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All Journal HAYATI Journal of Biosciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Harpodon Borneo Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Widyariset JURNAL BIOLOGI INDONESIA Jurnal Akuatika Indonesia ARISTO Syntax Literate: Jurnal Ilmiah Indonesia Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan Al-Madrasah: Jurnal Ilmiah Pendidikan Madrasah Ibtidaiyah Indonesian Fisheries Research Journal Jurnal Penelitian Perikanan Indonesia Bawal : Widya Riset Perikanan Tangkap JURNAL PENDIDIKAN TAMBUSAI Jurnal Basicedu GOLDEN AGE: JURNAL PENDIDIKAN ANAK USIA DINI Jurnal Ilmiah Religiosity Entity Humanity (JIREH) Academy of Education Journal Jurnal Educatio FKIP UNMA Jurnal Laot Ilmu Kelautan Widyariset JURNAL PENDIDIKAN SAINS SOSIAL DAN AGAMA Jurnal Pengkajian Dhamma Jurnal Agama Buddha dan Ilmu Pengetahuan Dharmas Education Journal (DE_Journal) Jurnal Momen : Teknik Sipil Suryakancana Al Khidma: Jurnal Pengabdian Masyarakat COJ (Coastal and Ocean Journal) Petanda : Jurnal Ilmu Komunikasi dan Humaniora Jurnal Basicedu Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Journal of Education Technology Information Social Sciences and Health MindSet : Jurnal Manajemen Pendidikan Islam Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Indonesian Journal of Education and Development Research Journal of Education Religion Humanities and Multidiciplinary Karunia: Jurnal Hasil Pengabdian Masyarakat Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Journal of Social Work and Science Education International Journal of Law and Society Jurnal Pendidikan Buddha dan Isu Sosial Kontemporer (JPBISK) PHINISI

Mujiyanto Mujiyanto

Research Center For Conservation Of Marine And Inland Water Resources, National Innovation Research Agency, Republic Of Indonesia

Author-ID : 323891

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EFFECTIVENESS OF SUB ZONE CETACEAN PROTECTION IN MARINE PROTECTED AREAS SAVU SEA NATIONAL MARINE PARK, EAST NUSA TENGGARA Mujiyanto Mujiyanto; Adriani Sri Nastiti; Riswanto Riswanto
COJ (Coastal and Ocean Journal) Vol. 1 No. 2 (2017): COJ (Coastal and Ocean Journal)
Publisher : Pusat Kajian Sumberdaya Pesisir dan Lautan IPB

The zonation review and evaluation took into account habitat protection areas and categorised migration routes. In addition, the sustainability of fishery resources is maintained, as people in Savu Sea depend on fishery resources. The objectives of this research are to analyse the effectiveness of sub-zone cetacean protection for Savu Sea National Marien Park. The research stations were watering inside and outside in Savu Sea National Marine Park. The sampling of the research was conducted on 2015 and 2016, collecting data using a zig-zag transect by observation method of collecting data sighting cetacean with single observer platform. The results of sub-zone cetacean protection against Southwest Sumba waters, West Sumba and East Timor Land need to be reviewed if referring the current zoning area. Sub-zone for areas to protect sustainability cetacean need to be adjusted addition and alteration of fishery zone, the area of Southwest Sumba, West Sumba and Central Sumba is ± 445,567.44 ha and ± 239,307.52 ha to around East Timor Land waters. Extensive re-evaluation of existing protection sub-zones is requiring. A review of extent to efectiveness water areas attend the conflict of interest in needs of fisherman to catch and migration route of cetacean.

COMMUNITY OF PHYTOPLANKTON AT KARIMUNJAWA NATIONAL PARK, JEPARA, CENTRAL JAVA Arip Rahman; Mujiyanto Mujiyanto
Widyariset Vol 16, No 3 (2013): Widyariset
Publisher : Pusbindiklat - LIPI

Karimunjawa National Park is one of nature conservation area in Jepara Regency. The development of the tourism sector in the region will affect the condition of waters. The research aimed to determine community of phytoplankton in the waters Karimunjawa. The study was conducted in April, July, October, and November 2012 with field survey. Phytoplankton samples were taken using plankton net from four locations which purposively chosen. Water quality parameters were recorded including temperature, salinity, dissolved oxygen, and nutrient. The result indicated that there were 34 species of phytoplankton which grouped into two classes, Bacillariophyceae and Diniphyceae. Diversity index ranging 0.89 and 2.3, equitability index ranging 0.67 and 0.99 and dominance index ranging 0.09 and 0.46. Based on criteria of biological indices and analysis of water quality, the condition of the waters in National Parks Karimunjawa is stable moderate. During the research does not happen certain phytoplankton species dominance.

COMPOSITION AND DISTRIBUTION OF DOLPHIN IN SAVU SEA NATIONAL MARINE PARK, EAST NUSA TENGGARA Mujiyanto Mujiyanto; Riswanto Riswanto; Dharmadi Dharmadi; Wildan Ghiffary
Indonesian Fisheries Research Journal Vol 23, No 2 (2017): (December, 2017)
Publisher : Research Center for Fisheries

Dolphins are one of the most interesting cetacean types included in family Delphinidae or known as the oceanic dolphins from genus Stenella sp. and Tursiops sp. Migration and abundance of dolphins are affected by the presence of food and oceanographic conditions. The purpose of this research is to determine the composition and distribution of dolphins in relation to the water quality parameters. Benefits of this research are expected to provide information on the relationship between distributions of the family Delphinidae cetacean (oceanic dolphins) and oceanographic conditions. The method for this research is descriptive exploratory, with models onboard tracking survey. Field observations were done in November 2015 and period of March-April 2016 outside and inside Savu Sea National Marine Park waters. The sighting of dolphin in November and March-April found as much seven species: bottlenose dolphin, fraser’s dolphin, pantropical spotted dolphin, risso’s dolphin, rough-toothed dolphin, spinner dolphin and stripped dolphin. The highest species distribution noted in the Savu Sea is spinner dolphin, pantropical spotted dolphin, rough-toothed dolphin and frazer’s dolphin. The existence of dolphins in Savu Sea is more related with sea surface temperature than others oceanographic parameters. This condition is suspected due to the influence of sea surface temperature to body temperature of dolphin especially for foraging activities. The habit of dolphin is more active around Sumba Island and Daratan Timor waters while in the evening the animal is usually going to Manggarai and Rote Ndao Islands waters to rest.

KOMPOSISI DAN KELIMPAHAN STOK IKAN KARANG SERTA PERTUMBUHAN BIOTA PENEMPEL PADA TERUMBU KARANG BUATAN DI TELUK SALEH, NUSA TENGGARA BARAT Mujiyanto Mujiyanto; Sri Turni Hartati
Jurnal Penelitian Perikanan Indonesia Vol 17, No 1 (2011): (Maret 2011)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Penelitian ini dilakukan pada bulan Oktober dan Desember 2005 pasca pemasangan terumbu karang buatan pada bulan Mei 2005 di perairan Teluk Saleh, Nusa Tenggara Barat. Tujuan dari penelitian ini adalah untuk mengetahui kelimpahan stok ikan karang dan komposisi jenisnya serta pertumbuhan biota penempel di terumbu karang buatan. Hasil pengamatan menunjukkan bahwa jenis ikan yang teridentifikasi selama pengamatan 121 jenis, dengan jumlah jenis bervariasi menurut waktu dan lokasi antara 18-46 jenis. Kelimpahan stok ikan berkisar antara 4-36 ekor/m2. Pada bulan Oktober 2005 organisme penempel yang ditemukan yaitu teritip dalam jumlah sedang, turf algae dan coralline algae dalam jumlah yang tinggi pada setiap unit terumbu, sedangkan pada bulan Desember 2005 ditemukan jenis-jenis biota penempel pada ke empat unit terumbu karang buatan hampir sama, terdiri atas 12-18 jenis/terumbu karang. Komunitas biota penempel yang merupakan salah satu indikator perkembangan terumbu karang buatan yaitu jenis Enteromorpha clathrata menutupi hampir 95% seluruh luasan permukaan terumbu. The study was conducted in October and December 2005 after the seltlement of artificial reefs in May 2005 in the waters of Teluk Saleh, West Nusa Tenggara. The aim of the study is to investigate abundance of reef fish stocks and species composition and growth of bio fouling. The results showed that the fish species identified during the observation is 121 species, with the number of species varies between 18-46 species according to time and location. Abundance of fish stocks ranged between 4-36 ind./m2. In October 2005 bio fouling organisms found are barnacles in artificial reef relatively moderate, turf algae, and coralline algae in a high amount on each unit of coral, while in December 2005 found the bio fouling organism on with relatively same artificial reef, 12-18 species/unit. Community as an indicator of the development of artificial reefs i.e. Enteromorpha clathrata cover almost 95% of the entire area of the reef surface.

DISTRIBUSI SPASIAL IKAN FAMILI CHAETODONTIDAE DI KEPULAUAN KARIMUNJAWA, JAWA TENGAH Mujiyanto Mujiyanto; Amran Ronny Syam
Jurnal Penelitian Perikanan Indonesia Vol 20, No 4 (2014): (Desember 2014)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Salah satu spesies ikan yang selama ini digunakan sebagai indikator kesehatan terumbu karang adalah famili Chaetodontidae. Namun keberadaan dan kondisi ikan indikator ini belum banyak diketahui di perairan Karimunjawa. Penelitian ini dilakukan dengan tujuan untuk mengamati komposisi jenis dan sebaran ikan dari famili Chaetodontidae di perairan Kepulauan Karimunjawa yang dilaksanakan di 15 stasiun pada April, Juli, Oktober, dan November 2011 serta Juni, September, dan Desember 2012. Pengamatan dilakukan dengan metode sensus visual Line Intercept Transect (LIT) pada 2 selang kedalaman. Pertama kedalaman ± 5-6 meter dan kedua ± 10-11 meter dengan jarak penyelaman sepanjang 75 meter. Pada penelitian ini, ditemukan 21 spesies ikan dari famili Chaetodontidae. Kelimpahan spesies tertinggi ditemukan di Pulau Nyamuk dengan nilai 110 ind/ha pada kedalaman ± 5-6 meter dan 100 ind/ha pada kedalaman ± 10-11 meter. Jumlah spesies ikan indikator tercatat sebanyak 21 spesies, yang tersebar di seluruh perairan, dengan perbedaan kehadiran hanya tejadi pada kedalaman. Dari seluruh spesies terdapat 6 spesies yang memiliki perbedaan kehadiran, dua spesies ikan ditemukan di kedalaman ± 5-6 meter yaitu Chaetodon kleinii dan Chaetodon punctatofasciatus, empat spesies yang tidak ditemukan di kedalaman ± 10-11 meter yaitu Choetodon fasciatus, Chaetodon ephippium, Heniochus varius, dan Sinodus binotatus. Kesamaan spesies ditandai dengan kecenderungan membentuk kelompok yang mengerucut terjadi di perairan Pulau Nyamuk, yang berarti bahwa seluruh spesies yang ditemukan pada seluruh stasiun, terdapat di Pulau Nyamuk.One of the species of fish that had been used as an indicator of the health of coral reefs is the family Chaetodontidae. But the existence and condition of this indicator fish has not been widely known in Karimun waters. This study was conducted to observe the species composition and distribution of fish of the family Chaetodontidae in Karimun Islands waters held at 15 stations in April, July, October, and November 2011 and June, September, and December 2012. Observations were made with the visual census method Line Intercept Transect (LIT) at a depth of 2 hoses. First of ± 5-6 meters depth and the second with a distance of ± 10-11 meters along the 75-meter dive. In this study, found 21 species of fish of the family Chaetodontidae. The highest species richness was found in Nyamuk Island with a value of 110 ind/ ha at a depth of 5-6 meters and ± 100 ind/ha at a depth of ± 10-11 meters. Number of indicator fish species were recorded for 21 species. Spatial distribution of the 21 species, occurs throughout the waters, with the difference only occurs in the presence of depth. Of all species, there are 6 species which have different attendance, two species of fish found in the depths of ± 5-6 meters is Chaetodon kleinii and Chaetodon punctatofasciatus, four species found in depths of ± 10-11 meters is Chaetodon fasciatus, Chaetodon ephippium, Heniochus varius, and Sinodus binotatus. The similarity of species characterized by the tendency to form groups that occur in the conical Nyamuk Island waters, which means that all of the species found in the entire station, located on Nyamuk Island.

PENDEKATAN SOSIAL-EKOLOGI UNTUK PENILAIAN KESESUAIAN LOKASI RESTOCKING LOBSTER PASIR Panulirus homarus (Linnaeus, 1758) PADA BEBERAPA PERAIRAN DI INDONESIA Amula Nurfiarini; Danu Wijaya; Mujiyanto Mujiyanto; Fayakun Satria; Endi Setiadi Kartamiharja
Jurnal Penelitian Perikanan Indonesia Vol 22, No 2 (2016): (Juni 2016)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Stok lobster telah mengalami penurunan di berbagai perairan laut di Indonesia, sehingga memerlukan pemulihan/pengkayaan stok, diantaranya melalui restocking. Pada kenyataannya, kegiatan pemulihan stok melalui restocking yang tanpa diiringi kajian kesesuaian, sering mengalami kegagalan. Untuk itu diperlukan kesiapan lokasi baik secara ekologi maupun sistem sosial masyarakat pemanfaat yang berpengaruh terhadap tingkat keberhasilan program. Tujuan penelitian ini adalah untuk mengetahui lokasi yang sesuai untuk restocking benih lobster pasir di beberapa perairan Indonesia. Penelitian dilakukan di sembilan lokasi mewakili Pesisir Barat Sumatera dan sepanjang pantai Selatan Jawa. Pengumpulan data dilakukan dengan menggunakan metode survei ekologi dan survei sosial. Kriteria pemilihan calon lokasi restocking lobster mencakup 43 aspek meliputi ekologi, perikanan, kelembagaan dan tata peraturan, kemudian di analisis menggunakan pendekatan pemeringkatan. Hasil penilaian lokasi pada aspek ekologi-perikanan menunjukkan bahwa kesesuaian lokasi penebaran memiliki kisaran nilai 159,2 – 236,7 pada skala 100– 300, sedangkan pada aspek kelembagaan-peraturan berada pada kisaran 152,81–295,41 pada skalayang sama. Jika dibandingkan dengan kriteria pengambilan keputusan terhadap tingkat kesesuaian habitat, menunjukkan sebanyak 17 lokasi berada pada kategori kelayakan tinggi, dan 11 lokasi kategori kelayakan sedang. Prioritas lokasi restocking, terpilih tiga lokasi dengan nilai kelayakan tertinggi yakni perairan Batu Karas dan Pananjung Barat (Pangandaran), serta Perairan Karang Asem (Trenggalek).

KEPADATAN DAN STATUS PEMANFAATAN IKAN NAPOLEON (Cheilinus undulatus) DI PERAIRAN SINJAI, SULAWESI SELATAN Amran Ronny Syam; Mujiyanto Mujiyanto; Arif Rahman
Jurnal Penelitian Perikanan Indonesia Vol 20, No 4 (2014): (Desember 2014)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Ikan napoleon (Cheilinus undulatus) adalah jenis ikan karang yang bernilai jual sangat tinggi. Hal ini menyebabkan penangkapan jenis ikan karang yang semakin langka ini menjadi cukup intensif. Saat ini populasi ikan napoleon cenderung menurun dan akan semakin sedikit jika dilakukan penangkapan tanpa batas, meskipun jenis ikan ini telah dilindungi (Appendix II CITES dan KEPMEN No.37/KEPMEN-KP/2013). Penelitian ini dilakukan dengan tujuan untuk menganalisis kepadatan populasi ikan napoleon dan status pemanfaatannya. Untuk menghitung kepadatan ikan digunakan metode sensus visual (UVC). Untuk mengetahui status pemanfaatan dilakukan sebaran frekuensi panjang ikan, yang dilanjutkan dengan penghitungan laju eksploitasi. Hasil analisis menunjukkan bahwa kepadatan ikan napoleon di sekitar perairan Sinjai (Sulawesi Selatan) adalah rendah (1,8 individu/ha). Dari penghitungan laju eksploitasi, diperoleh gambaran bahwa populasi ikan napoleon di perairan sekitar Sinjai - Sulawesi Selatan telah mengalami lebih tangkap. Dari hasil ini disarankan agar perdagangan ikan napoleon masih tetap diperbolehkan dengan syarat mengikuti ketentuan ukuran dan kuota ekspor. Estimasi kuota ekspor ikan napoleon harus berdasarkan data biologi dan dinamika populasi ikan tersebut agar reproduksi alamiah ikan napoleon dapat berlangsung seimbang dengan tingkat eksploitasinya.Napoleon wrasse (Cheilinus undulatus) is a group of reef fish that is high economic value. This led to the capture of reef fish species that is becoming increasingly scarce intensive enough. Currently napoleon fish populations tend to decline and will be less if the arrest was without limit, although this fish species has been protected (Appendix II of CITES and KEPMEN 37/KEPMEN-KP/2013). This study was conducted to analyze the population density of napoleon wrasse and utilization status. The density of fish used snorkeling visual census method (UVC). To find out the status of the utilization used the frequency distribution of fish length followed by counting the exploitation rate. The analysis showed that the density of fish in the surrounding waters napoleon Sinjai (South Sulawesi) was low (1.8 individuals/ha). Of calculating the exploitation rate, indicated that napoleon fish populations in waters around Sinjai-South Sulawesi has been over eksploited. From these results it is suggested that napoleon fish trade is still allowed to follow the terms and provisions of the size of the export quota. Estimated napoleon fish export quotas should be based on the data of biology and population dynamics of the fish so that the fish napoleon natural reproduction can take place by the level of exploitation.

DUGAAN DAERAH PEMIJAHAN IKAN NAPOLEON (Cheilinus undulatus, RUPPELL, 1835) DI SEKITAR PERAIRAN KEPULAUAN ANAMBAS Amran Ronny Syam; Mujiyanto Mujiyanto; Masayu Rahmia Anwar Putri
Jurnal Penelitian Perikanan Indonesia Vol 22, No 3 (2016): (September) 2016
Publisher : Pusat Riset Perikanan, BRSDM KP.

Kelimpahan ikan Napoleon di alam sangat rendah, namun larvanya muncul setiap tahun di sekitar perairan Kepulauan Anambas. Saat ini ikan Napoleon yang berukuran satu kilogram masih banyak ditemukan dari hasil pemeliharaan dalam Keramba Jaring Tancap dan Karamba Jaring Apung. Kajian terhadap keberadaan larva/juvenil ikan Napoleon dan lokasi pemijahan di alam merupakan salah satu indikator dalam upaya mempertahankan keberlanjutan hidup populasi ikan napoleon. Tujuan penelitian ini adalah untuk menduga daerah pemijahan ikan Napoleon di alam berdasarkan ukuran larva/juvenil ikan Napoleon yang tertangkap di alam dan pola arus di sekitar perairan tersebut. Metode yang digunakan adalah Sensus visual (UVC), enumerasi hasil tangkapan benih dan penentuan pola arus laut di sekitar daerah penangkapan benih. Daerah pemijahan ikan Napoleon belum diketahui pasti. Berdasarkan pola arus laut dan keberadaan larva ikan Napoleon yang berukuran 0,5 inci, dapat diduga pemijahan ikan Napoleon di alam berlangsung tidak jauh dari lokasi ditemukannya larva tersebut, yaitu 1. Tanjung Datuk, 2.Pulau Tembuk, 3. Tanjung Ikan, 4.Teluk Nipah, 5.Teluk Pau, dan 6. Tanjung Sing. Populasi ikan Napoleon dewasa di perairan sekitar Kabupaten Anambas tergolong rendah, namun kemunculan benih ikan Napoleon dapat terjadi setiap tahun terutama pada Oktober/Nopember atau Januari dan Februari. The adult of Napoleon wrasse fish abundance in nature is very low, but the larvae can be found almost at year-round in the Anambas waters. Currently, napoleon wrasse of one kilogram weight is still found in the fixed net cage and floating net cage. Study on the larva/juvenile existence and spawning site in nature is one of the keys indicators to maintain the sustainability of fish population. The methods used were the visual census (UVC), enumerating the seed catch and identify the pattern of ocean currents around the seed collection area. Spawning area of Napoleon wrasse fish could not exactly be determined yet. Based on the pattern of ocean currents and the smallest size of fish larvae that were found, the spawning site of Napoleon wrasse fish in the wild was estimated to be in around the occurrence location of Napoleon wrasse larvae, namely 1. Tanjung Datuk, 2. Tembuk Island, 3 Tanjung Ikan, 4. Teluk Nipah, 5.Teluk Pau, and 6.Tanjung Sing. The population of adult Napoleon fish in the waters around Anambas was relatively low, but the emergence of Napoleon wrasse larvae can occurs annually, especially in October- November or January-February.

BIODIVERSITAS IKANKARANG DI PERAIRANTAMANNASIONALKARIMUNJAWA, JEPARA Yayuk Sugianti; Mujiyanto Mujiyanto
BAWAL Widya Riset Perikanan Tangkap Vol 5, No 1 (2013): (April 2013)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Taman Nasional Karimunjawa merupakan salah satu kawasan pelestarian alamdi Kabupaten Jepara, dikelola dengan sistemzonasi yang dapat dimanfaatkan untuk tujuan penelitian, ilmu pengetahuan, pendidikan,menunjang budidaya, pariwisata dan rekreasi. Terumbu karang dan komunitas ikannyamerupakan ekosistemyang kompleks dengan keanekaragaman hayati yang tinggi. Penelitian ini bertujuan untukmengetahui kelimpahan dan biodiversitas ikan karang yang tersebar di zona inti, zona perlindungan dan zona pemanfaatan Taman Nasional Karimunjawa, Jepara. Penelitian dilakukan dengan metode transek 2,5 meter x 2,5 meter. Pencatatan jenis dan penghitungan ikan menggunakan metode sensus visual. Hasil yang diperoleh dari pengamatan ikan karang di zona inti, zona perlindungan dan zona pemanfaatan adalah ditemukannya 10 famili dengan 59 spesies dan 1369 individu ikan karang di ketiga lokasi penelitian, dengan rincian ikan karang di zona inti ditemukan 9 famili, 25 spesies dan 491 individu, di zona perlindungan terdapat 6 famili, 29 spesies dan 370 individu ikan karang dan terakhir di zona pemanfaatan ditemukan 5 famili, 27 spesies dan 508 individu ikan karang. Distribusi jenis ikan karang di zona perlindungan dan zona pemanfaatan lebih tinggi dibandingkan dengan di zona inti. Tingginya jumlah jenis ikan karang di zona perlindungan dan zona pemanfaatan dikarenakan bervariasinya habitat yang terdapat di terumbu karang. Kelimpahan spesies ikan karang tertinggi di tiga lokasi penelitian adalah Pomacentrus alexanderae sebesar 222 ind/m2.Karimunjawa National Parks is one of nature conservation area in the district of Jepara, which is managed by the zoning system can be utilized for the purpose of research, science, education, culture, tourism and recreation. Coral reefs and fish communities is a complex ecosystem with high biodiversity. The aims of this study is to determine abundance and biodiversity of reef fish species are scattered in the core zone, protection zone and utilization zone in Karimunjawa National Parks, Jepara. The research was conducted by transect 2.5 meters x 2.5 meters. Recording types and counting fish used visual census method. The results obtained from observations of reef fishes in the core zone, buffer zone and the zone was the discovery of 10 families with 59 species and 1369 individual reef fish in all three study sites, with details in the core zone of reef fish found 9 families, 25 species and 491 individuals, protection zone there are 6 families, 29 species and 370 individuals and last in the utilization zone reef fish found 5 families, 27 species of reef fish and 508 individuals. The distribution of reef fish species in protection zone and utilization zone higher than in core zone The high number of species of reef fish in the protection zone and utilization zone because of varied habitats found in coral reefs. The high abundance of species of reef fish in three research sites is Pomacentrus alexanderae of 222 ind/m2.

KARAKTERISTIK HABITAT IKAN KERAPU DI KEPULAUAN KARIMUN JAWA, JAWA TENGAH Mujiyanto Mujiyanto; Amran Ronny Syam
BAWAL Widya Riset Perikanan Tangkap Vol 7, No 3 (2015): (Desember 2015)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Perairan Kepulauan Karimunjawa merupakan pemasok ikan kerapu bagi wilayah Pantai Utara Jawa. Permintaan dan harga pasar yang sangat tinggi mendorong nelayan lebih intensif dalammelakukan penangkapan ikan kerapu. Kegiatan penangkapan ikan kerapu selama ini dilakukan pada malam hari dengan alat bantu kompresor dan tembak. Kegiatan tersebut merupakan salah satu usaha untuk mendapatkan jumlah tangkapan yang tinggi tanpa memperhatikan kelestarian habitat dasar perairannya. Penelitian bertujuan untukmengetahui keeratan hubungan ikan kerapu dengan karakteristik habitatnya. Metode yang digunakan adalah deskriptif eksploratif. Penelitian dilaksanakan selama 3 tahun (2011; 2012 dan 2013), waktu sampling masing-masing tahun penelitian berdasarkan musim. Pengamatan visual sensus sepanjang garis transek pada dua kedalaman 5-6 m dan 10-11 m. Hasil penelitian menunjukkan habitat ikan kerapu pada kedalaman ±5-6 meter adalah non karang serta substrat mati lainnya. Selain itu, ikan-ikan kerapu cenderung bergerak ke perairan yang lebih dalam. Karakteristik habitat pada kedalaman ±10-11 meter menunjukkan ikan kerapu lebih menyukai dasar perairan dengan habitat karang keras yang didominasi oleh gundukan karangmassive yang membentuk celah atau lubang lubang. Perilaku ikan kerapu bergerak dan berpasangan di tempat yang agak gelap (rendah visibilitas) dengan intensitas cahaya yang rendah. Perbedaan habitat kehidupan ikan kerapu pada kedalaman 5-6 dan 10-11 meter adalah dominasi karang jenis Pavona sp dengan tingkat visibilitas perairan yang rendah.Karimunjawa Islands is a supplier of grouper fish for the north coast of Java. Grouper fishing activities have been carried out fishing done at night with a compressor and shooting aids. Fishing activity is an effort to get the number of catches were high regardless habitat resources of waters. The research aims to determine the correlation grouper fish with habitat characteristics. Method be used is descriptive exploratory method. The research was done in over three years (2011; 2012 and 2013), each sampling of research based on season time. The observations visual census along on line transect at two depths (± 5-6 and ± 10-11 meters). The results showed that habitat in depth ± 5-6 meters, that grouper fish was found in non-reef habitats and other death substrates, as well as show grouper fish tend to move to deeper waters. Characteristics habitats in a depth of ±10-11 meters prefers bottom waters with hard coral habitats with dominated by massive coral mounds are a lot of gaps or holes. Behavior grouper fish move and paired witha low visibility (low intensity of light). Differences habitats of grouper fish life in depth ± 5-6 and ± 10-11 meters is coral dominated by Pavona sp and low visibility of water level.

Co-Authors . Aprizal Abdul Muis Prasetia, Abdul Muis Abdur Rahman Achmad Reka Ali Masaji Adriani Sri Nastiti Agiska Raka Damara AL-Aziz Agus Arifin Sentosa Agus Arifin Sentosa, Agus Arifin Agus Indarjo Agustina, Cindi Alexander Chandra Ali Junaedi Ambariyanto Ambariyanto Amran Ronny Syam Amran Ronny Syam Amran Ronny Syam Amran Ronny Syam Amran Ronny Syam, Amran Ronny Amula Nurfiarini Andri Wijaya Anita, Mario Arief, Mochamad Candra Wirawan Ariel E San Jose Arif Rahman Arip Rahman Arip Rahman Arip Rahman Arum Sabela Rohmah Avifah Faricha Nisa Budi Utomo Candra, Alexander Charlina Charlina Damayanti, Visaka Danang Try Purnomo Danu Wijaya Dayanti, Noviyana Dwi Delianis Pringgenies Deswati, Sri Ratih Dharmadi Dharmadi Dharmika, Ida Bagus Dhimas Wiharyanto Djunaidi Djunaidi Dwika, Evi Sefriani Effendi, Darwin Endi Setiadi Kartamiharja Erjati Abas Fayakun Satria Gazali Salim Guntur Eko Saputro Hariyadi Hariyadi Haryono, M. Gandri Hasidu, La Ode Abdul Fajar Hendrayana Hendrayana Hendy_Dermawan Ida Ayu Yadnyawati Ilman, Muhamad Inayah Wulandari Dirganingrum Ipah, Ipah Iranda, Rama Joni Haryadi Joni Haryadi Joni Haryadi, Joni Julian Ransangan Kuni Munawaroh Lestari, Sadewi Puji Lestari, Sefia Putri Lie, Nie Lie Lilik Sudarmawan M.Farich Al-Hikam Maharani Mangatur Sinaga Maryono, Ari Masayu Rahmia Anwar Putri Masayu Rahmia Anwar Putri, Masayu Rahmia Anwar Mheda G. Garcia Muhamad Luthfi M N. Nurjanah Nawir, Daud Ngadat, Ngadat Nirva Diana NUR AFRIYANI Nurhasana, Any PENDI, PENDI Putra, Sivananda Hardyana Putra, Tri Rangga Dharma Putranto, Dwiyono R. Arif Budikusuma Rahmad Setyoko Rani, Hara Mitta Ransangan, Julian Restuaji Novian Alamsyah Retno Hartati Riska Risnawati Rahayu Riswanto Riswanto Riswanto Riswanto Rona, Rona Rose Dewi Rozi Rozi Rozi, Rozi RR. Ella Evrita Hestiandari Sahabuddin, Zaenal Abidin San Jose, Ariel E Saras Sharma Sartika, Linda Sasanti R. Suharti Sembiring, Selfia Br Setiawan, Panya Dama Singamurti, Mirrah Megha Siswoyo, Eko Siti Robiah Adawiyah Sitti Hartinah DS Sri Turni Hartati Sudarto Sudarto Sugiyanto - Sugiyanto Sugiyanto Suharno Suharno Suherman, Suherman Sujiono Sujiono, Sujiono Sukisno Sukisno, Sukisno Sukrawati, Ni Made Supartono - Surya, Julia Suryanti Suryati Suryati Sutikyanto, Sutikyanto uci, susilawati utami, melati Wahyu Hidayat Walyono, Walyono Wanto, Wanto Wildan Ghiffary Wulanndari, Eka Yadnyawati, Ida Ayu Yanti Yanti Yatno, Tri Yayuk Sugianti Yayuk Sugianti Zahidah Zahidah, Zahidah

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