUMATRA Sagala, Ivanson; ', Isnaniah; Syofyan, Irwandy
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study was conducted on 09-23 May 2016 is located in Sibolga Fishing Port. The purpose of this study to collect information on the construction of boat lift net. The method used was survey and observation. Observed object is boat lift net used on vessels 30 GT. Data collection was performed by means of measurements on sample.The results of the research indicated that the construction of boat lift net used in PPN Sibolga consists of importants components of boat, frame lift net, house boat lift net, pole line, wire, webbing, rope, lamp and instrumentation. Differences were found on a boat lift net in PPN Sibolga is not having leeboard.Keywords: Construction of Fishing Gear, Boat lift net, Sibolga Fishing Port
STUDY ON CONNSTRUCTION OF PUKAT TERI IN KM. INKAMINA AT TANJUNG TIRAM VILLAGE BATUBARA DISTRICT OF NORTH SUMATRA ', Hermawanto; Syofyan, Irwandy; ', Isnaniah
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research was conducted on 17-25 April 2016 in KM. INKAMINA. The purpose of this study to collate the information of pukat teri construction. The method used was a survey method. Results from this research showed that the pukat teri construction has 355m length and 40m depth. The net using materials PA (Polyamide) multifilament. Buoy, ris, sinker and wrinkles rope using the same materials was PE (polyethylene). 1350 floats materials styrofoam, 1550 sinker materials lead, 173 rings materials iron. In terms of construction, pukat teri gear same with purse seine, reinforced by a wrinkles and rings rope in to The characteristics of the purse seine.Keywords :Pukat teri, construction, Tanjung Tiram
Kajian Awal Pemanfaatan Rumput Teki (Fimbristylis sp), Linggi (Penicum sp) dan Sianik (Carex sp) sebagai Serat Alami untuk Bahan Alat Penangkapan Ikan Nofrizal, Nofrizal; Ahmad, Muchtar; Syofyan, Irwandy; Habibie, Ied
Jurnal Natur Indonesia Vol 14, No 1 (2011)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (425.108 KB) | DOI: 10.31258/jnat.14.1.100-106

Abstract

This research was aimed to study about the potential of fiber structure teki grass (Fimbristylis sp), linggi grass (Penicum sp) and sianik grass(Carex sp) as natural fibre for fishing gear materials. The parameter of this research are; water content, elongation, breaking strength andhistology of the fiber. This research used the observation and experimental method. The observation method is used to know the fiberstructure and water content of teki grass, linggi grass and sianik grass. The experimental method was used to test the breaking strength andelongation of the objects in wet and dry condition. Based on the histology observation, teki grass has an epidermis layers as fiber structure.It consists of parenchyma tissue and collenchymas tissue.Fiber structure of linggi grass and sianik grass are similar with teki grass. Sianikgrass has the most excessive epidermis layer than others i.e. 5.57 gram. The average water content of teki grass is 1.03 gram, and linggi grassis 0.17 gram. Based on the breaking strength test, sianik grass is stronger than others with average strength 9.05 kgf in wet condition and9.75 kgf in dry condition. Meanwhile, breaking strength of the teki grass and linggi grass is 3.20 kgf and 4.16 kgf in wet condition and 4.30kgf and 5.25 kgf in dry condition. The average of the elongation of sianik grass is longer than others i.e. 24.50 mm in wet condition and18.75 mm in dry condition. The elongation of teki grass is 9.05 mm in wet condition and 11.10 in dry condition. The average of linggi grasselongation is 12.20 mm in wet condition and 12.90 mm in dry condition. Based on the breaking strength and the elongation test, the resultshowed that sianik grass is the most potential natural fiber as fishing gear material.
STUDI KUALITAS AIR UNTUK KESEHATAN IKAN DALAM BUDIDAYA PERIKANAN PADA ALIRAN SUNGAI KAMPAR KIRI Syofyan, Irwandy; Usman, Usman; Nasution, Polaris
Jurnal Perikanan dan Kelautan Vol 16, No 01 (2011)
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.16.01.%p

Abstract

This research is done on October 2010 at Kampar Kiri river stream area,Riau Province. The purpose of this research is to find out the influence of goldmines without license activity to water quality and fish health. The method used issurvey method by measuring environmental factors of territorial water. Theconcideration that used namely the estimation to the source of contamination andwaste burden accepted by territorial water of development of aquaculture. Asreference, here include water quality of Kampar River completely as RiauGovernor Decree no 23 in 2003 (that guidances on PP 82/2001), about allotmentand permanent quality of water at Kampar River, Riau Province. Meanwhile, thefish area sampled from pond and cage that existed in every development area.From this research is known that generally each the quality of river water for fishhealth in aquaculture is still in tolerance level. The result of measurement waterquality is the fulfill permanent quality of first class water except some ofparameters in development aquaculture area in distric, like Kampar kiri River andhall fish breeding (BBI) Teso. Mophologically, fish health that watched is still beoptimal.
Co-Authors ', Hermawanto ', Isnaniah ', Masrur ', Nofrizal ', Suliani ', Usman Abd. Rasyid Syamsuri Ahmad Riyanto Joza, Ahmad Riyanto Aliman Sutrisno Amiruddin Rambe Andry Zuldry, Andry Ari Harsandi, Ari Arthur Brown Bustari Bustari Candra Silitonga Dewi Liesnoor Setyowati Dhoni Armansyah Diah Wulandari Eko Pramono Sipayung Esy Lisnasari, Esy Fatmasari Isra Fika Yulia Rachmah Fistya Cendana Hadi Sutaji Zaki, Hadi Sutaji Hadiah Witarani Puspa Hamdi Hamid Heri primadi Ied Habibie Isnaniah ' Jefri Vanson Jonny Zain Kasman AR Lilis Winarti, Lilis M. Fazil Hekar, M. Fazil M. Pahlevi Masrur ' Megawati ' Muchtar Ahmad Muhammad Natsir Kholis Nehe Mia Sitohang Nofri Yanto, Nofri Nofrizal ' Nofrizal Nofrizal Polaris Nasution Rakesh Sukrillah Ridho Romola S Rommie Jhonerie Sagala, Ivanson Silitonga, Candra Silka Tria Rezeki Sri Jarwanto Syaifuddin ' Syaifuddin Syaifuddin T Ersti Yulikasari T. Ersti Yulika Sari T. Ersti Yulika Sari Taufiqurrahman ' Teguh Irsyadi Usman Usman Yusni Ikhwan Siregar