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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Sains dan Seni ITS Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Kelautan : Indonesian Journal of Marine Science and Technology ASRO JOURNAL - STTAL PEDULI: Jurnal Imiah Pengabdian Pada Masyarakat International Journal of Marine Engineering Innovation and Research Fisheries : Jurnal Perikanan dan Ilmu Kelautan
Ninis Trisyani
[SCOPUS ID: 57191539485], Universitas Hang Tuah Surabaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Kelimpahan Lorjuk (Solen vaginalis) di Pantai Timur Surabaya Ninis Trisyani; Bambang Irawan
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 13, No 2 (2008): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.418 KB) | DOI: 10.14710/ik.ijms.13.2.67-72

Abstract

Lorjuk (Solen vaginalis) adalah salah satujenis kekerangan (Pelecypoda) yang mempunyai nilai ekonomis tinggi. Biota tersebut dapat ditemukan berlimpah di Pantai timur Surabaya. Tujuan penelitian ini untuk mengetahui kelimpahan lorjuk dan kondisi ekologinya. Sampel diambil dari lima stasiun yang mewakjli habitat yang dihuni dan tidak dihuni lorjuk daribulan April-Desember 2007. Hasil penelitian menunjukkan bahwa lorjuk tidak ditemukan pada lokasi dengan substratyang kandungan lumpumya tinggi, dan lebih menyukai substrat dengan kandungan substratpasiryang tinggi. Kelimpahan lorjuk tertinggi ditemukan pada bulan Juni hingga September. Panjang cangkang lorjuk berkisar 1.8-6.9 cm dengan berat 0.16-9.6gr.Analisa hubungan panjang dan bobot lorjuk menunjukan nilai korelasi rata-rata 0.905, yang berarti pertumbuhan panjang seiring dengan pertambahan berat. Sebaran cangkangdidominasi ukuran 3-5cm denganprosentase 65%Kata kunci: Lorjuk, Solen vaginalis, kelimpahan, Surabaya
COLLABORATIVE MANAGEMENT OF INDRAYANTI BEACH ECO-TOURISM BASED ON LOCAL WISDOM IN SIDOHARJO TEPUS VILLAGE, GUNUNGKIDUL YOGYAKARTA Bernadus Sumarwoto; Agus Subianto; Ninis Trisyani
JOURNAL ASRO Vol 12 No 3 (2021): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

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Abstract

The purpose of this research is to describe collaborative efforts in the management of coastal tourism and to describe the supporting and inhibiting factors in the collaborative management of ecotourism-based Indrayanti coastal tourism. This type of research is descriptive qualitative. The research location is Indrayanti Beach, Gunungkidul Regency. The research informants used purposive sampling, namely the Tourism Office of the Gunung Kidul Regency Government, the Head of Sidoharjo Village, the private sector, academics, and the Sidoharjo Village Community. Collecting data used interviews, documentation, and observation. The data analysis technique uses qualitative. The results of the study show that the collaborative management of ecotourism-based Indrayanti coastal tourism has been going well. The Regency Government and Village Government support with facilities and infrastructure. The private sector plays a role in the establishment of lodging, restaurants, and souvenir shops, the community plays a role in beach management starting from cleanliness, also establishing souvenir shops, academics play a role in research development, while the existence of the media is carried out through online media to introduce ecotourism on Indrayanti Beach. Supporting factors for collaborative tourism management based on local wisdom of Indrayanti beach in Sidoharjo Tepus Village, Gunungkidul Yogyakarta, among others are natural charm, facilities and infrastructure, and access, while the inhibiting factor is the limited ability of the local community. Keywords: Collaboration, beach tourism, ecotourism, local wisdom.
Effectiveness of Adding Different Types of Vitamin C in Improving the Quality of Artemia salina sp. Ajeng Sukmasari; Nuhman Nuhman; Ninis Trisyani
International Journal of Marine Engineering Innovation and Research Vol 8, No 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i2.16879

Abstract

Artemia is a natural food that contains pigments (canthaxanthin), protein, vitamin C and some essential fatty acids for the growth of fish and shrimp. Artemia contains vitamin C, but it is still suspected that additional vitamin C is needed for larval development, gonad maturity and gamete quality. The purpose of this study was to analyze the effectiveness of vitamin C (ascorbic acid) absorption in the enrichment of Artemia sp. The stocking density of Artemia cysts was 2 g per 2 liters of water with a dose of Vitamin C of 100 mg/liter. The hatching process produced Hatching Percentage (HP) of 54.22% and 53.69%. The method used was laboratory experiment, analyzing Vitamin C absorption using UV-Vis Spectrophotometry method at 450-750 nm wavelength followed by BNT test. UV-Vis spectrophotometer method to determine the level of vitamin C absorbed during the artemia immersion process. Vitamin C absorption concentration after soaking process for 6 hours obtained an average of 0.8640 ppm and 0.8642 ppm. The results of the BNT test showed results with a value of 0.05, so the second type of Vitamin C applied to Artemia was not significantly different.
Co-Authors Aftria Rizvica Ramadan Agus Subianto Agustin, Titik Indhira Agustin Indhira Ajeng Sukmasari Aniek Sulestiani Bernadus Sumarwoto Fita Hadimarta Hidayat, Moh. Taufiq Kambu, Fernandes Maemonah, Maemonah Nirmalasari Idha Wijaya Nuhman Nurlita Abdulgani pratiwi, meilisa nanda Rahardhianto Arsetyo Rindang Hayati Ningrum Titiek Indhira Agustin wijayanto, bima kastriya Yuniar, Is