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Journal of Marine and Aquatic Sciences

jmas
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Published by Universitas Udayana

ISSN : 23028114 EISSN : 25497103 DOI : -

Core Subject : Science,

Earth & Planetary Sciences

Journal of Marine and Aquatic Sciences (JMAS) adalah peer-reviewed, open access journal, diterbitkan oleh fakultas Kelautan dan Perikanan, Universitas Udayana. JMAS menerbitkan hasil peneitian original dan review artikel dalam bidang ilmu kelautan, manajemen sumberdaya perairan, dan aplikasi remote sensing di bidang kelautan dan perikanan.

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Articles 13 Documents

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Search results for , issue "Vol 3 No 1 (2017)" : 13 Documents clear

Kajian Kesesuaian Wisata Selam dan Snorkeling di Perairan Tulamben, Karangasem, Bali Nur Asni Puspita Sari; I Dewa Nyoman Nurweda Putra; I Gusti Ngurah Putra Dirgayusa
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Tulamben village located in the district of Kubu, Karangasem regency, has developed into one of the maritime destination, especially diving and snorkeling. Based on data from the Department of Culture and Tourism of Bali, the average number of tourists coming to Tulamben in 2012-2014 reached 94,253 tourists. This condition makes the tourism has grown into a major economic support local communities in the Tulamben. Economic growth without being accompanied by an appropriate management plan will certainly produce a negative impact on coastal and marine resources to be a major asset for the growth. Various forms of management that allows to be applied has been identified in an effort to support the sustainability of the ecological, economic and socio-cultural community. This study was conducted to analyze the suitability of diving and snorkeling, coral identification were examined using LIT (Line Intercept Transect) methods while the abundance of reef fish species assessed using visual underwater cencus (UVC). Analysis of the data used is the analysis of the potential reef and suitability. Determination of the suitability of the area as a tourist diving and snorkeling analysis using matrix parameters to consider the appropriateness of the ecological conditions and water quality conditions of the four classifications. Cover of live coral communities ranged between 16.26% -52.48% with a diversity of reef fish species ranged between 11-44 types. Travel suitability index (IKW) category snorkeling and diving are included in the category is not appropriate (N) and the corresponding (S2).

Struktutr Komunitas Ikan dan Tutupan Karang di Area Biorock Desa Pemuteran, Buleleng, Bali Febriyanto Arifin; I Gusti Ngurah Putra Dirgayusa; Elok Faiqoh
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Biorock is new method of coral reef rehabilitation. Today, the structure Biorock been made in various shapes and sizes. Therefore, assessment of reef fish communities and coral cover on the artificial reef Biorock of different sizes are needed as a as the basic information and the utilization of the results of the conservation area. From this research, it is known that the six Biorock structure obtained reef fish composition consisting of 18 Family and 45 fish species and abundance of total 2065 individuals. In accordance with the classification of diversity index Shannon - wiener all sizes Biorock the research object falls into the range of values diversity moderately 1.57 - 2.95. The results of the uniformity index show that in every size Biorock has equal distribution of species. From the results of the dominance of index calculation (C) is included in the low category. Where in any size Biorock not happen domination by a single species. In all sizes Biorock have value mengindikasinkan that coral is in good shape. The highest coral cover in sequence contained in the structure of Small-sized Biorock 1, 1 medium, 2 Large, 2 Small, 2 Medium, and 1 Large. From analysis using Bray-Curtis similarity index gained 2 groups Biorock structures that have similar types of fish encountered. The first group is the first Large-sized Biorock structure, Large 2, and the medium 1. The second group is the structure of Small-sized Biorock 1, 2 medium and 2 Small.

Struktur Komunitas Zooplankton di Bendungan Telaga Tunjung, Kabupaten Tabanan-Bali Ni Wayan Desy Wahyudiati; I Wayan Arthana; Gde Raka Angga Kartika
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Zooplankton are the heterotroph aquatic organisms and has a week swimming. Zooplankton acts as the first consumer in the waters, which utilize phytoplankton as their food. This research located in Telaga Tunjung reservoir, Timpag Village, Kerambitan Subdistrict, Tabanan Regency. The reservoir is used for industry, irrigation and tourism development. The aim of the research was to determine the community structure of zooplankton in Telaga Tunjung reservoir. This research was conducted from January to February 2016. Water sampling was conducted twice with a sampling interval of 2 weeks in 4 stations. There was a total of 23 species of zooplankton found, consisting of 6 classes: Eurotatoria (8 genera), Ciliatea (1 genera), Branchiopoda (4 genera), Monogononta (1 genera), Tubulinea (1 genera) and Maxillopoda (3 genera). The most common species of zooplankton found in the sampling station were Polyarthra vulgaris (3.04 ind/l), Anuraeopsis coelata (1.28 ind/l), Keratella valga (0.43 ind/l), Vorticella sp. (0.49 ind/l), Diaphanosoma brachyurum (0.28 ind/l), Nauplius sp. (0.16 ind/l) and Megacyclops viridis (1.16 ind/l). The average abundance of zooplankton was 9.38 ind/l. Based on the abundance of zooplankton, the trophic status of Telaga Tunjung reservoir is mesotrophic.

Peranan Padang Lamun Selatan Bali Sebagai Pendukung Kelimpahan Ikan di Perairan Bali Elok Faiqoh; Dwi Budi Wiyanto; I Gede Budi Astrawan
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Seagrass ecosystem is providing feeding ground, nursery ground, spawning ground , habitat and shelter area. The threat of physical destruction such as the reclamation, pollution, sedimentation and tourism activities decreasing the diversity and the abundance of fishery commodities. The purpose of this study was to describe the condition of seagrass, determine the composition and abundance of seagrass fish in the three Southern coast of Bali and assess the association of fish-sea grass. Samples were taken from three coastal areas, Samuh, Shindu and Serangan coastal area. The results are in Samuhthere are 6 types of seagrass, in Shindu there are 7 types and in Serangan there are three types, whichdominates with Cymodocea rotundata and Syringodium isoetifolium. From the three coastal areas,we found 21 families of fish, where the family Pomacentridaehas the highest species abundance in Samuh, Apogon sp in Serangan and Terapon sp. found in Shindu. We can see the interaction between the seagrass ecosystems of coral reefs in the waters of South Bali and ecological role of seagrass from the family and species of fish.

Aplikasi Sistem Informasi Geografis (SIG) dan Penginderaan Jauh untuk Pemetaan Daerah Penangkapan Ikan Tuna Mata Besar di Selatan Jawa dan Bali Kadek Bagus Padmaningrat; I Wayan Gede Astawa Karang; Abd. Rahman As-syakur
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Bigeye tuna is the dominant species of tuna caught in the territorial waters of the Indian Ocean and a productive tropical species which accounts for more than 10% of the total catch in the whole world. Distribution of bigeye tuna can be predicted through optimum temperature associated with the presence of bigeye tuna and distribution of chlorophyll-a is associated with the presence of small pelagic fish. The distribution of sea surface temperature and chlorophyll-a can be detected through remote sensing systems. The purpose of this study was to determine the relationship between sea surface temperature and chlorophyll-a by the number of bigeye tuna catches in the waters south of Java and Bali, and mapped the area catching bigeye tuna in the waters south of Java and Bali. The method used is a second order polynomial regression analysis to determine the effect of sea surface temperature and chlorophyll-a by the number of bigeye tuna catches as well as correlation analysis to determine the relationship of sea surface temperature and chlorophyll-a by the number of bigeye tuna catches. Sea surface temperature and chlorophyll-a is related to the number of bigeye tuna catches. The results of the analysis showed a strong relationship between sea surface temperature and chlorophyll-a by the number of bigeye tuna catches. Bigeye tuna fishing grounds in the waters south of Java and Bali are in a position 12oS-15oS and 106°E-118°E.

Pengelompokkan Foraminifera Bentik Di Perairan Teluk Balikpapan Berdasarkan Komposisi Pembentuk Cangkang Mastuti Widianingsih
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Balikpapan Bay is one of the bays in Indonesia. One of the organisms in these waters are benthic foraminifera. The objective of this research was to determine the type of benthic foraminifera based composition forming the shells in Balikpapan Bay, East Kalimantan. The sediment samples were taken at a depth of 0-20 meters, then do picking, collection, as well as the identification of the type and composition shells forming of the benthic foraminifera. The results showed the benthic foraminifera Balikpapan Bay waters with sediment samples at a depth of 0-20 meters consists of benthic foraminifera shell of sandy, benthic foraminifera shell of porcelain, and benthic foraminifera shell of hyalin.

Struktur Komunitas Perifiton Pada Lamun Jenis Thalassia hemprichii dan Cymodocea rotundatta di Kawasan Pantai Sanur Putu Satya Pratama; Dwi Budi Wiyanto; Elok Faiqoh
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Seagrass has function as nursery ground, spawning ground, feeding ground and habitat for many coastal organism (benthic, fish and epiphytes). Tourism activities in Sanur beach, the habitat of seagrass, could change the water condition, it indirectly influencing the existences of seagrass plants and periphyton in Sanur beach. The aim of this study are to analyze community structure of periphyton on seagrass leaves (Thalassia hemprichii and Cymodocea rotundatta) and its relationship with water parameters in four stations at Sanur beach area that has the unique characteristics. Water parameters measured were temperature, salinity, DO (Dissolved oxyen), pH, nitrate, phosphate, and TSS (Total Suspended Solid). Data analysis using PCA (Principal Component Analysis) to see the parameters that most influence on the abundance of periphyton. The results showed diversity index (H’) of periphyton is moderate, eveness index (E) moderate to high, and dominance index (C) is low to medium. It concluded that conditions of Sanur waters is stable but it is easily changed due to anthropogenic influences. PCA analysis showed that the parameters of the water have different effects on the abundance of periphyton at each seagrass leaves. Periphyton on Thalassia hemprichii was influenced by TSS, while Cymodocea rotundatta was influenced by phosphate, nitrate, temperature, DO, and TSS.

Hubungan Hasil Tangkapan Ikan Tuna Selama Februari-Maret 2016 dengan Konsentrasi Klorofil-a dan SPL dari Data Penginderaan Jauh Di Perairan Selatan Jawa – Bali I Made Ekayana; I Wayan Gede Astawa Karang; Abd. Rahman As-syakur; Irwan Jatmiko; Dian Novianto
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Indonesia waters are fertile waters marked by the existence of Regional Fisheries Management (WPP), one of them is WPP 573 in Southern Java. One of the biggest fish catch sectors in Indonesia is tuna fisheries. Distribution of tuna in Indonesia waters affected by Sea Surface Temperature (SST) and chlorophyll-a. The aims of this study is to analyze the distribution of chlorophyll-a and SST in the water of South Java - Bali using AQUA MODIS satellite through data in-situ, to know the accuracy of SST Ground Truth and SST imagery satellite and to find the relationship between chlorophyll-a and SST with catches tuna in the water of South Java - Bali. SST data and chlorophyll-a were obtained through remote sensing technology and the catches of tuna was obtained by in-situ. The methods used were polynomial regression analysis, regression linear analysis and correlation analysis to determine the relationship of these parameters, found strong correlation between SST Ground Truth and SST imagery satellite R= 0,61. The distribution of oceanographic parameters (SST and chlorophyll-a) in the water of South Java - Bali seemed volatile and these condition also seemed less affected catches of tuna. Found low inverse correlation SST with catches of tuna amounted to R = -0.34 and low correlation with the chlorophyll-a with catches of tuna amounted to R = 0.28.

Analisis Garis Pantai Ladong Aceh Besar Tahun 2011-2015 dengan Menggunakan Sistem Informasi Geografis Chasandra Faradila; Ichsan Setiawan; Edy Miswar
Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

The purpose of this study was to determine shoreline change along the coast of Ladong, Mesjid Raya subdistrict, Aceh Besar district, Aceh province in the 5 years period started from the year 2011, 2012, 2013, 2014 and 2015. Ground check was implemented in August 2016. This study utilized Geographic Information System technology (GIS), remote sensing and by utilizing Google Earth to capture aerial photo. The result from this research showed that each year the shoreline changes, either it was abrasion or accretion. In 2011-2012 the value of abrasion reached 1.1 ha and the value of accretion reached 0.5 ha. In 2012-2013 the value of abrasion reached 0.3 ha and the value of accretion reached 0.8 ha. In 2013-2014 the value of abrasion reached 1.2 ha and the value of accretion reached 0.2 ha. In 2014-2015 the value of abrasion reached 0.2 ha and the value of accretion reached 1.5 ha. The value of the annual abrasion average reached 0.56 ha and the value of the accretion was 0.58 ha. The largest abrasion happened in 2013-2014 which reached 1.2 ha. The total value of 5 year abrasion was 2.8 ha and the total value of accretion was recorded 2.9 ha. The process of abrasion and accretion also caused a change of the length of Ladong’s coastline every year, and the river estuary was one of the reasons that caused abrasion or accretion

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Journal of Marine and Aquatic Sciences Vol 3 No 1 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

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Bali

INDONESIA