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INDONESIA
Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan
Published by Universitas Lampung
ISSN : 2301816X     EISSN : 25797638     DOI : -
Core Subject : Education,
Other
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 6, No 1 (2017)" : 7 Documents clear
PROTECTED, PROHIBITED, AND INVASIVE FISH DIVERSITY AND DISTRIBUTION IN RANAU LAKE OF WEST LAMPUNG DISTRICT Sumino Sumino; Herman Mude; Santi Saluri Alam; Dini Dini
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

The objectives of this research were to collect fish species in Ranau Lake of West Lampung District, analyze the fish community structure, determine the types of fish that are protected, prohibited, or invasive and mapping its distribution. Sampling was done on three locations: Station 1 (Suka Banjar), Station 2 (Kagungan), and Station 3 (Lombok). The data were analyzed by the structure of the community: diversity (H'), uniformity (E) and dominance index (C). The result of the identification indicate that there are 26 species of fish and total number of fish is 184. The results of the analysis of fish community structure in Ranau Lake have medium diversity, medium distribution and moderate community stability (H’=1.43), medium uniformity and volatile communities (E = 0.41),  low dominance and no dominant fish species (C = 0.32). From the 26 fish species in Ranau Lake, there are no protected and prohibited fish species, there are two types of fish categories as invasive alien species: nile tilapia (Oreochromis niloticus) and suckermouth catfish (Hypostomus plecostomus).
MUD LOBSTER Thalassina (Latreille, 1806) (Decapoda: Thalassinidae) IN TANJUNG TIRAM DISTRICT SOUTH KONAWE REGENCY, SOUTHEAST SULAWESI Muhammad Fajar Purnama; La Ode Alirman Afu
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

This research aims to identify mudlobster species in Tanjung Tiram District, Southeast Sulawesi. Based on the identification, all specimens caught was belong to the species of Thalassina anomala (Herbst, 1804). Morphological characteristics of T. anomala distinguishing from other types Thalassina:           1) Rostrum triangular shape, rounded and serrated along its lateral border; 2) Dorsomedian tubercless on carapace extending up to the dorsal part of the first abdominal somite; 3) Abdominal sternite 2-5 on pleopod to have a tubercless in the middle (median line), 4) Pereopod 1have 13-20 tubercless on the inner side of the propodal and along the lateral side of the propodus, and 5) On males, petasma without proximal spine and rounded tip wide without setae.The finding of T. anomalain mangrove forest (intertidal zone) of Tanjung Tiram was basically cause by the distribution of this species in the world wide is widely distributed than other species from the genus of thalassina.
GROWTH OF GOSTFISH, Upeneus sulphureus IN KENDARI BAY, SOUTHEAST SULAWESI Asriyana Asriyana; Nur Irawati
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Research on growth and condition factor of goatfish were carried out from May 2015 to November 2015 in Kendari Bay, Southeast Sulawesi. The purpose of this researchwas to analyze growth and condition factor of goatfish in Kendari Bay, Southeast Sulawesi. Fish samples were collected using bottom experimental gillnets and trammel nets with different mesh sizes ¾, 1, 1¼, and 1½ inch.Growth parameters were analyzed following von Bertalanffy formula using ELEFAN I software of package program of FiSAT II. A total of 386 individual fish was caught with ranged from 46–176 mm in the total length and 3,1 – 67,1g in weight. The length-weight relationship of goatfish is Lt= 184,42 {1E–1;5(t006)}
WATER QUALITY STATUS AT INTEGRITY AREA OF BUNGUS OCEAN FISHING PORT BASED ON WATER CLASSIFICATION Herdiana Mutmainah; Ilham Adnan
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Ocean Fishing Port Bungus Complex is an integrated area in ocean fishing port that bordered by the sea (Mentawai Strait), traversed by a small river and surrounding by paddy fields. There are several facilities in PPS Bungus Complex such as fishing port, waters surveillance, research, fishery processing industry, settlement and others. Various activities that exist certainly have an impact to the existing waters. The purpose of this research is to know the status of water quality based on water classification. The result of analysis based on Government Regulation No.82 Year 2001 which conducted on water classifiction at estuary and outlet shows that the condition of waters is including to the Class IV for agriculture and industry, while around wharf, waters including to the Class III, for fishery. The water index classifiction based on Living Environment Minister Decree No.115 Year 2003 shows that estuary, outlets and wharf are not polluted. Result of analysis to waters for Class IV showed index 0,780 at estuary and 0,712 at outlet, while at wharf showed index 0,794 or Class III. Some parameters such as turbidity, BOD and Cd in estuary and outlet slightly exceeded the quality standard but are still within tolerable limits (Living Environment Minister Decree No.51 Year 2004). Based on the Living Environment Minister Regulation No.3 Year 2010 on quality standard of waste water in industrial area, in this case the outlet, shows that parameter of COD, pH, TSS, Selenium and Copper are appropriate to quality standard.
INDICATION OF SEA WATER INTRUSION AS ONE OF THE IMPACT OF SEA LEVEL RISE (CASE STUDY OF TUBAN REGENCY) Joesidawati, Marita Ika
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Dampak kenaikan permukaan air laut (sea level rise/SLR)  di pesisir Kabupaten Tuban diprediksi terbagi menjadi 3 kelompok yaitu kemunduran garis pantai, penggenangan, dan intrusi air laut.   Untuk mengetahui gejala intrusi air laut yang terjadi di pesisir Kabupaten Tuban ini diperlukan  pemetaan sebaran air tanah asin hingga payau. Penelitian dilakukan dengan mengambil air sampel pada 100 titik di  beberapa sumur gali maupun sumur bor yang tersebar pada akuifer dangkal dan dalam di 5 Kecamatan yang ada di kabupaten Tuban yang meliputi kecamatan Bancar, Tambakboyo, Jenu, Tuban dan Palang dengan jarak 200 -300 m dari garis pantai. Selanjutnya  air sampel yang diambil dilakukan pengukuran Daya Hantar Listrik (DHL). Hasil nilai pengukuran DHL kemudian di bentuk peta sebaran nilai DHL untuk mengetahui klasifikasi tingkat keasinan air tanah yang ada di daerah pesisir Kabupaten Tuban. Selanjutnya sampel dianalisa di laboratorium untuk mengetahui kandungan ion Carbonat (CO3), Bicarbonat (HCO3), Khlorida (Cl).  Indikasi adanya penyusupan air laut ditentukan berdasarkan nilai perbandingan kadar ion Khlorida (Cl) terhadap jumlah ion karbonat (HCO3-1 + CO3-2). Peta sebaran nilai DHL di Kabupaten Tuban antara 900-1500 (sifat air: air tawar) yaitu Kecamatan Bancar, Jenu, Tuban, sedangkan <1500 – 1800 (sifat air: air agak payau) yaitu Jenu, Tambakboyo, Bancar. Tingakt intrusi yang terjadi kategori sedikit dan sedang yaitu hamper di 4 kecamatan pantai (Bancar, Tambakboyo, Jenu, Palang) sedang kecamatan Tuban masih air tawar. Nilai DHL lebih dari 1500 µS/cm terdapat  di empat kecamatan (Bancar, Tambakboyo, sebagian Jenu, dan palang). Wilayah tersebut memiliki jarak dengan laut cukup dekat, namun pada beberapa tempat dilokasi tersebut juga masih ditemukan kondisi air yang tidak asin. Daerah sebaran air tanah agak payau menempati akuifer berupa lempung pasiran yang merupakan endapan alluvial dengan permeabilitas umumnya rendah dan topografi permukaan tanah datar hingga landai, sehingga sangat rentan terhadap intrusi air laut. Air tanah agak payau didominasi oleh akuifer berupa pasir gampingan hingga lempung gampingan, namun sebagian juga masih masuk ke dalam sistem akuifer endapan alluvial. Selain perbedaan sistem batuan penyusun akuifer jarak antara sumur dengan air laut juga menjadi salah satu faktor penyebab perbedaan tingkat keasinan air tanah.
THE EFFECT OF HEAT SHOCK DIFFERENCES TOWARD HATCHING RATE ON METHOD OF MEIOSIS GYNOGENESIS IN CARP (Cyprinus carpio) Suprapti, Yuyun
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Carp is a freshwater fish, body shape is long and somewhat rounded with a small head, the high back and across large scaly body. The development of aquaculture carp (Cyprinus carpio) is progressing very rapidly with cultivation system are manifold. Pisciculture technology will not form without yielding seeds followed by genetic improvement effort. To improve the quality of the parent, the parent needs to be purified race carp (Cyprinus carpio) that exist so that the resulting pure strain. The success of seed carp, especially at this stage of the enlargement is determined by the quality of the seed. Breeding programs developed at this time is the method gynogenesis. Ginogenesis method is the process of female gamete without interference from male gamete gene. The experimental design used in this study is completely randomized design (CRD) is equipped with 3 treatments and 3 replications. Analysis using analysis of variance, with the distribution table F or F test that compares the value of F arithmetic with F table. Based on the analysis of research data on the influence of the length of time a different heat shock against the hatchability of eggs carp (Cyprinus carpio) method gynogenesis meiosis, based on the results of research, treatment A showed optimal results with an average 17.33, treatment B showed 12. 33 and C treatment showed 7.00. Based on calculations obtained ANOVA calculated F value (47.29)> F 1% (18.00) but larger than F 5% (6.49) then H1 is rejected at the level of a = 1% and H0 highly significant conclusions (hight significant).
EFFECT OF ADDITION OF NPK FERTILIZER WITH DIFFERENT CONCENTRATIONS ON METHANE GAS PRODUCTION IN SEAWEED TYPES OF Caulerpa racemosa AND Halimeda macroloba FERMENTED ANAEROBICALLY Sukma, Raka Nur
AQUASAINS Vol 6, No 1 (2017)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

            Negara Indonesia memiliki potensi sumberdaya kelautan dan pesisir yang kaya, salah-satu diantaranya  adalah rumput laut. Rumput laut di Indonesia masih sebatas dimanfaatkan sebagai sumber makanan dan obat-obatan. Jepang telah memanfaatkan Ulva dan Laminaria sebagai biogas (Matsui et al., 2006), pemanfaatan rumput laut tersebut menunjukkan bahwa rumput laut memiliki potensi sebagai bahan baku biogas. Tujuan dari penelitian ini adalah untuk mengetahui kandungan gas metan yang terkandung pada rumput laut jenis Caulerpa racemosa dan Halimeda macroloba yang di fermentasi secara anaerob. Metode penelitian ini yaitu dengan mencampur rumput laut Caulerpa racemosa dan Halimeda macroloba yang telah dihaluskan dan dilakukan  pencampuran dengan sedimen pantai yang difermentasi anaerob selama 30 hari. Hasilnya yaitu pada Caulerpa racemosa menghasilkan gas metana sebesar 5.13%, dan Halimeda macroloba menghasilkan gas metana sebesar 4.25%. Pupuk NPK digunakan untuk meningkatkan kadar gas metana yang dihasilkan dalam fermentasi anaerob. Konsentrasi pupuk NPK yaitu 2,5 g, 5 g, dan 7,5 g. Hasil dalam penambahan pupuk NPK yaitu kadar gas metana Caulerpa racemosa meningkat 4,45% (persentase peningkatan 64,16%) dan Halimeda macroloba  meningkat sebesar 4,92% (persentase peningkatan 69,18%).

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