1,720,968 research outputs found

    IKAN HIAS AIR TAWAR EKSPOR INDONESIA

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    Spesies ikan hias air tawar dari Indonesia yang diekspor oleh para eksportir terutama dari daerah Jabodetabek sangat banyak. Pasar ekspor merupakan pasar terbesar untuk ikan hias Indonesia. Negara tujuan ekspor hampir ke seluruh dunia, mulai dari Eropa, Amerika, Australia, Jepang, Cina, Hongkong, Singapura bahkan Timur Tengah seperti Iran dan Arab Saudi. Nilai ekspor yang tercatat pada tahun 2000 masih sekitar 4 juta dollar namun tahun 2003 sudah mencapai sekitar 15 juta dollar US versi Badan Pengembangan Ekspor Nasional, dan tahun 2006 sudah dicapai 130 juta dollar US. Walaupun demikian menurut versi BPEN pula Indonesia baru mengisi 9% pasar di Eropa dan 6% ke Amerika, sementara Singapura mengisi 25% dan 30%-nya. Ikan ekspor ini terdiri atas spesies-spesies ikan yang berasal dari perairan Indonesia sendiri dan ikan introduksi dari perairan negara lain seperti Amerika Selatan, Afrika, dan AsiaTenggara lainnya. Produk didapatkan dari hasil tangkapan alam maupun dari hasil budidaya. Beberapa merupakan ikan yang di re-ekspor dari negara asal ke negara pengimpor. Data jenis ikan yang telah dibuat dalam bentuk tabulasi didasarkan dari asal ikan didapatkan dari list beberapa eksportir yang berada di daerah Jakarta, Bogor, Bekasi, dan Depok. Dari data tersebut ternyata ikan asli perairan Indonesia masih banyak yang diambil dari alam (tangkapan), dan ikan introduksi yang masuk dan dibudidayakan disini justru lebih banyak

    Application of maggot in ornamental fish culture

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    Maggot is one of alternative food source that potential to develop. At present, technique 0f culture of maggot can be doneespecially using media of Palm Kernel Meal (PKM). Application of maggot conducted in form of live food, freeze, and meal Applicationof maggot have been done for several commodity of ornamental fish especially in Center of Research and Development ofOrnamental Fish Aquaculture. Research using aquarium in indoor and conicle tank at outdoor.. Aplication maggot to the ornamentalfish such as Gurame padang (Osphronemus gouramy), Rainbow Kurumoi (Melanotaenia parva), Botia (Chromobotia macracanthus),and Red cherry shrimp (Neocaridina heteropoda) results average of final weight and total length respectively 241,27 g and 18,26 cm ;15,23 g and 24,06 cm ; 1,8 g and 4,9 cm ; 0,035 g and 0,03 cm. Meanwhile, survival rate of all ornamental fish in that researchachieve 100%. Water quality parameter in that research still in good condition. Base on results of research, maggot give the positiveeffect to the growth and survival rate off all ornamental fish that teste

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    COLOUR QUALITY ENHANCED ON GOLDFISH JUVENILES THROUGH SHRIMP HEAD MEAL ENRICHED IN FEED

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    Goldfish (Carassius sp.) is the ornamental fish which has been managed its culture by fish farmers. The objective of the research is to improve the colour quality of goldfish juveniles through enrichment of feed using shrimp head meal as source of carotenoid. The research was conducted at The Research and Development Institute for Ornamental Fish Culture, Depok, using completely randomized design with four treatments of shrimp head meal ratio, 0% (control), 5%, 10%, and 15% in feed, the feed formulation contained isoprotein (30%), and isolipid (15%) and three replications of each treatment. Ten juveniles of Carassius sp. with body weight of (1.08±0.02 g) stocked in aquarium with water volumes of 20 L. The growth and colour quality in qualitative standard using TCF (Toca Colour Finder) were examined, while total carotenoid content on feed were measured by spectrophotometry method. The colour quality of goldfish were also measured at three of fins those were dorsal, ventral, and caudal. The result showed that no significant different on growth and survival rates among the treatments. Based on the present research, the optimal colour improvement to goldfish was by addition of 10% shrimp head meal in feed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Author Index

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