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Alex Denny Kambey
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Fakultas Perikanan dan Ilmu Kelautan Universitas Sam Ratulangi Manado Indonesia 95115
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JURNAL PERIKANAN DAN KELAUTAN TROPIS
Published by Universitas Sam Ratulangi
ISSN : 2302609X     EISSN : 23026081     DOI : https://doi.org/10.35800/jpkt
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management
Jurnal Perikanan dan Kelautan Tropis merupakan terbitan berkala ilmiah yang bertujuan menjadi sarana penyebarluasan hasil penelitian dan ilmu pengetahuan dalam bidang Perikanan dan Kelautan di daerah Tropis. Hasil penelitian akan diutamakan untuk diterbitkan. Namun demikian, redaksi juga menerima ulasan ilmiah berupa tinjauan teori, ulasan buku baru, komunikasi singkat dan karya ilmiah lainnya. Artikel bisa ditulis dalam bahasa Indonesia atau Inggris.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ecology, Evolution, Behavior and Systematics
Articles 14 Documents
 1   2 
Search results for , issue "Vol 6, No 1 (2010)" : 14 Documents clear
POTENSI JENIS-JENIS IKAN AIR TAWAR KONSUMSI MASYARAKAT ALIRAN SUNGAI DIGOEL, KABUPATEN BOVEN DIGOEL, PAPUA, DAN BEBERAPA LANGKAH PENGELOLAANNYA Rarung, Lexy K; Pratasik, Silvester B
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.571 KB) | DOI: 10.35800/jpkt.6.1.2010.116

Abstract

This study aimed at providing information on freshwater fish living in Digoel River, Boven Digoel Regency, Papua, edible for local people and some management options. Data were collected from observing the fishing activities and Tanah Merah  market, and through personal interviews as well. Results showed that there were about 23 species of native and introduced fish living in the Digoel River. Native fish population is decreasing as a result of forest clear cut, pollution, irrational fishing and predation. Therefore, management actions should be taken.
STUDI POTENSI SUMBERDAYA ALAM DI KAWASAN PESISIR KABUPATEN MINAHASA SELATAN Durand, Swenekhe Sandra
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (134.503 KB) | DOI: 10.35800/jpkt.6.1.2010.107

Abstract

Fisheries and marine sectors have to be the main program of North Sulawesi economic development. Since the fisheries potency is large enough and the development is good in fishing, aquaculture and fish processing, the regional government has established the fisheries sub-sector as one of the development supporting factors. The study was carried out from February to July 2008 in South Minahasa Regency. Data collection was done through structured and unstructured interviews, field observations and documentations. The study used a qualitative descriptive analytical method in spite of quantitative data collections. South Minahasa is one of the regencies in North Sulawesi with the capital of Amurang, possesses an area of 1,591.65 Km2 (population of 201,293), consists of 17 districts, 154 villages, 815 small government units. Seven districts are in the coastal areas (Tenga,Sinonsayang,East Amurang, Amurang, West Amurang, Tumpaan and Tatapaan). The coastal natural recources of this regency are mangrove ecosystem, coral reef, and sea grasses. These ecosystems have an ecological integration that will affect future fisheries recources productivity. Fisherman of South Minahasa Regency are distributed in 17 districts. The potency of coastal fisheries recources and its development in South  Minahasa Regency possesses 933 Ha of mangrove ecosystems, 1,349.6 Ha of coral reefs, and 1300 Ha of seagrass beds at Rap-Rap Wawontulap. Fishery society in Regency of Minahasa South arch gone the round in 17 districts. Sum up the fishery domestic a lot of there are in districts Amurang with the amount 563 RTP. In general fishery Society in Regency of Minahasa South arch conduct four fishery activity that is aquaculture, arrest, merchant and fish processor. Full scale aquaculture is 1.435 soul, sum up this gone the round in seven districts compassion, 236 soul in New districts Tompaso. To the effort fish arrest in the sea, do not all districts own the activity of fish arrest there's only seven districts (Tataapan, Tumpaan, Amurang East, Amurang, Amurang West, Tenga And Sinonsayang) full scalely is Fisherman catching fish in the sea 6.446 soul and which is a lot of there are in districts Tumpaan. For the fisherman of catching fish in public territorial water is only gone the round in five districts (Motoling West, Ranoyapo, New Tompaso, Maesaan And Modoinding), full scalely 59 soul and which is a lot of there are in fewest districts Modoinding there are in districts of Motoling West.
KOMUNITAS VEGETASI HUTAN MANGROVE DI DESA WORI KABUPATEN MINAHASA Rangan, Jety K
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.226 KB) | DOI: 10.35800/jpkt.6.1.2010.119

Abstract

Hutan mangrove merupakan ekosistem khas pesisir yang dipengaruhi oleh pasang surut. Vegetasi mangrove ini merupakan salah satu potensi sumberdaya alam yang produktif. Penggunaan areal mangrove untuk berbagai kepentingan seperti lahan pertanian, pertambakan udang dan ikan, pengusahaan hutan dan pemukiman terjadi hampir di seluruh Indonesia, seringkali pemanfaatannya tidak terkontrol dan peranan hutan mangrove dalam rangkaian system ekologisnya diabaikan. Adapun tujuan penelitian ini untuk menggambarkan komunitas hutan mangrove dengan melihat komposisi spesies, kerapatan, dan keanekaragaman spesies. Dalam pengambilan sampel menggunakan metode transek . Dari kegiatan penelitian ini diperoleh empat spesies mangrove yang tersebar di tiga stasiun pengamatan masing-masing Avicennia marina, Bruguiera gymnorrhyza, Rhizophora stylosa dan Sonneratia alba.
OSMOREGULASI PADA HEWAN AKUATIK Lantu, Sartje
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (417.021 KB) | DOI: 10.35800/jpkt.6.1.2010.117

Abstract

All aquatic organisms must deal with the problem of maintaining internal homeostasis, a constant internal chemical environment in which that organism's enzymes can operate efficiently.  As we saw earlier, this is largely a matter of osmoregulation, but other factors are involved also.  Many marine organisms can get by with minimal osmoregulation since the oceans, where the enzymes evolved, are already a good environment; other marine organisms maintain their body fluids at ionic concentrations different from the surrounding ocean and must actively regulate ions.  Freshwater also calls for active measures to maintain proper osmotic balance.
STUDI FITOPLANKTON DI DANAU TONDANO PROVINSI SULAWESI UTARA Manu, Gaspar; Baroleh, Martinus; Kambey, Alex D
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (167.156 KB) | DOI: 10.35800/jpkt.6.1.2010.108

Abstract

This research was conducted in Tondano Lake North Sulawesi for 3 month from June to August 2007.  The research was aimed to identify species abundance of phytoplankton.  Phytoplankton were collected by using a 40 μm  large plankton net.  Results showed that phytoplankton consisted of 32 genera.   It also indicated that the highest individual abundance was shown by Fragillaria (2903 individuals),  followed by Microspora (2349 individuals), Closterium ( 984 individuals), Zynema (803 individuals), Melosira (770 individuals), and Anabaena (693 individuals) respectively with monthly sampling the highest abundance was on August (4227 individuals), followed by June (3516 individuals), and July (3493 individuals).
QUANTITATIVE DATA ABOUT CORAL RECRUITMENT FROM BUNAKEN ISLAND, MANADO INDONESIA Singkoh, Marina FO
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (109.663 KB) | DOI: 10.35800/jpkt.6.1.2010.120

Abstract

Tujuan penelitian ini adalah untuk menentukan kepadatan pf rekrutmen karang di berbagai lokasi di Pulau Bunaken dan analis interaksi pada rekrutmen karang didasarkan pada kuantitas, kedalaman dan situs.  Penelitian dilakukan di kedalaman 3 dan 10 meter dan tiga direplikasi di setiap kedalaman.  Kami menggunakan metode sabuk tansect.  Jalur ini 50m dan lebar 1m kanan dan 1m.  Jadi daerah penelitian adalah 2x50 = 100m2.  Ketika dilakukan penelitian kita berenang zigzag dan menghitung setiap perekrutan karang yang temukan.  Kami ukur setiap merekrut karang yang temukan di analisa dan dicatat setiap pengukuran pada papan tulis bawah air.  Ukuran karang adalah <5cm.  Dari penelitian yang dilakukan, jumlah rekrutmen karang yang ditemukan adalah 96 koloni.  Koloni ini ditemukan di tiga lokasi yaitu Liang sebagai situs I (27 koloni), Tawara sebagai situs II (30 koloni) dan Zona Inti sebagai Situs III (39 koloni).  Kepadatan tertinggi di zona inti pada kedalaman 3 meter.  Sebagai kesimpulan, rekrutmen karang dapat berkembang dengan baik di kedalaman 3m atau kurang dari 3m, juga di wilayah yang kurang atau tidak ada aktivitas manusia. bagaimanapun, faktor-faktor lain seperti fisik, kimia dan faktor biologis juga memainkan peranan penting dalam perkembangan karang.
PEMELIHARAAN POST LARVA (PL4-PL9) UDANG VANNAMEI (Penaeus vannamei) DI HATCHERY PT. BANGGAI SENTRAL SHRIMP PROVINSI SULAWESI TENGAH Kalesaran, Ockstan J
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (107.22 KB) | DOI: 10.35800/jpkt.6.1.2010.121

Abstract

White shrimp culture have been developed in some part of brackish water pond area in Indonesia, either in extensive, semi intensive or intensive technology and it resulted increasing on Indonesian shrimp culture production.  At post larval stages, the pleopods become fully developed and functional. The animals grow very fast in terms of size and are able to swim freely although early post larvae are still planktonic. This research was done to know post larval rearing in Hatchery of PT. Banggai Sentral Shrimp. Preparation of basic facilities such as larval rearing tanks, water supply and aeration system is one of the most important activities in hatchery operation.  Good water quality should be strictly maintained especially during this phase of larva rearing.
IDENTIFIKASI Vibrio sp PADA GONAD IKAN CAKALANG (Katsuwonus pelamis L) Mewengkang, Hanny W
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (106.435 KB) | DOI: 10.35800/jpkt.6.1.2010.109

Abstract

This research was conducted to identify the presence of Vibrio sp. at the gonads of fresh and smoked skipjack tuna.  The method used in this research is descriptive method with the parameters examined, ie total bacteria, total Vibrio, morphology and biochemical tests.  Results showed that the total value of Vibrio in fresh skipjack tuna gonad highest TVC 1.1x105/g and the lowest is 2.0x103 TVC/gr.  While the smoke skipjack tuna gonad bacterial growth does not occur.  The identification results found 43 strains of Vibrio sp., (7 strains), Vibrio fluvialis (2 strains), Vibrio cincinnatiensis (4 strains), Vibrio damsela (2 strains), Vibrio metschnikovii (1 strain) and 27 other strains was not identified.
MEMAKSIMALKAN POTENSI DORMANSI PADA ROTIFER Brachionus rotundiformius MELALUI MATING EKSPERIMEN Warouw, Veibe
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (128.044 KB) | DOI: 10.35800/jpkt.6.1.2010.114

Abstract

The rotifer Brachionus sp is widely used in aquaculture as a live prey, but problem remain with less utilization.  It is often difficult to synchronize rotifer production with larvae demand.  Rotifer also produce resting egg with sexual reproduction, this resting egg is thick-walled encysted stages which can remain dorman for extended period.  Used resting egg as a stock can be solved the problem.  With mating eksperiment we found resting egg produced by female rotifer that have not produce egg before.  Suggestion proportion of male and female to produce resting egg is 4 male : 10 female.
PENGARUH JENIS UMPAN TERHADAP HASIL TANGKAPAN IKAN PANCING LAYANG-LAYANG DI SELAT BANGKA KABUPATEN MINAHASA UTARA Takapaha, Stevenly A; Kumajas, Henry J; Katiandagho, Elof M
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 6, No 1 (2010)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1183.002 KB) | DOI: 10.35800/jpkt.6.1.2010.113

Abstract

Hound needlefish (Cendro or Sako) (Tylosurus sp.) including the types of fish are hard to catch because the surface movements and jumps very agile, is an effective fishing gear to catch this fish is to use a kite fishing. This study aimed to see whether there is the influence of several kinds of bait such as: blue sprat (Spratelloides robustus), sardines (Amblygaster sirm), fish cutlet mackerel scad (Decapterus macarellus), and anchovy (Stolephorus indicus) of the catch. The method used is descriptive.  Data was collected by use four units of fishing kites gear with four types of bait treatment.  Based on the analysis we found that the type of bait blue sprat better than mackerel scad and anchovy bait but not significantly different from the bait sardines, which are types of fish caught is Strongylura indicus (4%), Tylosurus Crocodiles (90%) and Tylosurus acus melanotus (6%).

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