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- Optimizing N:P Ratios to Enhance Carbohydrate and Lipid Content in Outdoor Cultured Gracilaria verrucosa Abustang, Abustang; Karim, Muhammad Yusri; Nurkamilah, Besse Tenri
Torani Journal of Fisheries and Marine Science Vol. 8 No. 2 (2025): VOLUME 8, NOMOR 2, JUNE 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/torani.v8i2.43984

Abstract

A leading commodity that has the potential to be developed as an export commodity for Indonesia is seaweed. One type of Gracilaria that has economic value and is widely cultivated is Gracilaria verrucosa. This study aims to analyze the effect of nitrogen (N) and phospor (P) concentration ratio on carbohydrate and lipid content in G. verrucosa seaweed cultivated outdoors. This research was conducted in May-June 2023 at the Hatchery FIKP, Hasanuddin University. Seaweed seedlings were reared for 44 days using 70 cm diameter conical fiber tanks filled with 100 g/150 L of water. This study used a non-parametric method Kruskal-Wallis consisting of 3 treatments and each treatment consisted of 3 replicates so that there were 9 experimental units. Based on the results of Kruskal-wallis analysis showed significant differences in carbohydrate content in seaweed G. verrucosa). The highest carbohydrate content was obtained in the treatment with a ratio of 2 ppm : 1 ppm (A), which is 33.49%, treatment with 2 ppm : 1.5 ppm (B) is 29.56% and the lowest treatment was in the ratio of 2 ppm: 2 ppm (C) which is 29.28%. The highest lipid content was at a ratio of 2 ppm: 2 ppm (C) 0.84% and the lowest at a ratio of 2 ppm: The water quality parameters observed during the study were all suitable for the growth of G. verrucosa.
Penyuluhan Metode Budidaya Rumput Laut di Kel. Kalumeme, Kec. Ujungbulu, Kabupaten Bulukumba Badraeni, Badraeni; Hidayani, Andi Aliah; Nurkamilah, Besse Tenri; Trijuno, Dody Dh.; Zainuddin, Elmi N.; Saade, Edison; Latama, Gunarto; Azis, Hasni Y.; Ambas, Irfan; Djawad, M. Iqbal; Achmad, Marlina; Karim, Muh. Yusri; Rustam, Rustam; Aslamyah, Siti; Fujaya, Yushinta; Zainuddin, Zainuddin
Bambu Laut: Jurnal Pengabdian Masyarakat VOLUME 2, NOMOR 1, APRIL 2025
Publisher : Fakultas Ilmu Kelautan dan Perikanan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/bambulaut.v2i1.42271

Abstract

Kecamatan Ujungbulu merupakan salah satu sentra rumput laut di Kab. Bulukumba yang memberikan peluang usaha yang sangat baik bagi peningkatan perekonomian keluarga. Keberhasilan budidaya rumput laut sangat dipengaruhi oleh musim, teknik dan metode budidaya yang tepat sehingga dapat memberikan pertumbuhan yang maksimal seperti pola tanam yang sesuai, penerapan metode tali bentang atau long line. Namun dalam perkembangan metode ini, Masih banyak masalah yang dihadapi oleh pembudidaya, seperti bobot awal bibit yang terlalu besar, jumlah bentangan per awal penanaman per areal yang terlalu banyak, dilakukan penanaman awal yang bersamaan dan penggunaan areal budidaya secara bersamaan per kelompok petani budidaya. Melalui program pengabdian kepada masyarakat dosen PS. BDP, maka dilakukan Penyuluhan Metode Budidaya Rumput Laut. Kegiatan ini dilakukan di Kantor Lurah Kalumeme, Kecamatan Ujungbulu, Kabupaten Bulukumba pada Sabtu 26 Oktober 2024. Sebanyak 30 peserta ikut dalam kegiatan ini yang berasal dari Gapoktan, penyuluh dan dari Dinas Perikanan Kab. Bulukumba. Materi penyuluhan yang disampaikan dipahami dengan baik oleh peserta melalui kegiatan diskusi setelah pemaparan materi.