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Journal : Maspari Journal

Strategy of Nannochloropsis Against Environment Starvation: Population Density and Crude Lipid Contents Siti Hudaidah; Moh Muhaemin; Rosdinar .
Maspari Journal : Marine Science Research Vol 5, No 2 (2013): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (723.741 KB) | DOI: 10.36706/maspari.v5i2.2498

Abstract

Nannochloropsis sp., an unicellular marine microalgae, has potential function as a food source for fish larvae and in chemical industry. Microenvironmental conditions, especially nitrogen and salinity stress in marine ecosystems, became major factor affecting the growth of Nannochloropsis sp.The aim of the experiment was to study effect of different salinities and nitrogen dosages to the growth and lipid contents of Nannochloropsis sp. cells.The experiment was arranged in factorial with three replicates. The first factor was salinity (28 ppt and 38 ppt), and the second factor was nitrogen dosage (100% and 50%). Results of the experiments indicated that nitrogen starvation and high saline concentration affected cell density of Nannochloropsis sp. in different level. The results showed that combination treatments of nitrogen starvation and salinity reduced cell density (treatmant A, B, and D), except in treatment C. Combination of high salinity and high N dosages resulted ini steady growth of Nannochloropsis sp. These results suggest that Nannochloropsis sp. are able to overcome salinity stress (38 ppt) in the presence of optimum concentration of nitrogen in the growth cultures.The results also shows that there were no significant differences of crude lipid content between treatments and no correlation between population density and crude lipid content. These results suggest that no simple correlation between population density and crude lipid concentration. On the other hand, population density was not the only factor affected crude lipid concentration in the microalgae cell.Keyword: Nannochloropsis, population, crude lipid
ANALISIS KESESUAIAN LAHAN DI PERAIRAN PULAU PASARAN PROVINSI LAMPUNG UNTUK BUDIDAYA KERANG HIJAU (Perna viridis) Mahrus Ali; Henni Wijayanti Maharani; Siti Hudaidah; Hermawan Fornando
Maspari Journal : Marine Science Research Vol 7, No 2 (2015): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.216 KB) | DOI: 10.36706/maspari.v7i2.2484

Abstract

Kerang hijau merupakan salah satu komoditas perikanan laut yang digemari oleh masyarakat. Di Lampung budidaya kerang hijau baru dirintis beberapa tahun terakhir. Budidaya ini terdapat di sekitar Teluk Lampung seperti perairan Ringgung (Pesawaran) dan Pulau Pasaran (Bandar Lampung). Analisis kesesuaian lahan di perairan Pulau Pasaran untuk budidaya kerang hijau (Perna viridis) dapat diamati dengan menganalisis faktor fisika, kimia dan biologi air menggunakan metode rating point. Tujuan penelitian ini untuk mengetahui kesesuaian perairan Pulau Pasaran untuk budidaya kerang hijau. Pengamatan dilakukan dengan membandingkan parameter pendukung di 5 stasiun di sekitar perairan Pulau Pasaran. Hasil pengukuran menunjukan salinitas, pH, temperatur, DO dan substrat perairan Pulau Pasaran baik untuk budidaya, sedangkan parameter kekeruhan, kecepatan arus, kedalaman dan klorofil-a kurang mendukung untuk budidaya kerang hijau. Secara keseluruhan rating point kesesuaian lahan perairan Pulau Pasaran. sebesar 6,72 yang menunjukkan bahwa perairan Pulau Pasaran memiliki tingkat kesesuaian cukup baik untuk budidaya kerang hijau. Lokasi terbaik untuk budidaya kerang hijau pada stasiun 2 dengan rating point 7,1.KATA KUNCI: Kerang hijau, kesesuaian lahan, Lampung, rating point.
Co-Authors Abidin, Z Adetya Putri Anica Rahmawati Adiputra, Yudha Aditya Kusuma Nugroho Agung Prasetyo Agus Setyawan Agus Setyawan Agus Setyawan Agus Setyawan Agus Setyawan Ainul Kahfi Ajeng Angrum Ningsih Alfionita, Wuni Alhafizoh, Fatimah Almira Lahay Amin, Muhammad Khaliqul Andhika Bayu Saputra Andi Bimantara Anma Hari Kusuma Anma Hari Kusuma Anma Hari Kusuma, Anma Hari Arif Wibowo Arif, Mas Achmad Syamsul Asmaul Husna Azwar Ibrahim Berta Putri Berta Putri Berta Putri Berta Putri Caesario, Rachmad Camelia, Nita Chatammi Akbar Cindy Ria Nuari Cory Pravita Widaksi Damayanti, Sri Ismiyati Dede Nur Abdul Halim Deny Sapto Chondro Utomo Dewi Retno Sari Dharta Mahardani Dina Tri Madya Ningsih Dio Vinski Aquardo Doni Putra Pradana Dwiki, Elba Ediwarman Ediwarman EFFENDI, Eko Ekadana Putra Sebayang Eko Efendi eko efendi Eko Effendi Elba Dwiki Elisdiana, Yeni Erna Rochana Fadhli Dzil Ikrom Febrinawati, Nanda Fidyandini, Hilma Putri Firdausi, Hilma Nahwa Firmansyah User Firsta Rahmasari Fitriyah Noor, Huriyatul Fredi Wintoko Gesty Ayu Akbaidar Henky Mayaguezz Henky Mayaguezz Henni Wijayanti Henni Wijayanti Maharani Henni Wijayanti Maharani Henny Wijayanti Henny Wijayanti Maharani Herman Yulianto Hermawan Fornando Hermawan Fornando, Hermawan Hilma Nahwa Firdausi Hilma Putri Fidyandini Indra Gumay Yudha Istikomah Istikomah Jariyah Endang Setiawati Jayawarsa, A.A. Ketut Joshua Sahat H Sitohang Kesuma, Widi Indra Lahay, Almira Larasati, Ellen Leonardo Bambang Diwi Dayanto Limin Santo Limin Santoso Limin Santoso Limin Santoso Limin Santoso Limin Santoso Luh Putu Ratna Sundari Mahrus Ali Mahrus Ali Mahrus Ali Margie Brite Mas Achmad Syamsul Arif Mas Tri Djoko Sunarno Maulid Wahid Yusup Maulidiyanti . Mayaguezz, Henky Moh Muhaemin Moh Muhaemin Moh Muhaemin Moh Muhaemin Moh. Muhaemin Moh. Muhaemin Moh. Muhaemin Muhammad Gilang Ramadhan Muhammad Khaliqul Amin Munti Sarida Nanda Febrinawati Naskuroh, Nurul Zikra Niken Puspita Sari Nindri Yarti Norma Valensi Putri Novita Panigoro Nuning Mahmudah Noor Nuron Nafsihi Otik Nawansih Pertiwi, Ris Restu PUJI LESTARI Ramadhan, Muhammad Gilang Rara Diantari Rara Diantari Reni Antika Rina Hesti Utami Rini Lian Agustina Rosdinar . Rosdinar ., Rosdinar Sanjaya, Achmad Santanumurti, Muhammad Browijoyo Santrika Khanza Septa Indarti Setiawan, Aqshal Dwi Simparmin Ginting Sinaga, Edward Gracealdo Sinaga, Edward Gracelado Sudarmono - Sulvina . Sumino, Sumino Suparmono Suparmono Supono . Supono Supono Supono Supono Supriya, Supriya Susanti, Oktora Tari Putri Anggraini Tarsim - Tarsim - Tarsim Tarsim Tri Ayu Lestari Turovika, Yeti Barokah Utomo, Deny Sapto C Wardiyanto . Wardiyanto Wardiyanto, Wardiyanto Yeni Elisdiana Yudha Adiputra Yudha Trinoegraha Adiputra Yudha Trinoegraha Adiputra Yudha Trinugraha Adiputra Yudha Trinugraha Adiputra Yuriska Selviani Yusup, Maulid Wahid Zulfikar Zafeskan Ronapati