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Journal : Jurnal Perikanan

STUDY OF NUTRIENT CONTENT (NITROGEN ELEMENT) IN Kappaphycus alvarezii THALLUS IN RELATION TO FILAMENTOUS ALGAE ATTACHMENT IN THE BONE-BONE COASTAL WATERS, BAUBAU CITY Adriyan, Adriyan; Kasim, Ma'ruf; Oetama, Dedy
Jurnal Perikanan Unram Vol 16 No 1 (2026): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v16i1.2119

Abstract

This study aimed to determine the nitrogen content in the thallus of K. alvarezii in relation to filamentous algae attachment. The research location was determined using the purposive sampling method. This study used a horizontal net (horinet) as a cultivation tool. Sampling of K. alvarezii thallus was conducted over 35 days with a 7-day interval. A total of 20 thallus were collected during the study, consisting of 10 thallus with attached filamentous algae and 10 thallus without attached filamentous algae. The nitrogen content in the thallus was calculated using the Kjeldahl method, which involves three main stages: digestion, distillation, and titration. The results showed that the types of attached filamentous algae included one species from the class Chlorophyta, namely Chaetomorpha crassa, and one species from the class Rhodophyta, namely Neosiphonia apiculata. The highest average nitrogen content in the thallus when filamentous algae were attached was 1.121%, and the lowest was 0.863%. In contrast, in thallus without attached filamentous algae, the highest average nitrogen content was 1.274%, and the lowest was 0.942%. The results of the one-way ANOVA test analysis indicated no significant difference in nitrogen content between thallus with and without attached filamentous algae.
Co-Authors . Sumarni, . A Abdullah A.A. Ketut Agung Cahyawan W Abdul Rahman Abdul Rahman Adriyan, Adriyan AGUS KURNIA Ahmad Mustafa Almualam, . Amiruddin Amir Anastion, . Andi Irwan Nur, Andi Irwan Apriliani, Asnar Arami, Hasnia Arielta, Muhammad Rafly Ariskanti Ariskanti Arnol, Deddy Asnani Asnani Asriyana, . Awal Setya Anugrah Azalia Azalia Bahtiar, . Balubi, Abdul M. Balubi, Abdul M. Balubi, Abdul Muis Bolqiah, Sofri Buamona, Dodi Efendi Cahayani, Rhedita Chayani R, Dita Pramesti Daniel Happy Putra Devi Devi, Devi Didu, La Emiyarti, . Emiyarti, . Farito, . Fitra, Ramad Arya Golok Jaya, La Ode Muhammad Guntur, LM. Ikhwan Halili Halili Harfan Harfan Hariyanti, Wa Ode Haslianti, . Husain, La Ode Kadir Irmin, Irmin Isham, . Ismail, Isman Septian Jamhari Jamhari Jamil, Muhammad Ridha Julizar, Syukur La Baco S La Ode Alirman Afu, La Ode Alirman La Ode Ichlas Syahrullah Yunus La Ode Mehamad Ardiansyah La Ode Muhamad Kiflin La Ode Muslimin Liza Kurnia Mansur Mardin, Mardin Marlia, . Marlin Marlin Muhammad Taswin Munier Munirma, Munirma Mursalim, Ode Muslim Muslim Mutmainnah Muchtar Muzuni, Muzuni Nadia, La Ode Abdul Rajab Nasrun, La Nur Irawati Nur, Indriyani Nurdiana A Nurdiana Nurdiana Nurdiana, - Nurdiana, . Nurlinda, Suriati Onu La Ola, Onu Patadjai, Rahmad Sofyan Rahmat, Fitra Ratna Diyah Palupi Rizal, . Roslindah Daeng Siang S., Salwiyah Saik, Fitriani Saik, Fitriani Salwiyah S, Salwiyah Salwiyah Salwiyah Salwiyah, . Salwiyah, Salwiyah Samdin, Samdin Saniati, Saniati Sari, Wilda Purnama Sarifa, . Sarifa, Sitti Sarimuddin, Sarimuddin Sarini Yusuf Sima, Nur Sudia, LaBaco Sumiati Sumiati Suwaldi Trisno Widodo Tambunan, Reside Taswin Munier Tiara Aninditha Ulfa, Hartina Wardha Jalil Wati, Nela Wulandari Wulandari Yudizar, Arbin Yulianti, Yuni Yusup, Silfi Yusup, Silfi