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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Pasir Laut Management of Aquatic Resources Journal (Maquares) Acta Aquatica: Aquatic Sciences Journal E-Amal: Jurnal Pengabdian Kepada Masyarakat

Niniek Widyorini

Aquatic Resources Management Study Program, Department Of Aquatic Resources, Faculty Of Fisheries And Marine Sciences, Universitas Diponegoro, Jl. Prof. H. Soedarto, SH., Tembalang, Semarang, 50725, Indonesia

Author-ID : 416848

Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Materials Science & Nanotechnology Other

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KEANEKARAGAMAN MOLUSKA BERDASARKAN TEKSTUR SEDIMEN DAN KADAR BAHAN ORGANIK PADA MUARA SUNGAI BETAHWALANG, KABUPATEN DEMAK (Molluscs Diversity based on Sediment Texture and Organic Matter Content in Betahwalang Estuary, Demak Regency) Hana Nisau Shalihah; Pujiono Wahyu Purnomo; Niniek Widyorini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 13, No 1 (2017): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Muara Sungai Betahwalang merupakan ekosistem yang mendapat masukan dari kegiatan penduduk daerah pemukiman sekitar dan dari Sungai Jajar. Muatan pencemar akan mempengaruhi kondisi muara terutama substrat dasar pada sungai Betah walang. Tekstur dan kandungan bahan organik di dalam sedimen menentukan keberadaan moluska. Tekstur sedimen merupakan tempat untuk menempel dan merayap atau berjalan, sedangkan bahan organik merupakan sumber makanan bagi moluska. Tujuan dari penelitian ini adalah untuk mengetahui keanekaragaman moluska, tekstur sedimen dan kadar bahan organik, serta untuk mengetahui hubungan antara variabel. Metode yang digunakan adalah metode survey dengan pengambilan sampel menggunakan metode Purposive Sampling. Sampel diambil pada 5 stasiun dan masing-masing stasiun terdiri dari 3 titik. Hasil penelitian menyebutkan bahwa terdapat 10 genera dari kelas Gastropoda yaitu Littorina, Cerithidea, Turritella, Clathrodrillia, Fasciolaris, Conus, Filopaludina, Pila, Melanoides dan Telescopium dan 4 genera dari kelas Bivalvia yaitu Anadara, Mesodesma, Mytilus dan Donax. Karakteristik substrat di muara Sungai Betahwalang adalah liat dan liat berpasir dengan kadar bahan organik berkisar antara 6,2-17,4 %. Hubungan moluska dengan tekstur sedimen terutama liat mempunyai korelasi positif dengan persamaan y = 6.94x + 224.0 (r = 0.535). Hubungan moluska dengan bahan organik mempunyai korelasi positif dengan persamaan y = 33.44x + 271.1 (r = 0.507) dan R2 = 0.257 Betahwalang Estuary is an ecosystem that gets input from the activities of the surrounding residents area and from the Jajar River. Contaminant load from upstream will affect the condition of the substrate in Betah walang river. Texture and organic matter content in the sediments determine the presence of molluscs. Sediment texture is a place for molluscs to stick, crawl or walk, while organic matter is a source of food for them. The purpose of this research is to know the diversity of molluscs, sediment textures and organic matter content, and to know the relationship between those variables. The method used is survey method with sampling using Purposive Sampling method. Samples were taken at 5 stations and each station consisted of 3 spots. The results show that 10 genera of the Gastropod class were Littorina, Cerithidea, Turritella, Clathrodoillia, Fasciolaris, Conus, Filopaludina, Pila, Melanoides and Telescopium and 4 genera of Bivalves class were Anadara, Mesodesma, Mytilus and Donax. Betahwalang estuary are characterized by clay and sandy clay with organic material content between 6,2-17,4%. The relationship of molluscs with sediment texture, especially clay, has a positive correlation with the equation y = 6.94x + 224.0 (r = 0.535). The relationship of molluscs with organic matter has a positive correlation with the equation y = 33.44x + 271.1 (r = 0.507).

IDENTIFIKASI DAN KELIMPAHAN BAKTERI PADA JENIS KARANG Acropora sp. DI REEF FLAT TERUMBU KARANG PULAU PANJANG JEPARA Identification and Abundance of Bacteria In Acropora sp. at Coral Reef Flat Panjang Island Jepara Rizka Alifianita Saputri; Niniek Widyorini; Pujiono Wahyu Purnomo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Pulau Panjang di utara Kota Jepara memiliki wilayah terumbu karang dengan jenis karang dominan yaitu Acropora sp. Ekosistem ini merupakan habitat yang mendukung kehidupan biota akuatik di sekitarnya termasuk mikroorganisme yang terdapat di dalamnya. Keberadaan bakteri di dalam koloni karang diperlukan sebagai biota pendukung sediaan nutrisi untuk proses fotosintesis zooxanthellae dalam polip karang. Tujuan dari penelitian ini adalah untuk mengetahui jenis bakteri dan kelimpahannya pada jenis karang Acropora sp. di reef flat terumbu karang di Pulau Panjang Jepara. Penelitian ini dilaksanakan pada bulan Maret-April 2016 dengan menggunakan metode deskriptif. Materi uji adalah supernatan dari Acropora sp. yang telah dicentrifuge selanjutya dilakukan isolasi bakteri, kultur, uji morfologi, dan uji biokimia. Hasil penelitian yang diperoleh adalah terdapat 3 jenis bakteri yang teridentifikasi di karang Acropora sp. yaitu Listeria sp., Bacillus sp.[1], Bacillus sp.[2] dan Micrococcus sp. Ketiga genera tersebut termasuk bakteri fakultatif dan berfungsi sebagai bakteri perombak bahan organik. Kelimpahan bakteri di karang Acropora sp. berkisar antara 1,0x104 Cfu/ml hingga 8,4x105 Cfu/ml. Pada stasiun I kelimpahan bakteri sebesar 2,0x104 Cfu/ml hingga 6,2x105Cfu/ml, stasiun II kelimpahan bakteri sebesar 1,0x104 Cfu/ml hingga 8,4x105Cfu/ml, serta pada stasiun III kelimpahan bakteri sebesar1,0x104 Cfu/ml hingga 1,3x105Cfu/ml. Kelimpahan bakteri tertinggi ditemukan pada stasiun II. Jenis bakteri Listeria sp. mendominasi dengan nilai 8,4x105 Cfu/ml sedangkan bakteri Micrococcus sp. memiliki nilai terendah yaitu 1,0x104 Cfu/ml. Panjang Island in the north of Jepara has coral reef areas which the dominant coral species is Acropora sp. This ecosystem is the habitat that supports to life for their surrounding aquatic organism, including microorganisms. The existence of bacteria in coral colonies is required to support nutrients availability for zooxanthellae photosynthesis inside coral polyps. The purposes of this study are to determine the type and abundance of bacteria present on Acropora sp. coral species on the reef flat coral reefs in Panjang Island Jepara. This study was conducted in March-April 2016 by using descriptive method. The material of research are supernatant of Acropora Sp after centrifuged and continued to isolation of bacteria, culture, morphology test and biochemical test. The results obtained is there are three species of bacteria that identified in Acropora sp. Those are, Listeria sp., Bacillus sp. [1], Bacillus sp. [2] and Micrococcus sp. All those genera include to facultativebacteria and serves as organic material decomposer bacteria. The abundance of bacteria in the Acropora sp. coral are between 1,0x104 Cfu/ml to 8,4x105 Cfu/ml. At the station I abundance of bacteria was2,0x104 Cfu/mlto 6,2x105Cfu/ml, station II abundance of bacteria was 1,0x104 Cfu/ml to 8,4x105Cfu/m, and at station III abundance of bacteria was 1,0x104 Cfu/ml to 1,3x105Cfu/ml. The highest abundance of bacteria is located at station II.The type of Listeria sp. bacteria dominates the highest value, that is 8,4x105 Cfu/ml while Micrococcus sp. bacteria has the lowest value, that is 1,0x104 Cfu/ml.

ANALISIS KELIMPAHAN TOTAL BAKTERI COLIFORM DI PERAIRAN MUARA SUNGAI SAYUNG, MOROSARI, DEMAK (Analysis of Total Abundance of Coliform Bacteria at the Sayung River Estuary, Morosari, Demak) Lani Febriana Safitri; Niniek Widyorini; Oktavianto Eko Jati
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Perairan Muara Sungai Sayung terletak di wilayah Kabupaten Demak sebelah barat. Perairan ini telah dipengaruhi oleh berbagai aktivitas manusia yang menyebabkan terjadinya penurunan kualitas perairan. Bakteri Coliform merupakan bakteri gram negatif yang berbentuk batang dan tidak membentuk spora. Bakteri ini merupakan bakteri indikator terjadinya pencemaran perairan maupun indikator keberadaan bakteri patogen lainnya. Perhitungan total bakteri Coliform perlu dilakukan untuk mengetahui adanya pencemaran limbah organik yang terjadi di Perairan Muara Sungai Sayung, Morosari, Demak. Tujuan dari penelitian ini adalah untuk mengetahui kelimpahan total bakteri Coliform, dan status perairan di Perairan Muara Sungai Sayung, Morosari, Demak. Penelitian ini juga bertujuan untuk mengetahui hubungan dari jumlah total bakteri Coliform dengan bahan organik terlarut dan oksigen terlarut (DO). Pelaksanaan penelitian ini dilakukan pada bulan Mei 2018. Metode yang digunakan dalam penelitian ini adalah metode survei dan teknik pengambilan sampel menggunakan metode random sampling yang dilakukan pada lima stasiun. Hasil penelitian menunjukkan bahwa kelimpahan rata-rata total bakteri Coliform yang diperoleh berkisar antara 4 x 103 – 550 x 10 3/100ml. Kelimpahan rata-rata total bakteri Coliform yang diperoleh pada setiap stasiun menunjukkan bahwa kandungan total bakteri Coliform telah melebihi baku mutu air menurut Keputusan Menteri Lingkungan Hidup Nomor 51 Tahun 2004. Keberadaan total bakteri Coliform memiliki hubungan yang lemah dengan kandungan bahan organik terlarut, sedangkan keberadaan total bakteri Coliform memiliki hubungan yang cukup dengan oksigen terlarut (DO) di perairan Muara Sungai Sayung Morosari, Demak. Sayung River Estuary is located in the western part of Demak Regency. This estuary has been affected by various human activities which have led to a decline in water quality. Coliform bacteria are a gram-negative bacteria that are rod-shaped and do not form spores. This bacterium is an indicator bacteria of water pollution and an indicator of the presence of other pathogenic bacteria. Total Coliform bacteria calculation needs to be carrid out to find out if there any contamination of organic waste in Sayung River Estuary, Morosari, Demak.. The purpose of this research was to determine total abundance of Coliform bacteria, water quality in Sayung River Estuary, Morosari, Demak and relationship between the total abundance of Coliform bacteria with dissolved organic matter and dissolved oxygen (DO). This research was carried out in May 2018. The method that used in this research were survey method and the sampling technique was random sampling method in five stations. The results showed that the average abundance of total Coliform bacteria obtained ranged between 4 x 103 - 550 x 103 / 100ml. Average abundance of total Coliform bacteria obtained at each station shows that the total content of Coliform bacteria has exceeded the water quality standard according to Minister of Environment Decree number 51 of 2004. The total presence of Coliform bacteria has a weak relationship with the content of dissolved organic matter, while the total number of Coliform bacteria have sufficient relationship with dissolved oxygen (DO) in the Sayung River Estuary,Morosari, Demak.

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

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.

MOLECULAR IDENTIFICATION OF DENITRIFYING BACTERIA TO EVALUATE THE SENSITIVITY OF SELECTIVE MEDIA Dianti Eka Yurnaningsih; Aninditia Sabdaningsih; Niniek Widyorini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 3 (2021): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.17.3.%p

Eutrophication is the main problem in Rawa Pening that occurs due to the high supply of organic material from various sources. The high level of nitrate in the water can be reduced through denitrification mechanism using some bacteria such as Pseudomonas group. This bacteria group was often isolated using Glutamate Starch Phenol (GSP) selective media. This study aims to identify the species from the floating net cage of Rawa Pening that was suspected as Pseudomonas group based on colony morphology in GSP through molecular approach, build the phylogenetic tree, and analyze the genetic distance. The research was conducted from January to May 2020. The molecular approach was carried out using the Polymerase Chain Reaction (PCR) method with 16S rRNA gene amplification. The results of BLAST analysis showed that isolate D1 which obtained from water samples in the Rawa Pening floating net cage area had 99.23% homology with Acinetobacter junii strain tu13. The partial sequence of DNA was already deposited to GenBank with accession number LC603787. The phylogenetic tree construction was built using Neighbor-Joining analysis on MEGA X software. The results showed that isolate D1 was related to Acinetobacter junii strain tu13 with 0.006 genetic distance while Pseudomonas fluorescens with 0.144 genetic distance. The result revealed that isolate D1 closely related to A. junii rather than Pseudomonas group. This study indicated that GSP medium has a sensitivity range at the Order level, namely Pseudomonadales.

Investigating the Relationship between Sea Surface Temperature and Chlorophyll-a Concentration: An Empirical Finding from the North Coast of Semarang, Indonesia Mersi Liwa'u Dina; Mahdy Rohmadoni; Vina Aulia Firdausa; Arizal Rusdiyato; Pradita Yusi Akshinta; Muhammad Mujiya Ulkhaq; Suryanti Suryanti; Abdul Ghofar; Niniek Widyorini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 3 (2021): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.17.3.%p

This study investigated the relationship between sea surface temperature (SST) and chlorophyll-a (chl-a) concentration in the North Coast of Semarang, Indonesia. The data were collected using Moderate Resolution Imaging Spectroradiometer Satellite (Aqua-MODIS) chl-a level-3 standard mapped image for a period of five years (2015–2019). Due to cloud coverage, monthly averaged data were used in this study. The result shows that monthly averaged SST ranged from 28.1°C to 31.3 °C. This SST is relatively higher in the transition season (especially in the first transition season) compared to the east and west monsoons season. Chl-a concentration ranged from 0.002 mg/m3 to 1.388 mg/m3. This concentration fluctuates according to the seasonal winds. The maximum concentration of chl-a occurred in the west monsoon season, while the minimum one happened in the second transition season. Using the Pearson correlation coefficient, the correlation is -0.092, which indicates a weak negative correlation between SST and chl-a concentration. This study is expected to give an insight into the potential fishing ground since the chl-a concentration can be such an indicator for the presence of fish.

PENGARUH KOMPOSISI JENIS PAKAN YANG BERBEDA TERHADAP PERTUMBUHAN TUKIK PENYU SISIK (Eretmochelys imbricata) DI PENETASAN SEMI-ALAMI PENYU TAMAN NASIONAL KARIMUNJAWA (The Effect of Different Feeding Composition on Growth of Baby Hawksbills Turtle (Eretmochelys imbricata) in Semi-Natural Hatching Den in Karimunjawa National Park) Fadya Rachmi Puteri; Norma Afiati; Niniek Widyorini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 2 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Populasi alamiah penyu di Indonesia terus menurun 20 - 30% per tahun terutama lebih disebabkan oleh faktor manusia dibandingkan dengan faktor alam dan predator. Beberapa di antara teknik penyelamatan untuk pelestarian penyu antara lain melalui penetasan di sarang semi-alami, perlindungan translokasi habitat (konservasi in-situ), penegakan hukum, penyuluhan dan pemberdayaan masyarakat sekitar. Di sarang semi-alami jenis pakan yang tepat pada saat pemeliharaan awal tukik sebelum dilepas ke laut akan mempengaruhi kelulus-hidupan mereka. Padahal, sampai saat ini jenis pakan yang tepat untuk tukik belum banyak diketahui. Penelitian ini menggunakan tiga 3 perlakuan pakan (Sardinella lemuru 100%; Sargassum filipendula 100%; campuran S. lemuru dan S. filipendula 50:50%), analisis data enggunakan Rancangan Acak Lengkap (RAL) dengan 3 pengulangan. Secara statistik, diketahui bahwa tiap perlakuan pakan menghasilkan perbedaan pada variabel panjang, lebar karapas dan bobot tukik. Berdasarkan analisis alometri tukik E.imbricata selama penelitian, dihasilkan konstanta b < b antar perlakuan yang menunjukkan bahwa pertumbuhan bersifat alometri negatif pada variabel panjang karapas dan bobot tubuh serta panjang dan lebar karapas; kecuali pada hubungan panjang dan lebar karapas tukik dengan pakan S. lemuru. The population of sea turtles in Indonesia continued to decrease by 20-30% each year. The decline in natural turtle populations is caused mainly by human factors rather than natural factors and predator. Among others, rescue and preservation of turtles can be accomplished through rearing in a semi-natural den, protection of the habitat translocation (in-situ conservation), law enforcement, education and empowerment of local communities. The proper type of feed for the hatchlings to provide information on required nutrient in optimizing the growth has not been known until now. The methods used in this study was an experimental method apllying Complete Randomised Design with three feeding treatments (100% S. lemuru; 100% Sargassum filipendula; 50:50% mixed of S. lemuru and S. filipendula). The results showed that carapace length, carapace width and body weight differed statistically (P<0.05) in every feed treatment. Hatchlings showed negative allometric (b < ) in carapace length to weight as also carapace length to its width. Isometry in carapace length and width is only shown by hatchlings fed with S. lemuru

PROGRAM PENDAMPINGAN KELOMPOK TANI “KARYA MINA MANDIRI” MANGUNHARJO DALAM RANGKA PENINGKATAN PENJUALAN DAN PROMOSI PRODUK HASIL OLAHAN MANGROVE Niniek Widyorini; Churun A’in; Siti Rudiyanti; Suryanti Suryanti; Pujiono Wahyu Purnomo
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

Sister Program for “Mina Karya Mandiri” Group to Improve Selling and Promotion Mangrove Processing Product ABSTRAK Kegiatan Pengabdian Masyarakat melalui program pendampingan kelompok tani dilaksanakan sebagai solusi untuk mengatasi stagnasi produksi dan penjualan hasil olahan mangrove (bolu dan krupuk mangrove) yang dihasilkan oleh Kelompok Tani “Karya Mina Mandiri” (KMM) dilaksanakan pada bulan Agustus-September 2014 di Mangunharjo Semarang. Target luaran (outcome) dalam kegiatan ini adalah pemantapan dan penguatan kerjasama yang selama ini telah terjalin antara tim pengabdian masyarakat dengan kelompok tani KMM sebagai mitra binaan, meningkatkan brand image product, meningkatkan hasil penjualan, meningkatkan minat masyarakat terhadap produk olahan mangrove, serta meningkatkan kesadaran akan pentingnya mangrove. Target kegiatan pengabdian masyarakat sudah terlaksana dengan baik sebesar 90% seperti sosialisasi, penyuluhan, perbaikan kemasan (packaging), pengujian informasi gizi produk dan pemberian bantuan alat kemasan. 10% Target kegiatan berupa promosi serta monitoring program pendampingan yang telah dijalankan, belum dapat dilakukan karena kendala bulan musim panen buah mangrove telah berlalu sehingga kelompok tani “Karya Mina Mandiri” belum dapat memproduksi hasil olahan mangrove dalam volume besar. Hasil pengujian kandungan gizi bolu mangrove sebagai berikut : total antioksidan 129%, kalori 364 Kkal/kg, protein 5,5%, lemak 0,61% dan karbohidrat 78,13% sedangkan pengujian kandungan gizi pada krupuk mangrove adalah sebagai berikut : total antioksidan 1,29%, kalori 240 Kkal/kg, protein 3,89%, lemak 0,3%, karbohidrat 68,29%. Berdasarkan kesimpulan tersebut, maka saran yang bisa disampaikan adalah Kendala musim panen buah mangrove perlu diantisipasi dengan cara mengolah semaksimal mungkin buah mangrove untuk dijadikan tepung pada saat panen dan menyimpannya sebagai stock cadangan pada bulan nonpanen. Kata kunci : Program Pendampingan, Olahan Mangrove, Kandungan Gizi, Kemasan Produk, Kelompok Tani “ Karya Mina Mandiri”, Mangunharjo Community Service activities through sister program implemented as a solution to overcome the stagnation in the production and sale of mangrove processed products (cake and krupuks-snacks mangrove) generated by Farmers Group "Mina Karya Mandiri" (KMM). Target outcomes (outcome) in this activities are the establishment and strengthening of cooperation that has been established between a community service teams with farmer groups KMM as trained partners, improve product brand image, increase sales, increase public interest in the mangrove refined products, as well as raising awareness the importance of mangrove. Target community service activities already performing well by 90% as socialization, counseling, improved packaging (packaging), testing the nutritional information of products and provision of packaging tools. 10% target in the form of promotional activities as well as monitoring of assistance programs that have been run, can not be done because of constraints in mangrove fruit harvest season has passed so that farmers group "Mina Karya Mandiri" have not been able to produce results in large volumes of processed mangrove. The test results mangrove nutritional content as follows: total antioxidant 129%, 364 calories Kcal/kg, 5,5% protein, fat and carbohydrate 0,61% 78,13% while testing the nutrient content in the mangrove krupuks-snacks are as follows: total antioxidant 1,29%, calories 240 kcal / kg, 3,89% protein, 0,3% fat, carbohydrates 68,29%. Based on these conclusions, the suggestions can be submitted is Constraints mangrove fruit harvest should be anticipated by processing as much as possible to be used as flour mangrove fruit at harvest and store it as a backup in nonharvest stock. Keywords : Sister Program, Mangrove Processing Product, Nutritional Ingredients, Packaging Products, Farmers Group "Mina Karya Mandiri", Mangunharjo

Tidal Effect on Recruitment East Larvae Fish In East Pelawangan Segara Anakan Cilacap Subiyanto Subiyanto; Niniek Widyorini; Iswahyuni Iswahyuni
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 5, No 1 (2009): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Observations on transport of fish larvae during low tide in the East Sea has been done Pelawangan interest from July to September 2003. Sampling is performed using Plankton nets 60 cm in diameter and 200 mesh size, as many as 5 times in the full month, either at the time of high tide or low tide. Net withdrawals are carried out for 10 minutes at 2 knots. During studies have arrested 904 individual which consist of 11 families, there are Clupeidae, Engraulididae, Belonidae, Hemiramphidae, Atherinidae, Mugillidae, Ambassidae, Apogonidae, Gerreidae, Pomacentridae, Gobiidae. Most fish larvae are caught fish larvae, adult stage in the sea. Observations show that the influence of tidal changes of fish larvae in the East Pelawangan. Where the tide arrested 472 people (52.21%) and at low tide arrested 432 people (47.79%). Key words : Tidal, Recruitment, Fish larvae

Feeding habit study of Pelagic Fish which Caught in the Area of seagrass with different densities in Pulau Panjang, Jepara Niniek Widyorini
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

Seagrass bed on the shallow water area is a very important ecologically. It plays very important roles to the life of many kinds of fish, such as: as the nursery ground, feeding ground, spawning ground or just passing by. Of course, type and species of the fish itself will influence it. The growth of some individual and population highly related with the food existence in the area where they live. This research aimed to discover the food habit of pelagic fish, which caught in the seagrass area with different densities. The research was carried out for 2 months (July – August 2004). The research method that used was descriptive method, which had case study character. The sampling method to catch the fish was done using purposive sampling method . The determination of the research location was carried out with the mapping, which divided the seagrass area into 3 sampling stations based on its densities, which were high, medium and low density. The fish was caught using Gill net with 0.5 inch in mesh size. Based on the food habit analysis of food proportion that was obtained in the fish gut, the phytoplankton from the cyanophyta class was largely found. It caused by the high abundance of phytoplankton form this class in the waters. Meanwhile, the zooplankton group that dominated the waters was from entomostraca class. Most of the catched fish in three stations with different densities were omnivore. Ke y Word : Feeding Habit, Area of Seagrass, Pulau Panjang Jepara

Co-Authors - Ruswahyuni Abdul Ghofar Adi, Faiz Prasetya Agus Hartoko Ahmad Hadi Marwan, Ahmad Hadi Alfian Dony Saputra Alva W, Silvia Silvia Grandies Angelia Maharani Setya Putri Anggieta, Yayank Dita Anhar Solichin Aninditia Sabdaningsih Anjani, Putri Dewi Arizal Rusdiyato Aryo Ganesha Putra, Aryo Ganesha Asih, Dilia Puspita Astari, Findiani Dwi Azzam, Faudzi Ath Tho Bambang Sulardiono Banuaji, Heru Boedi Hendrarto Churun Ain Churun Ain Churun A’in Deni Kristiawan Derry Kurnia Prasetya, Derry Kurnia Dewinta, Raisa Diah Ayuningrum, Diah Dianti Eka Yurnaningsih Dimas Rahmat Ramadhian, Dimas Rahmat Dimas Surya Mahendra Wijayanto Djoko Suprapto Dwi Assy Dwi Tasha Maulida, Dwi Tasha Errinda Pramesti Oktaviana, Errinda Pramesti Fadya Rachmi Puteri Fahmy Barik Falensia, Talita Safa Fauzi, Reyhan Fathullah Febrianto, Sigit Ferdiansyah Ferdiansyah Frida Purwanti Haeruddin Haeruddin Hana Nisau Shalihah Hariawansyah, Fathul Aziz Hesty Riyana, Hesty Iswahyuni Iswahyuni Janisa Ferril Indriyastuti Kiai Agoes Septyadi Kurnia, Rahanti Lailatussyifa, Ayu Lani Febriana Safitri Lolo Ray Marbun Lusiana Rahayu Widiastuti Lustianto, Anggi Febri M. Mujiya Ulkhaq Mahdy Rohmadoni Mahrus, Ilham Hauzan Maruli Albert Max Rudolf Muskananfola Merlyna Novianti Mersi Liwa'u Dina Moh Hidayat Muhammad Ilham Mulkan Nuzapril Munandar - Mustofa Nitisupardjo Nasution, Afiah Niâ€™ma, Nazla Norma Afiati Nur Ain Nurâ€™aini, Estri Nursubekhi, Rijal Galih Amta Oktavianto Eko Jati Pradita Yusi Akshinta Pujiono Wahyu Purnomo Putri Nur Arifah, Putri Nur Rachmawan, Dicky Setya Rakhim, Lutfi Nur Ria Purnama Dewi Rinaldi, Rexa Kurnia Rizka Alifianita Saputri Ruswahyuni - Ruswahyuni Ruswahyuni Sahala Hutabarat Sakti, Akbar Parasukma Satrio, Budi Savitri Taurusiana Sianturi, Yenti Agustina Siti Nur Hidayah, Siti Nur Siti Rudiyanti Stephanus Jeanua Widyalistyo Putra Subiyanto Subiyanto Supriharyono Supriharyono Supriharyono Supriharyono Supriyati, Siti Suryanti - Suryanti Suryanti Sutrisno Anggoro Sutrisno Anggoro Syiva Nur Anggraeni, Syiva Nur Taufani, Wiwiet Teguh Temmy Temmy Tiara Surya Dewi Tito Firmansyah Yuanto Tjatur Wulandari, Tjatur Tri Kusuma Oktaviana Tyas, Diani Estining Untung Ismoyo Uswah Hasanah Utari, Erni Dwi Vera Nabila Ariyanti, Vera Nabila Vina Aulia Firdausa Wiwid Widyaningsih, Wiwid Yasintia Aryanov Soekiswo Yaya Fitriyah, Yaya Yunita, Isnaini Dian Yurnaningsih, Dianti Eka

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