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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology
Published by Universitas Diponegoro
ISSN : 18584748     EISSN : 25490885     DOI : -
Core Subject : Education,
Education
SAINTEK PERIKANAN (p-ISSN: 1858-4748 dan e-ISSN: 2549-0885) adalah jurnal ilmiah perikanan yang diterbitkan oleh Jurusan Perikanan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Jurnal ini diterbitkan 2 (dua) kali setahun (Februari dan Agustus).
Arjuna Subject : -
Articles 492 Documents
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PENGARUH PROBIOTIK KOMERSIAL PADA PAKAN BUATAN TERHADAP PERTUMBUHAN, EFISIENSI PEMANFAATAN PAKAN, DAN KELULUSHIDUPAN BENIH IKAN GURAMI (Osphronemus gouramy) D35-D75 The Effects of Commercial Probiotic in Artificial Feed on the Growth, Feed Utilization Suminto Suminto; Diana Chilmawati
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 11, No 1 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.578 KB) | DOI: 10.14710/ijfst.11.1.11-16

Abstract

ABSTRAK   Ikan gurami (Osphronemus gouramy) merupakan komoditas ikan air tawar yang bernilai ekonomis penting, tetapi mempunyai kendala didalam budidaya, misalnya pertumbuhannya lambat  dan pemanfaatan pakan yang kurang efisien.  Salah satu pemecahan masalahnya  adalah dengan pemanfaatan probiotik pada pakan  didalam kultur, khususnya pada stadia larva gurame (Osphronemus gouramy). Penelitian ini bertujuan untuk mengetahui dan mengkaji pengaruh penambahan probiotik komersil terhadap pertumbuhan, efisiensi pemanfaatan pakan dan kelulushidupan larva ikan gurame (Osphronemus gouramy). Materi yang digunakan adalah beberapa  produk probiotik komersial yang dicampurkan pada pakan buatan ikan dengan cara disemprotkan dan setelah didiamkan selama 24 jam diberikan sebagai pakan gurame. Metoda eksperimen dan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 4 kali pengulangan telah dikembangkan pada penelitian ini. Perlakuan yang diujikan adalah tanpa pemberian probiotik pada pakan (A); pemberian probiotik 1 (B); pemberian probiotik 2 (C); dan perlakuan D dengan pemberian probiotik 3 pada pakan. Berat benih gurame (Osphronemus gouramy) per individu 1,86±0,97 g dan panjang 4,11±0,41 cm. Padat penebaran benih gurame pada perlakuan yaitu 2 ekor/liter. Benih gurame diberi makan 3 kali sehari sebanyak 5% dari bobot biomassa. Hasil penelitian menunjukkan bahwa penambahan probiotik pada pakan memberikan pengaruh nyata (P<0,05) terhadap pertumbuhan dan efisiensi pemanfaatan pakan, tetapi tidak berpengaruh nyata (P>0,05) terhadap kelulushidupan benih ikan gurame. Hasil terbaik diperoleh pada pemberian probiotik 1 dengan nilai tingkat pertumbuhan spesifik (SGR) sebesar 1,67±0,42 %,  efisiensi pemanfaatan pakan (22,2±2,6%) dan kelulushidupan (85,0±5,6%). Kriteria kualitas air media kultur masih baik untuk mendukung proses pertumbuhan dan pemanfaatan pakan.   Kata kunci : Probiotik komersial, pakan buatan, gurame (Osphronemus gouramy), dan pertumbuhan   ABSTRACT   Gouramy (Osphronemus gouramy) is  freshwater fish commodity that have high economic value, but it have problems in the culture such as the slow growth and inefficiency of feed utilization.  One of the problem solves is utilization of probiotic bacteria in the artificial feed, especially for fish larvae culture. The purpose of this study was to know and observe the effects of adding commercial probiotics for growth, feed utilization eficiency and survival rate of gouramy (Osphronemus gouramy) from day 35  to day 75. Some commercial probiotics used were sprayed onto artificial feed and after incubated during 24 hours, then give as fish feed in the culture. The experimental methods with completely randomized design (CRD) were employed in this research. The design consisted of 4 treatments and 3 replication, respectively. The treatments tested were without  probiotic added (treatment A), with probiotic 1 (B), with probiotic 2 (C), and the treatment D with added by probiotic 3. The initial density of  fish larvae were 2 inds/liter of water medium with average weight of 1,86 ± 0,27 g and length of 4,15±0,35 cm.  Gouramy fish were fed three times every day with 5% from biomass weight. The  research results shown that the difference adding probiotics in the artificial feed were significantly effects (P<0.05) on the growth and feed utilization efficiency but no significantly effect (P>0,05) on the survival rate of  gouramy (Osphronemus gouramy) in the culture. The best result was in the treatment B (with added by probiotic 1), where  the  best SGR of 1,67±0,42 %,  feed utilization efficiency of 22,2 ± 2,6% and survival rate of  85,0 ± 5,6%.  The water quality criteria of  culture medium were the good supported to the growth, feed  utilization, and survival rate of Gouramy (Osphronemus gouramy) in the culture.  Keywords : Commercial probiotic, artificial feed, Gouramy (Osphronemus gouramy), and growth 
Aplikasi Teknologi Aquaponic Pada Budidaya Ikan Air Tawar Untuk Optimalisasi Kapasitas Produksi Nugroho, Ristiawan Agung; Pambudi, Lilik Teguh; Chilmawati, Diana; Haditomo, Alfabetian Herjuno Condro
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 8, No 1 (2012): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (101.71 KB) | DOI: 10.14710/ijfst.8.1.46-51

Abstract

The experiment was conducted to acknowledge the effect of seed to the media using aquaponic system and to  identify the  influence of aquaponic system to the media’s  water quality of Oreochromis  niloticus’s fingerling to increase production capacity. The experiment was conducted at fish farmer’s  fingerling ponds at Muntilan, Magelang (Central Java) for 2 weeks observations.   It used completely  randomized design, were reared at 200,400 and 600 fish density with three replications over to 2 m2 ponds with aquaponic system and 400 densities as a control to non-aquaponic system.  The result of experiment showed that there was an influence of seed’s density to cultivan’s growth that used aquaponic system, especially to total length of fish.  The aquaponic system is also influence the fixing of media water Oreochromis niloticus fingerling, especially the reduction of ammonias (NH3). Key words: aquaponic, water quality, red tilapia, fingerling
HUBUNGAN TEKSTUR SEDIMEN DENGAN KANDUNGAN BAHAN ORGANIK DAN KELIMPAHAN MAKROZOOBENTHOS DI MUARA SUNGAI BANJIR KANAL TIMUR SEMARANG The Relation of Sediment Texture to Organic Matter and Macrozoobenthos Abundance in the Estuarine of Banjir Kanal Timur River Angelia Maharani Setya Putri; Suryanti Suryanti; Niniek Widyorini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (14529.616 KB) | DOI: 10.14710/ijfst.12.1.75-80

Abstract

 Tekstur sedimen terdiri atas fraksi pasir (sand), lumpur (silt), dan liat (clay). Sedimen atau substrat dasar yang terus menerus menumpuk serta adanya bawaan nutrien dari mahluk hidup maupun limbah akan membentuk kandungan bahan organik. Kandungan nutrien digunakan oleh makrozoobenthos sebagai salah satu kebutuhan pakan untuk kelangsungan hidup makrozoobenthos. Selain itu, makrozoobenthos ditemukan hidup dalam sedimen. Jenis tekstur sedimen serta kandungan fraksi mempengaruhi kelimpahan makrozoobenthos itu sendiri. Tujuan dari penelitian ini adalah untuk mengetahui jenis tekstur sedimen, kandungan bahan organik, kelimpahan makrozoobenthos, dan hubungan ketiga variabel. Penelitian ini menggunakan metode deskriptif. Jenis tekstur pada setiap stasiun didominasi oleh lempung. Jenis makrozoobenthos yang didapatkan berasal dari famili Ciratulidae, Nephtydae, Nereidae, Tubificidae dan Arcidae. Berdasarkan hasil penelitian dapat disimpulkan bahwa hubungan antara ketiga variabel yang diamati adalah semakin besar persentase lempung, maka diikuti pula oleh kandungan bahan organik dan melimpahnya makrozoobenthos.  Sediment Texture consists of sand, silt, and clay. Sediment cumullation and transport nutrient from organisms and domestic waste will make organic matter. Nutrient was used by macrozoobenthos as feeding is needed to survive. Moreover, macrozoobenthos was found in sediment itself. Sediment texture and fraction contain were influencing the abundance of macrozoobenthos.This research was aimed to know kinds of sediment texture, organic matter contain, the abundance of macrozoobenthos, the relationship among sediment fractions with organic matter and macrozoobenthos in the estuary of Banjir Kanal Timur Semarang. This research was using descriptive method. Texture sediment in every station was dominated by loam. Kinds of macrozoobenthos was found from Famili Ciratulidae, Nephtydae, Nereidae, Tubificidae, and Arcidae. Based on research, It was concluded that the relationship between three variables was when the percentage of loam was increasing, then organic matter contain was also increasing, and macroozobenthos overflow.  
Fisheries Infrastructure Needs Analysis in Order to Capture Fisheries Development Based on Commodities of South Sumatra Province Septifitri Septifitri; Daniel R Monintja; Sugeng Hari Wisudo; Sulaeman Martasuganda1
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 5, No 2 (2010): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (152.375 KB) | DOI: 10.14710/ijfst.5.2.8-13

Abstract

Development of capture fisheries in South Sumatra province in decline since the separation of Bangka Belitung province. This area of waters caused by the increasingly narrow. However, the development of fisheries sector still has a big opportunity, especially those based on competitive commodities. This study aimed to analyze the type of capture fisheries yield commodities, type, and allocation to take advantage of superior technology, excellent fish seumberdaya, and calculate the necessary facilities and infrastructure for the development of competitive commodities based fishery in South Sumatera province. Research conducted by survey with some analysis tools such as scoring methods, LGP and fishery facilities needs analysis. Flagship species of fish that can be developed such as prawn, swimming crab, fish and machete-cleaver manyung with superior fishing gear types trammel net, drift gill nets, gill nets and fishing equipment. Fisheries is needed is a means of fishery harbors as many as 10 pieces, as many as 20 fruit shipyards, factories nets one unit and processing 8 units. Addition of TPI as a necessary conclusion of the building where the sale of the landed catch of fishermen. Key Words : Capture Fisheries, Competitive Commodities, South Sumatera Province
SEBARAN SPASIO TEMPORAL KELIMPAHAN FITOPLANKTON DAN KLOROFIL-A DI PERAIRAN UJUNG KARTINI JEPARA (Spatial and Temporal Distribution Abundance of Phytoplankton and Chlorophyll-a in Ujung Kartini Waters Jepara) Muchtar Yulianto; Max Rudolf Muskananfola; Arif Rahman
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (649.767 KB) | DOI: 10.14710/ijfst.14.1.1-7

Abstract

Perairan Ujung Kartini merupakan perairan yang menjadi muara dari Sungai Wiso dan Sungai Kanal yang terletak di sisi barat Kabupaten Jepara. Di sekitar Perairan Ujung Kartini terdapat kegiatan manusia yang dikhawatirkan dapat menyebabkan perubahan kualitas air terutama kandungan unsur hara. Perubahan kandungan unsur di perairan akan berdampak terhadap persebaran dan kelimpahan fitoplankton serta konsentrasi klorofil-a. Penelitian ini bertujuan untuk mengetahui tingkat kesuburan perairan dan hubungan antara kelimpahan fitoplankton dengan konsentrasi klorofil-a. Penelitian dilakukan pada bulan November dan Desember 2017. Penelitian ini termasuk jenis penelitian analisis deskriptif dan penentuan lokasi sampling menggunakan metode purposive sampling. Pengambilan sampel air dan fitoplankton dilakukan di tiga stasiun yang ditentukan berdasarkan tinggi rendahnya kegiatan manusia. Pengambilan sampel tersebut dilakukan pada saat kondisi pasang dan surut dengan dua kali pengulangan. Hasil penelitian yang diperoleh menunjukan bahwa kelimpahan fitoplankton pada saat pasang dan surut berkisar antara 6.375 – 13.725 sel/l dan konsentrasi klorofil-a pada saat pasang dan surut berkisar antara 0,126 – 1,392 mg/m3. Nilai diatom quotient sebesar 1,533 yang berarti perairan yang diteliti termasuk ke dalam kategori perairan eutrofik. Kelimpahan fitoplankton dan konsentrasi klorofil-a pada saat pasang lebih tinggi daripada saat surut. Keduanya mempunyai hubungan yang sangat erat. Ujung Kartini Waters is part of the estuary of the Wiso River and Kanal River which are located on the west side of Jepara Regency. In the surrounding area, there are human activities that are feared to cause changes in water quality, especially nutrient content. Changes in nutrients content in the waters will have impact on the distribution and abundance of phytoplankton and concentration of chlorophyll-a.  This study aims to determine the level of aquatic productivity and the relationship between phytoplankton abundance with chlorophyll-a concentration. The study was conducted from November to December 2017. This research includes descriptive analysis and determination of sampling location using purposive sampling method. Samples of water and phytoplankton were collected at three stations based on the level of human activity. Sampling was carried out during high tide and low tide with two repetitions. Based on the results of the research, the abundance of phytoplankton at high and low tides ranged between 6.375 - 13.725 cells/l and chlorophyll-a concentrations at high and low tides ranged between 0,126 – 1,392 mg/m3. The value of diatom quotient is 1,533 which means that the waters of study area belong to the eutrophic category. The abundance of phytoplankton and concentrations of chlorophyll-a at high tide is higher than at low tide. Both show a high level relationship.
KONDISI HABITUS Rhizophora sp DI PANTURA KOTA SEMARANG BERDASARKAN NILAI HUE DAUN (Habitus Condition of Rhizophora sp in the Northern Coast of Semarang City based on the Hue Number) Frida Purwanti; Siti Rudiyanti; Agung Suryanto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 9, No 1 (2013): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (165.745 KB) | DOI: 10.14710/ijfst.9.1.75-79

Abstract

Mangrove merupakan salah satu ekosistem pesisir penting yang berfungsi untuk melindungi daerah pesisir dan untuk mendukung produktivitas primer. Keanekaragaman hayati mangrove di Propinsi Jawa Tengah didominasi oleh Rhizopora sp. Salah satu indikator yang dapat digunakan untuk mendeteksi ksehatan hutan mangrove adalah daun. Nilai hue dapat digunakan untuk menunjukkan kondisi habitus mangrove. Penelitian ini bertujuan untuk mengetahui jumlah hue dari daun Rhizopora sp. baik di areal terbuka maupun daerah teduh, untuk menganalisis hubungan hue dengan parameter lingkungan, dan untuk mengidentifikasi kondisi habitus dari Rhizopora sp di pantai utara Kota Semarang. Purposive random sampling digunakan untuk mengumpulkan spesimen daun Rhizopora sp dan untuk mengukur kualitas perairan Kabupaten Tugu, kemudian nilai Hue dari masing-masing daun mangrove dianalisis menggunakan program komputer Adobe photoshop CS2. Korelasi Pearson digunakan untuk analisis korelasi nilai daun Hue terhadap paramater lingkungan. Penelitian ini dilakukan dari bulan September sampai November 2011, di Tugu, Semarang. Hasil penelitian menunjukkan bahwa nilai Hue Rhizophora apiculata di stasiun Mangunharjo lebih rendah dari stasiun Mangkang Kulon, baik di areal terbuka maupun ternaungi. Korelasi nilai Hue untuk suhu dan salinitas perairan memiliki korelasi yang sangat lemah untuk kedua kondisi areal.Habitus terbuka dan ternaungi dari Rhizophora apiculata di Tugu District menunjukkan nilai perbedaan Hue yang dipengaruhi oleh suhu udara dan substrat. Kata kunci: Mangrove, hue, korelasi, habitus Mangrove is one of the important coastal ecosystem that have function to protect coastland and to support primary productivity. Mangrove biodiversity at the Central Java Province is dominated by Rhizophoraceae. One indicator that can be used to detect the health of mangrove forest stands is the leaf. Hue number correspond to the color can be used to indicate mangrove habitus condition. The research aims to know the Hue number from the Rhizophora sp leaf on the open and shading areas; to analyse correlation its Hue to the environmental parameter; and to identify habitus condition of Rhizophora sp at the northern coast of Semarang city. Purposive random sampling was used to collect Rhizophora leafs specimen and to measure waters quality of the Tugu District, then Hue value from each mangrove leaf stand was analised using Adobe photoshop CS2 computer program. Pearson correlation was used to analysed correlation of Hue leaf value to environmental paramater. The research was conducted from September to November 2011, at Tugu District, Semarang. The result indicated that Hue value of Rhizophora apiculata at Mangunharjo station  is lower than Mangkang Kulon station, both at the open and shading areal.  Correlation of Hue value to water temperature and water salinity have a very weak correlation for both of open and shading areal.Habitus condition of Rhizophora apiculata at Tugu District show a difference value of Hue that affected by air temperature and substrat. Key words : Mangrove, Hue, correlation, habitus
STRATEGI PENGEMBANGAN EKOWISATA MELALUI KAJIAN EKOSISTEM MANGROVE DI PULAU PRAMUKA, KEPULAUAN SERIBU (Ecotourism Development Strategy with Mangrove Ecosystem Studies at Pramuka Island, Kepulauan Seribu) Aditya Cahya Putra; Sutisno Anggoro; Kismartini Kismartini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 2 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.226 KB) | DOI: 10.14710/ijfst.10.2.91-97

Abstract

ABSTRAK Tingginya tingkat abrasi dan gelombang berdampak pada penurunan kualitas lingkungan ekosistem pesisir yang mengakibatkan sejumlah kawasan mangrove semakin berkurang bahkan rusak, sehingga perlu upaya pengembangan ekowisata mangrove melalui kegiatan ekowisata sebagai salah satu cara melestarikan ekosistem pesisir. Penelitian ini bertujuan untuk mengetahui kondisi dan potensi lingkungan mangrove di Pulau Pramuka; mengkaji kesesuaian dan daya dukung ekowisata di kawasan mangrove di Pulau Pramuka; serta menyusun penetapan arahan strategi pengembangan ekowisata mangrove. Metode penelitian merupakan penelitian studi kasus menggunakan deskriptif analitik melalui pendekatan kuantitatif dan kualitatif dengan analisis kualitas lingkungan mangrove, kualitas perairan dan sedimen magrove, kesesuaian ekowisata, daya dukung ekowisata dan SWOT untuk memberikan informasi tentang potensi dan strategi pengelolan hutan mangrove secara berkelanjutan. Hasil penelitian menunjukkan Pulau Pramuka yang merupakan wilayah pesisir memiliki hutan mangrove dengan jenis mangrove Rhizophora stylosa dengan kualitas lingkungan yang sesuai untuk karakteristik pertumbuhan dan adaptasi mangrove. Memiliki kesesuaian layak untuk dikembangkan sebagai kawasan ekowisata mangrove dengan Nilai Kesesuaian Ekowisata (NKE) sebesar 279 dan daya dukung maksimal ekowisata sebanyak 114 orang/hari dengan alternatif kegiatan yang dapat dilakukan diataranya wisata alam dan wisata bahari. Berdasarkan hasil analisis SWOT didapatkan 5 prioritas strategi untuk pengembangan ekowisata mangrove di Pulau Pramuka diantaranya: a). koordinasi antara masyarakat sekitar dengan stakeholder yang dimulai dengan perencanaan, sosialisasi, pelaksanaan dan pemantauan konsep pengembangan ekowisata mangrove; b). penataan kembali ruang untuk kegiatan ekowisata, perbaikan insfrastruktur, jaringan air bersih, pembangunan MCK umum, sistem pengolahan dan pembuangan sampah, serta unit usaha penunjang kebutuhan wisatawan; c). memberikan pengetahuan kepada masyarakat mengenai pengelolaan dan pelatihan manajemen pemasaran ekowisata mangrove yang efektif dan produktif; d). studi kajian analisis dampak kegiatan wisata terhadap kondisi lingkungan dan pertumbuhan vegetasi mangrove dengan pemantauan secara berkala dan berkelanjutan; dan e). menggali potensi wisata alam dan bahari dengan pembinaan wisata kepada masyarakat dan melengkapi pengadaan sarana dan prasarana wisata. Kata kunci : ekowisata, ekosistem mangrove, Pulau Pramuka, SWOT The high level of abrasion and wave impact on the environmental and coastal ecosystems had resulting in mangrove ecosystem degradation. Thereforeit is necessary to develop efforts for mangrove ecosystem ecoturism development. The study aims to determine the condition and potential of the mangrove environment In Pramuka Island; examining the suitability and carrying capacity of mangrove ecotourism in Pramuka Island; to determine strategic and suitable policy formangrove ecotourism development.The research method was a case study using descriptive analysis through quantitative and qualitative approaches to analyse the quality of mangrovecondition, water quality, sediment suitability level for ecotourism, and mangrove SWOT carrying capacity as baseline data for the sustainable management of mangrove ecosystem. The results showed in Pramuka Island the coastal areas with mangrove forests Rhizophora stylosawith quality suitable environment for the growth and adaptation of mangrove characteristics. Having a proper suitability to be developed as a tourist area of mangrove with suitability value of ecotourism for 279 and a maximum carrying capacity of ecotourism as much as 114 people per day with alternative activities such as nature and marine tourism. Based on the results of the SWOT analysis obtained five strategic priorities for development of ecotourism in the Pramuka Island mangroves include: a). coordination between the local community and stakeholders with socialization, planning, implementation and monitoring of mangrove ecotourism development concept; b). relocation for ecotourism activities, improvement of infrastructure, clean water, construction of public toilets, waste treatment and disposal systems, as well as supporting business unit needs; c). provide knowledge to the community about management and marketing, training for mangrove ecotourism effectivity and productivity  d). any study on the analysis of impact of tourism activities on the environmental conditions and the growth of mangrove vegetation with periodic and continuous monitoring; and e). explore the potential of nature and marine tourismcoaching community and tourist to complement the provision of means of tourist. Keywords : Ecotourism, Mangrove Ecosystem, Pramuka Island, SWOT
PENGARUH PENGGUNAAN LAMPU BAWAH AIR (UNDERWATER LAMP) TERHADAP HASIL TANGKAPAN BAGAN PERAHU (BOAT LIFT NET) DI PELABUHAN PERIKANAN NUSANTARA (PPN) KARANGANTU KOTA SERANG (Effect of Underwater Lamp Usage on Boat Lift Net Fishing Catch at Karangantu Fishing Port Serang City) Aditya Nuraga; Bogi Budi Jayanto; Indradi Setiyanto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.26 KB) | DOI: 10.14710/ijfst.14.1.36-42

Abstract

Bagan perahu merupakan salah satu jenis alat tangkap di PPN Karangantu yang beroperasi pada malam hari. Bagan perahu menarik ikan target tangkapan yaitu ikan pelagis kecil fototaksis positif menggunakan atraktor cahaya berupa lampu. Salah satu kendala nelayan bagan perahu adalah pencahayaan lampu mengalami pembiasan. Penggunaan lampu bawah air bertujuan untuk mengurangi pembiasan. Tujuan dari penelitian ini adalah mengetahui pengaruh penggunaan lampu bawah air terhadap hasil tangkapan bagan perahu dan mengetahui komposisi hasil tangkapan bagan perahu dengan dan tanpa lampu bawah air. Penelitian ini dilakukan selama 10 trip menggunakan metode experimental fishing. Selisih berat total hasil tangkapan antara bagan perahu dengan dan tanpa lampu bawah air pada trip 1 sebesar 33,4 kg, trip 2 sebesar 38,9 kg, trip 3 sebesar 31,1 kg, trip 4 sebesar 41,1 kg, trip 5 sebesar 28,8 kg, trip 6 sebesar 30,5 kg, trip 7 sebesar 35,4 kg, trip 8 sebesar 34,3 kg, trip 9 sebesar 38,7 kg dan trip 10 sebesar 31,6 kg sehingga menunjukkan hasil tangkapan lebih banyak bagan perahu dengan lampu bawah air. Hasil tangkapan utama bagan perahu adalah ikan Teri (Stolephorus sp.) dan Cumi-cumi (Loligo sp.). Hasil tangkapan sampingan bagan perahu antara lain ikan Petek (Leiognathus sp.), Tembang (Sardinella sp.), Lemuru (Amblygaster sirm), Selar Kuning (Selaroides leptolepi) dan Layur (Lepturacanthus savala). Kesimpulan yang dapat diambil yaitu terdapat pengaruh antara lampu bawah air dengan hasil tangkapan pada bagan perahu. Boat lift net is one type of fishing gear at PPN Karangantu which operates at night. Boat lift net attracts the target catch fish, the small pelagic fish is positive phototaxis using a light attractor in the form of a lamp. One of the constraints of fishermen on the boat chart is that the lighting has experienced refraction. Underwater lamp aims to reduce refraction.The purpose of this research is to know the effect of underwater lamp usage on boat lift net fishing catch and to know the composition of boat lift net with and without using underwater lamp. This research was conducted for 10 trips using experimental fishing methods. The difference in total catch of boat lift net with and without underwater lamp on trip 1 is 33,4 kg, trip 2 is 38,9 kg, trip 3 is 31,1 kg, trip 4 is 41,1 kg, trip 5 is 28,8 kg, trip 6 is 30,5 kg, trip 7 is 35,4 kg, trip 8 is 34,3 kg, trip 9 is 38,7 kg and trip 10 is 31,6 kg so it shows the catch is more the boat lift net with underwater lamp. Fish targets of the boat lift net are Anchovy (Stolephorus sp.) and Cuttlefish (Loligo sp.). The bycatches of boat lift net are Pony fish (Leiognathus sp.), Fringescale sardinella (Sardinella sp.), Indian sardinella (Amblygaster sirm), Trevally (Selaroides leptolepi) and Hairtail fish (Lepturacanthus savala). The conclusion that can be drawn that there is an influence between underwater lamp and catches on the boat lift net.
ANALISIS KARAKTER REPRODUKSI DAN PERFORMA BENIH HIBRID IKAN NILA PANDU F6 DENGAN IKAN NILA NILASA (Oreochromis niloticus) Analysis of the Character Reproduction and Seed Hybrid Performance 0f Tilapia Fish F6 Pandu with Nilasa Tilapia (Oreochromis niloticus) Dio Patria Yustysi; Fajar Basuki; Titik Susilowati; Tristiana Yuniarti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (105.704 KB) | DOI: 10.14710/ijfst.12.1.19-23

Abstract

 Penelitian ini bertujuan untuk mengetahui pengaruh dari hibridisasi ikan nila Pandu F6 dengan nila Nilasa terhadap karakter reproduksinya dan performa benih yang dihasilkan. Penelitian ini dilakukan dengan metode eksperimental menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan. Perlakuan dalam penelitian ini: perlakuan A (Pandu F6 ♀><Pandu F6 ♂), B (Nilasa ♀><Nilasa ♂), C (Pandu F6 ♀>< Nilasa ♂), dan D (Nilasa ♀><Pandu F6 ♂). Data yang diamati meliputi fekunditas, daya tetas telur, diameter dan bobot telur, panjang dan bobot larva TL, panjang dan bobot larva lepas kuning telur, kelulushidupan, laju pertumbuhan spesifik, konversi pakan dan kualitas air. Hasil penelitian menunjukan nilai terbaik pada fekunditas sebesar 1191,67 ± 239,45 butir/200 g, daya tetas telur sebesar 80,93 ± 3,90%, kelulushidupan sebesar 81,55 ± 7,54%, laju pertumbuhan spesifik sebesar 7,26 ± 0,25, konversi pakan 0,54 ± 0,02 didapatkan pada perlakuan C, akan tetapi untuk diameter dan bobot telur, panjang dan bobot larva Kuning Telur, dan panjang dan bobot larva lepas kuning telur tidak berbeda nyata. Hasil tersebut menunjukan bahwa hibridisasi (perlakuan C) memberikan pengaruh yang nyata (P < 0,05) terhadap fekunditas, daya tetas telur, kelulushidupan, laju pertumbuhan spesifik, dan konversi pakan tetapi tidak berpengaruh terhadap diameter dan bobot telur, panjang dan bobot larva, dan panjang dan bobot larva lepas kuning telur.  This research aims to know the influence of hybridization tilapia fish Pandu F6 with nila Nilasa against the character of the reproduction and seed performance. This research was conducted with the experimental method using Random Design complete (RAL) with 4 treatments and three replicates. The treatments in this study: the treatment A (Pandu F6 F6 ♀ >< Pandu ♂), B (Nilasa ♀>< Nilasa ♂), C (Pandu F6 ♀>< Nilasa ♂), and D (Nilasa ♀ >< Pandu F6 ♂). The observed data covering fecundity, hatching rate, egg size, yolk sack larva length and weight, length and weight of the egg yolk off larvae, survival rate, specific growth rate, feed conversion rate, and water quality. The results showed the best value on the fecundity of 1191.67±239.45 eggs/200 g, Hatching rate 80.93 ± 3.90%, Survival rate of 81.55 ± 7.54%, specific growth rate of 7.26 ± 0.25, conversion fodder 0.54 ± 0.02 obtained at the treatment C, but for the diameter and weight of egg, larval length and weight TL, and the length and weight of the yolk egg off larvae for each treatment do not differ markedly. The results showed that hybridization (treatment C) gives a real influence (P < 0.05) of fecundity,hatching rate, survival rate but not with the egg size, larva weight and length, and the length and weight of larvae off yolk. Water quality on the spawning, hatching eggs and larvae found on the maintenance of a decent range for tilapia fish farming  
Performance Analysis of Nusantara Fishery Harbor of Pekalongan Kohar M, Abdul; Suherman, Agus; Arif, Much
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 7, No 1 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (98.385 KB) | DOI: 10.14710/ijfst.7.1.32-38

Abstract

The  objective  of  th e  research  were  to  find  out  the  work  program  that  done  and  performancepercentage level of the archipelagic fishery port of Pekalongan. The method of research used in the research is the descriptive method and a case study research. The primary data were collected from interviews, meanwhile the secondary data were collected from the related services and literature study presented in the institutions having the connections with observed objects. Data analysis using Balanced Scorecard (BSC) analysis. The research result shows that the work program efficiency that had been done was categorized as very good while percentage performance of PPN Pekalongan shows enhanced during   the last 3 year, this was caused by all work program ambulatory as according to annual performance plan. Keywords: fishery harbor, performance percentage

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