Jurnal Universitas Tidar
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The Analysis of Marketing Efficiency of White Shrimp (Litopenaeus vannamei) in Surabaya City
Full text linkThe basic principle of marketing efficiency is to solve the problem of how to shorten the marketing chain and reduce marketing costs. Farmers are often in the most disadvantageous position, in various positions in the marketing chain. Very long marketing chains are often found in the marketing chain of agricultural and fishery commodities. The purpose of this study was to determine the level of marketing efficiency in various marketing channels for vaname shrimp in Surabaya City. This research was conducted in Surabaya City, East Java. The population in this study were the actors involved in the vaname shrimp marketing supply chain, sampling in this study used the Slovin method, snowball sampling, and complete census, the number of shrimp farmer respondents was 105 people, then 24 collectors, and 30 retailers. The data collection method was based on interviews with prepared questionnaires. The analysis used was marketing margin, farmer\u27s share, profit ratio, and marketing efficiency. The results showed that there were 3 vaname shrimp marketing channels, namely channel I (farmers-end consumers), channel II (farmers-retailers-end consumers), and channel III (farmers-retailers-end consumers). Based on the results of the analysis, the most efficient marketing channel is channel I, and the largest profit ratio is obtained by retailers on channel II
Study of Accumulation of Heavy Metals Cu and Cr in Traditional Milkfish (Chanos chanos) Ponds in Sidoarjo.
Full text linkMilkfish (Chanos chanos) is a key brackish water aquaculture commodity in Indonesia. Traditional milkfish farming systems in East Java are still widely practiced, relying on tidal flows and nearby river water as the primary pond water source. This traditional approach has inherent weaknesses in maintaining water quality, making the ponds susceptible to pollution from domestic, industrial waste, and activities around the pond such as ship traffic. One of the major environmental concerns is the presence of heavy metals, such as copper (Cu) and chromium (Cr), which can accumulate in sediments and milkfish flesh through the process of bioaccumulation. This study aimed to determine the concentrations of heavy metals copper (Cu) and chromium (Cr) in pond water, sediment, and milkfish (Chanos chanos) flesh, and to assess the contamination levels using the Geo-accumulation Index (Igeo), Contamination Factor (CF), and Bioaccumulation Factor (BCF). Samples were collected from three traditional milkfish ponds in Kalanganyar Village, Sidoarjo, with an additional sample from a river estuary serving as the water source for the ponds. Water quality parameters were also measured during two different times of the day (night and noon) to capture daily variation in aquaculture conditions..The analysis showed that both Cu and Cr were undetectable in the pond and estuarine water samples, suggesting minimal contamination in the dissolved phase. Cu was detected in fish flesh at concentrations ranging from 0.243 to 0.406 mg/kg, which remain below the threshold established by the Indonesian National Standard (SNI 7387: 2009) regarding the maximum limits of heavy metal contamination in food. Cr was undetectable in all fish samples. The concentrations of Cu and Cr in sediments varied slightly among the ponds, but Igeo and CF values indicated a classification of "unpolluted" to "slightly polluted". BCF values revealed a low tendency of Cu bioaccumulation from sediment to fish flesh. Additionally, the water quality parameters such as dissolved oxygen (DO), pH, temperature, salinity, and transparency remained within acceptable ranges, supporting the sustainability of traditional milkfish aquaculture in the area
RETORIKA STORYTELLER KOMUNITAS WALKING TOUR “MLAKU MAGELANG” DALAM MENGENALKAN TEMPAT BERSEJARAH DI KOTA MAGELANG
Full text linkThis study aims to examine the rhetoric of the storyteller “Mlaku Magelang” storyteller in introducing historical places in Magelang. Using a qualitative approach, this research explores how storytellers use Aristotle’s rhetorical principles, namely Invention, Arrangement, Style, Delivery, and Memory, to convey interesting and educational historical narratives to tourists. Through observations and interviews with founders and tourists, it was found that the use of casual language, different costumes according to the route, and interactions involving humor contribute to an immersive tourist experience. The results indicate that storytellers who fulfill the aspect of Aristotle’s rhetoric in conveying narratives not only enrich historical understanding, but also build emotional connection between tourists and the places visited. This study is expected to contribute to the development of communication strategies in tourism, particularly in the context of walking tours. 
STRATEGI KOMUNIKASI PEMASARAN OASEA LABORATORIES: PENDEKATAN GREEN MARKETING OASEA LABORATORIES DI INSTAGRAM
Full text linkKesadaran terhadap isu lingkungan saat ini mempengaruhi tujuan pemasaran sebuah produk, termasuk sektor kecantikan. Oasea Laboratories merupakan salah satu jenama perawatan kulit yang mengusung konsep keberlanjutan melalui pesan kampanye yang menitikberatkan pada transparansi bahan baku, kemasan yang ramah lingkungan, praktek produksi yang bertanggung jawab hingga pada pelaksanaan strategi pemasaran yang ramah lingkungan. Penelitian ini ditujukan untuk mencermati bagaimana strategi pemasaran komunikasi yang dilakukan Oasea Laboratories sepanjang 2024. Metode penelitian yang digunakan adalah kualitatif deskriptif dengan pengumpulan data berupa observasi, wawancara, dan dokumentasi. Hasil penelitian memperlihatkan bahwa Oasea Laboratories telah menggunakan pendekatan strategi komunikasi pemasaran green marketing dengan 8P berupa green product, green price, place, green promotion, providing information, process, policies, dan people. Selain itu Oasea Laboratories juga memberikan bukti nyata (physical evidence) atas kontribusinya sebagai produk yang mendukung konsumsi berkelanjutan dan melibatkan brand ambassador yang peduli lingkungan pada aspek people.
Kata kunci: green marketing, strategi komunikasi pemasaran, Oasea Laboratorie
Perbuatan Melanggar Hukum Oleh Kepala Desa dalam Pelaksanaan Putusan Pengadilan Tata Usaha Negara
Full text linkIndonesia has a decentralised government, meaning that regions have authority from the central government. In addition to regional autonomy, certain legal community units possess the authority to autonomously control and oversee government affairs, namely villages. Village autonomy is a state of absolute and unlimited self-government, which is not granted by the government but is expected by the government to be recognised and upheld. The village head has supported from village officials for organises the village government. The village head has the authority to recommend to the regent or mayor the appointment and removal of village officials, who, in the previous arrangement, was authorised to appoint and dismiss village officials. Resistance from dismissed village officials is one of the problems that arise, which sometimes leads to legal remedies such as filing a lawsuit against the PTUN. Allegations of unlawful acts are sometimes filed with the District Court. How do disputes related to unlawful acts by the village head occur in relation to the implementation of PTUN decisions? Normative research methodology is used in this research with conceptual, statutory and case approaches to Decision No. 45/Pdt.G/2022/PN Sbw. The findings demonstrated that the Defendant\u27s actions as the village head who did not revoke the decision letter on the dismissal of village officials were not based on legality, procedure, and substance of government actions. The actions of the Defendant as the village head who did not revoke the decree on the dismissal of village officials constituted onrechtmatige daad and not onrechtmatige overheidsdaad
Problems and Reform of Indonesia\u27s Cyber Law: A Comparative Study with Other Countries
No full textIndonesia\u27s cyber law faces various challenges in addressing the rapid development of information technology. The main issues include regulatory weaknesses, lack of personal data protection, unclear legal jurisdiction, and weak law enforcement against cybercrimes. This article analyzes the challenges of Indonesia\u27s cyber law and compares them with several countries that have more advanced cyber legal systems, such as the United States, the European Union, and Singapore. Using normative and comparative research methods, this study recommends reforms in Indonesia\u27s cyber law, emphasizing strengthening regulations, improving law enforcement mechanisms, and increasing international cooperation
Pemberdayaan Pembudidaya Ikan Melalui Pelatihan Budi Daya Ikan Nila Sistem Bioflok Untuk Mendukung Ketersediaan Protein Yang Berkelanjutan di Karawang
Full text linkIndonesia, as an archipelagic country, possesses immense potential in both capture and aquaculture fisheries. Among freshwater aquaculture commodities, Nile tilapia (Oreochromis niloticus) is favored due to its fast growth, palatable taste, and ease of cultivation. However, conventional tilapia farming faces challenges such as limited land availability, excessive water usage, organic waste pollution, and high feed costs. Biofloc technology offers an innovative solution by utilizing microbial consortia to convert organic waste into edible flocs, thereby reducing feed consumption, improving water quality, and increasing sustainability. This community service initiative, conducted by the Karawang Marine and Fisheries Polytechnic, aimed to enhance fish farmers’ capacity—specifically among students at the Mumbar Huffazh Islamic boarding school—by introducing biofloc aquaculture practices. The program included training on the technical and practical aspects of the biofloc system and its application in small to medium-scale operations, particularly in land-limited rural or urban settings. Implemented on February 26, 2024, with follow-up support and evaluation, the program sought to (1) increase knowledge and skills related to efficient, eco-friendly tilapia farming; (2) foster commitment to water quality monitoring; and (3) promote sustainable aquaculture that aligns with the national Free Nutritious Food (MBG) program. The anticipated outcomes include reduced feed usage by up to 50%, shorter production cycles, enhanced fish availability, and improved livelihoods. The initiative reflects the institution’s commitment to the "Tri Dharma" of higher education through community empowerment, contributing to equitable development and protein food security
Training And Education of Business Analysis of Tilapia Fish Farming and Golden Fish Spawning with Biofloc System
Full text linkThis community engagement program aims to empower vocational high school (SMK) students through entrepreneurship training in sustainable aquaculture, particularly focusing on biofloc-based Nile tilapia farming and goldfish hatchery practices. Conducted in collaboration with SMK Negeri Cilebar and held at the Karawang Polytechnic of Marine and Fisheries, the training provided both theoretical knowledge and hands-on experience. Biofloc technology, an efficient aquaculture method using microbial activity to recycle organic waste into fish feed, offers a viable solution for fish farming in limited spaces. Meanwhile, goldfish hatchery, a high-profit upstream aquaculture activity, was introduced to enhance students’ understanding of seed production cycles. The program outcomes include increased student awareness and commitment to applying business analysis in aquaculture, improved practical skills in small-scale fish farming, and the establishment of a cooperative relationship between educational institutions. The initiative not only supports local food security and youth entrepreneurship but also promotes the utilization of Karawang’s abundant aquatic resources through environmentally friendly practicesKeywords: Community empowerment, catfish farming, participatory training, aquaculture, rural entrepreneurship, Mina Sejahtera, Suban
Aksi Hijau Merawat Bumi dengan Penanaman Pohon dan Kegiatan Clean-Up Day di Desa Kembangkuning: -
Full text linkKomunitas GenBI Komisariat Universitas Tidar memiliki program bernama GenBI Menanam dan Clean-Up Day sebagai bentuk kepedulian pada bumi dan juga lingkungan masyarakat di sekitar Universitas Tidar. Kedua kegiatan ini dilaksanakan di Desa Kembang Kuning. Kegiatan ini bertujuan untuk melestarikan lingkungan dan meningkatkan kesadaran masyarakat terhadap kebersihan. Program yang dilaksanakan berupa penanaman pohon di area kritis dan menjaga kebersihan dengan
mengurangi sampah, terutama plastik, dengan pendekatan partisipatif melibatkan masyarakat, pemerintah desa, dan relawan. Program berhasil mendukung penghijauan, menciptakan lingkungan yang lebih bersih, serta meningkatkan kepedulian masyarakat terhadap isu lingkungan. Kegiatan ini diharapkan menjadi contoh praktik pelestarian lingkungan yang berkelanjutan dan dapat direplikasi di wilayah lain.
 
Pembelajaran Teknologi untuk Meningkatkan Literasi Multikultural dalam Pembelajaran Interaktif Ruang Lingkup SMP Negeri 8 Muaro Jambi
Full text linkIn the era of globalization, there has been a lot of use of technology in the education sector, such as communication technology, artificial intelligence (AI), Internet of Things (IoT), digital technology, and others. These fields continue to develop and influence various aspects of human life. The use of technology in language and literature learning has a very important role in increasing multicultural literacy among students. By integrating technology tools and resources, the learning process can become more interactive and engaging, allowing students to explore different cultures and perspectives. This research aims to analyze how technology can be used to enrich learning experiences, introduce students to literary works from various cultural backgrounds, and encourage deeper discussions about multicultural values. In this way, it is hoped that students will not only understand language and literature better, but also better appreciate the cultural diversity that exists in societ