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All Journal Jurnal Ilmiah Informatika Komputer ZOO INDONESIA OLDI (Oseanologi dan Limnologi di Indonesia) Marine Research in Indonesia
Kunto Wibowo
Gunadarma University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Other

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Komunitas ikan-ikan karang Teluk Prigi, Trenggalek, Jawa Timur Wibowo, Kunto; Adrim, Mohammad
ZOO INDONESIA Vol 22, No 2 (2013): Desember 2013
Publisher : Masyarakat Zoologi Indonesia

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Abstract

Penelitian mengenai kenekaragaman dan struktur komunitas ikan karang ini dilakukan di Teluk Prigi Kabupaten Trenggalek, Jawa Timur. Kenekaragaman jenis dan struktur komunitas ikan karang di perairan gelombang berenergi tinggi pesisir Samudera Hindia dilakukan dengan metode sensus visual (UVC) menggunakan peralatan SCUBA. Jumlah jenis ikan karang diperoleh 102 jenis yang mewakili 22 suku, terdiri dari 32 jenis ikan target, 17 jenis ikan indikator, dan 53 jenis ikan major. Jenis-jenis dominan masing-masing kategori adalah Acanthurus bariense (ikan target), Chaetodon kleinii (ikan indikator), dan Archamia fucata (ikan major). Analisis kluster indeks similaritas Bray-Curtis menunjukkan adanya 3 tipe habitat komunitas ikan. Pengelompokan habitat ini mengindikasikan hasil yang sama dengan ordinasi sampel MDS dimana dengan jelas menunjukkan tiga komunitas yang berbeda.
Status Trofik Ikan Karang dan Hubungan Ikan Herbivora dengan Rekrutmen Karang di Perairan Pulau Pari, Teluk Jakarta Wibowo, Kunto; Abrar, Muhammad; Siringoringo, Rikoh Manogar
Oseanologi dan Limnologi di Indonesia Vol 1, No 2 (2016)
Publisher : Oseanologi dan Limnologi di Indonesia

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Abstract

Keanekaragaman jenis dan kelimpahan ikan karang merupakan salah satu petunjuk tentang kesehatan ekosistem terumbu karang. Berdasarkan status trofiknya, ikan herbivora menjadi kelompok yang penting sebagai pengontrol populasi algae yang secara spasial merupakan kompetitor karang. Penelitian ini bertujuan untuk mengetahui kondisi keanekaragaman jenis ikan karang di perairan Pulau Pari dan hubungan ikan herbivora dengan rekrutmen karang. Penelitian dilakukan di lima stasiun ekosistem terumbu karang di Pulau Pari dan sekitarnya pada bulan Maret 2014. Pengumpulan data ikan karang dilakukan dengan cara pengamatan bawah air menggunakan transek sabuk sepanjang 70 m dan lebar 5 m. Pencatatan rekrutmen karang dilakukan dengan menggunakan transek 1 x 1 m2  sebanyak 9 kali ulangan. Tercatat sebanyak 121 spesies ikan karang yang tergolong dalam 25 genera dan 20 famili. Pomacentridae, Labridae, dan Chaetodontidae merupakan tiga famili dengan keanekaragaman spesies tertinggi. Kelimpahan ikan herbivora bervariasi antara stasiun, dari 4 hingga 52 individu dalam setiap transek. Rekrutmen karang di perairan Pulau Pari tergolong rendah, yaitu 3,22 koloni/m2. Namun, hasil regresi menunjukkan kelimpahan ikan herbivora berkorelasi positif dengan kepadatan karang muda. Kelimpahan ikan herbivora dan kepadatan karang muda di perairan Pulau Pari belum menunjukkan potensi maksimal bagi pemulihan karang setelah mengalami kerusakan. Rekrutmen karang yang rendah dalam ekosistem di perairan Pulau Pari ini juga disebabkan oleh sedimentasi, suhu, pola arus, dan salinitas.  
TWO NEW RECORDS OF ANTHIINE FISHES GENUS PLECTRANTHIAS (PERCIFORMES: SERRANIDAE) FROM INDONESIA Peristiwady, Teguh; Makatipu, Petrus Ch.; Satrioajie, Widhya Nugroho; Wibowo, Kunto
Marine Research in Indonesia Vol 39, No 2 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1179.571 KB) | DOI: 10.14203/mri.v39i2.89

Abstract

Three specimens of Plectranthias retrofasciatus Fourmanoir and Randall, 1979 and one specimen of P. randalli Fourmanoir and Rivaton, 1980 were collected by first author from fish market, Bitung, North Sulawesi on June and September 2010. The specimens were deposited at LBRC-F, the reference collection of LIPI Bitung, Technical Implementation Unit for Marine Biota Conservation, Research Centre for Oceanography, Indonesian Institute of Sciences, Bitung, Indonesia. Plectranthias retrofasciatus is closely related to P. megalophthalmus and P. knappi, in sharing some morphological characters as snout length and interorbital width, while P. randalli differs to other species by having a moderate deep body proportion. Initially these species known only from New Caledonia for P. retrofasciatus and Chesterfield Islands and southern Taiwan for P. randalli respectively. The two species of anthiine fishes collected from Bitung, Indonesia bringing the total number of species of this genus known in Indonesia to six.
COMMUNITY STRUCTURE OF CHAETODONTIDAE IN THE WEST OF BANDA SEA Wibowo, Kunto; Adrim, Mohammad; Makatipu, Petrus Christianus
Marine Research in Indonesia Vol 38, No 1 (2013)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1215.059 KB) | DOI: 10.14203/mri.v38i1.51

Abstract

Distribution and composition of Indonesian Chaetodontid species may vary among different locations. However, illegal fishing practices such as bombing and poisoning on reef ecosystems have significant contribution to environmental degradation and can change the community structure of fish especially that of Chatodontids that act as indicator species in in the given areas. Therefore, it is important to do periodic surveys to know the current condition and their changing. A study on community structure of Chaetodontidae has been conducted from July toAugust 2011 on coral reef ecosystems of the Banda Sea and its adjacent waters including Banggai, Kendari, and Lamalera Islands. Scuba equipment was used and underwater visual census method was applied for collecting the data at 21 stations. A total of 1399 individual Chaetodontid fishes was observed, belonging to thirty species and seven genera, i.e. Chaetodon (20 species), Heniochus (4 species), Forcipiger (2 species), Chelmon (1 species), Coradion (1 species), Hemitaurichthys (1 species), and Parachaetodon (1 species). Chaetodon kleinii was the most dominant species in the Banggai (74,38%) and Lamalera (71,71%). Kendari was characterized by the presence of C. octofasciatus that contributed 55,20%. There were two dominant groups of Chaetodontidae based on the feeding guild. Facultative coral feeder was the most abundance in Banggai and Lamalera, while the most commonChaetodontidae in Kendari belonged to obligate coral feeder. Chaetodontid diversity in Banggai was the lowest compared to that of in other studied areas. Anthropogenic pressure may become a major factor causing the low diversity and studied species richness in the coral reef ecosystem of Banggai waters.
COMMUNITY STRUCTURE OF CHAETODONTIDAE IN THE WEST OF BANDA SEA Wibowo, Kunto; Adrim, Mohammad; Makatipu, Petrus Christianus
Marine Research in Indonesia Vol 38 No 1 (2013)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1215.059 KB) | DOI: 10.14203/mri.v38i1.51

Abstract

Distribution and composition of Indonesian Chaetodontid species may vary among different locations. However, illegal fishing practices such as bombing and poisoning on reef ecosystems have significant contribution to environmental degradation and can change the community structure of fish especially that of Chatodontids that act as indicator species in in the given areas. Therefore, it is important to do periodic surveys to know the current condition and their changing. A study on community structure of Chaetodontidae has been conducted from July toAugust 2011 on coral reef ecosystems of the Banda Sea and its adjacent waters including Banggai, Kendari, and Lamalera Islands. Scuba equipment was used and underwater visual census method was applied for collecting the data at 21 stations. A total of 1399 individual Chaetodontid fishes was observed, belonging to thirty species and seven genera, i.e. Chaetodon (20 species), Heniochus (4 species), Forcipiger (2 species), Chelmon (1 species), Coradion (1 species), Hemitaurichthys (1 species), and Parachaetodon (1 species). Chaetodon kleinii was the most dominant species in the Banggai (74,38%) and Lamalera (71,71%). Kendari was characterized by the presence of C. octofasciatus that contributed 55,20%. There were two dominant groups of Chaetodontidae based on the feeding guild. Facultative coral feeder was the most abundance in Banggai and Lamalera, while the most commonChaetodontidae in Kendari belonged to obligate coral feeder. Chaetodontid diversity in Banggai was the lowest compared to that of in other studied areas. Anthropogenic pressure may become a major factor causing the low diversity and studied species richness in the coral reef ecosystem of Banggai waters.
TWO NEW RECORDS OF ANTHIINE FISHES GENUS PLECTRANTHIAS (PERCIFORMES: SERRANIDAE) FROM INDONESIA Peristiwady, Teguh; Makatipu, Petrus Ch.; Satrioajie, Widhya Nugroho; Wibowo, Kunto
Marine Research in Indonesia Vol 39 No 2 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1179.571 KB) | DOI: 10.14203/mri.v39i2.89

Abstract

Three specimens of Plectranthias retrofasciatus Fourmanoir and Randall, 1979 and one specimen of P. randalli Fourmanoir and Rivaton, 1980 were collected by first author from fish market, Bitung, North Sulawesi on June and September 2010. The specimens were deposited at LBRC-F, the reference collection of LIPI Bitung, Technical Implementation Unit for Marine Biota Conservation, Research Centre for Oceanography, Indonesian Institute of Sciences, Bitung, Indonesia. Plectranthias retrofasciatus is closely related to P. megalophthalmus and P. knappi, in sharing some morphological characters as snout length and interorbital width, while P. randalli differs to other species by having a moderate deep body proportion. Initially these species known only from New Caledonia for P. retrofasciatus and Chesterfield Islands and southern Taiwan for P. randalli respectively. The two species of anthiine fishes collected from Bitung, Indonesia bringing the total number of species of this genus known in Indonesia to six.
THE STUDY HOW TO ASSEMBLING SMD DEVICE INTEGRATED Wibowo, Kunto
Jurnal Ilmiah Informatika Komputer Vol 13, No 3 (2008)
Publisher : Universitas Gunadarma

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Abstract

Nowadays, the size of electronic components is not macro anymore, but already in micro size, even nano. In designing electronic device using surface mount device (SMD), a number of special components which has better characteristics is oftentimes required because of the demand which can not be tolerated. Hermetic SMD (airproof SMD) is a preference to fulfill the demand for design of small size, light weight, perfect thermal performance, free of switching waves, and also higher circuit efficiency.Keyword(s): assembling, SMD, thermal performance, effcient.Subject Description : B.7.Integrated Circuit | B.7.1. Types and Design Styles | Advanced Technologies
Co-Authors Makatipu, Petrus Ch. Makatipu, Petrus Ch. Makatipu, Petrus Christianus Makatipu, Petrus Christianus Mohammad Adrim, Mohammad Muhammad Abrar Peristiwady, Teguh Peristiwady, Teguh Rikoh Manogar Siringoringo Satrioajie, Widhya Nugroho Satrioajie, Widhya Nugroho