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Journal : Journal of Agroscience Indonesia

Diversity and Abundance of Phytoplankton in Coastal Areas in Kendari Southeast Sulawesi Indonesia Indrayani, Indrayani; Haslianti, Haslianti; Asmariani, Asmariani; Ardiansyah, Ardiansyah
Journal of Agroscience Indonesia Vol 1, No 1 (2023): May
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i1.47152

Abstract

Phytoplankton is a microscopic algae that can be found in almost all aquatic habitats. Phytoplankton have an important ecological role in the waters, as the basis of the food chain and as a producer of oxygen, where their composition and abundance are strongly influenced by various environmental factors. This study aims to determine the community structure of phytoplankton including the diversity, abundance and dominance of phytoplankton found in various locations in coastal waters in Southeast Sulawesi. Sampling was carried out in several coastal waters in Southeast Sulawesi including Nambo, Bokori, Batu Gong, Toronipa and Tanjung Tiram beaches. Plankton sampling was carried out by filtering about 100 L of seawater using a plankton net with a mesh size of 20 µm. The filtered plankton samples were then preserved in 4% formalin for further observation in the laboratory. Water quality measurements of temperature, salinity, brightness and pH were carried out in situ while nitrate, phosphate and ammonia were carried out ex-situ. The results showed that there were about 30 species of phytoplankton found where the most species were found in Bokori Island (22 species) followed by Tanjung Tiram beach (21 species), Toronipa beach (19 species) and both Nambo and Batu Gong beaches with 17 species. The highest abundance of phytoplankton was found on Bokori Island (563 individuals/L) and the lowest abundance was found on Batu Gong beach (237 individuals/L). The highest diversity index value was found at Toronipa Beach (2.72) while the lowest diversity index value was found at Batu Gong Beach (2.13). For the dominance index value, the highest value was obtained at Batu Gong Beach (0.18) and the lowest value was obtained at Toronipa Beach (0.08). The difference in the structure of the phytoplankton community found in different locations is due to variation of the environmental conditions.
Change of Color and Growth of Koi Fish (Cyprinus rubrofuscus) with Addition of Seaweed Extract (Kappaphycus alvarezii) on Feeds Syamsinar, Syamsinar; Jamaluddin, Jamaluddin; Indrayani, Indrayani
Journal of Agroscience Indonesia Vol 1, No 2 (2023): November
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i2.56692

Abstract

Seaweed is a marine plant belonging to the benthic macroalgae which lives a lot attached to the bottom of the waters. Seaweed has three main types of pigments, namely chlorophyll, carotenoids, and phycobiliproteins. The content of carotenoids is one of the most important groups of natural pigments which functions to pigment skin color (scales). Carotenoids also affect fish growth, with the availability of carotenoids in the fish's body, raw materials are available to be synthesized into important compounds needed by fish. This study aimed to analyze the effect of adding seaweed extract to feed on the brightness and growth of koi fish. This study is an experimental study using a completely randomized experimental design (CRD) consisting of 4 treatments with 3 repetitions. The treatments consisted of treatment K (100% commercial feed), A (7% seaweed extract, 93% commercial feed), B (5% seaweed extract, 95% commercial feed), C (3% seaweed extract, 97% commercial feed). Each treatment was observed on color brightness and growth (absolute weight, SGR), feed utilization (FCR and EPP), water quality, temperature, pH, and ammonia. The data was processed using SPSS version 24 program with Tukey HSD analysis. The results of this study showed that the administration of seaweed extract with different concentrations affected the color brightness and growth of koi fish (Cyprinus rubrofuscus). Where treatment A was the best treatment for color brightness 13.87, and treatment C was the best treatment for growth with absolute weight growth of 2.5 grams, SR 90%, FCR 1.7%, EPP 58%.
Cultivation of Tilapia (Oreochromis Niloticus) In Aquaponic System With Different Plants Species Simanullang, Diana Rifka; Patang, Patang; Indrayani, Indrayani
Journal of Agroscience Indonesia Vol 1, No 2 (2023): November
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i2.56151

Abstract

This study aims to analyze the effect of using different plant species on the growth and survival of tilapia in the aquaponic system and to identify the most effective plant species in maintaining water quality in tilapia rearing with aquaponic systems. This study is an experimental study with a completely randomized design (CRD) with four treatments (the use of kale, lettuce, pakcoy and control without plants) with three replications. The variables observed were the growth and survival of fish during maintenance. The data collected was then analyzed by the ANOVA test. The results showed that there was no significant effect (p>0.05) between the use of different types of plants on the growth of tilapia but the treatment using water spinach gave the highest weight gain for tilapia reaching 2.21g with an absolute length increase of 1.14 cm, and the specific growth rate reached 7.36% per day. The use of different plant species had no significant effect (p<0.05) on the survival of tilapia in the aquaponics system and kale was the most effective plant species in maintaining the water quality performance of tilapia during maintenance.
Co-Authors A, Arfis A., Arfis Abdullah Abdullah Abdullah Adha Putra, Rizki Adhiyasa, Rendy Dwi Aditiya Puspanegara Afriyani, Nur Afwindra, Firdaus Agus Adria Ahmad Mustafa Ahmad Mustafa Ahmad Zulfikar Akbar Gani, Akbar Akbar, Pandu Muhammad Almansa Fitra, Mohamad Alvaleri, Divka Pradya Amelia Widya Saputri, Meta Amirah Mustarin Amrullah Amrullah Andhi Kusuma Andi Alamsyah Rivai Andi Asdar Jaya, Andi Asdar Andi Sukainah Andykhatria, Andykhatria Anggit Kartikasari Anisa, Nani Apriliani, Lia Aprizal Aprizal Arami, Hasnia ARDIANSYAH ARDIANSYAH Arfan Hasan Aribowo, Kuncoro Arief Wujdi, Arief Asfiati, Sri Asmariani, Asmariani Asrina, A Astriana, Dona Astriani, Fitri Atik, Atik Augy Syahailatua Azwandi Azwandi Baehaqi Bahtiar, Virdhalya Kartika Balqis, Fathia Barlian, Edo Basri, Abdul Rahman Bernath Pardede, Rio Bujang, Azis Bustami Bustami Catrayasa, I Wayan Chablullah Wibisono Chairul Amni, Chairul Charles Parningotan Haratua Simanjuntak Citra Lestari Dahlia Dahlia Darma Prabudi Dewi, Nolla Puspita Dian Agustina Dirza, Risvan Eleonora Rumengan, Angelina Engelin Manopo, Maya Evi Handayani, Evi Fadillia, Mena Fajri Agustina, Legina Faozan, M Fathoni, M Ilham Fauzan, Tezza Fernando, Nurman Finandhy, M. Alvino Firaldi, Yukiko Friska Sihombing, Elisabet Gaddafi, Muammar Gita Indrawan, Mohamad Gunawan, William Ben Habibi Habibi Habibie, Mohammad Arief El Hambali, Amiruddin Handoko Gotama, William Harahap, Rumilla Harapin Hafid H. Hariansyah, Herry Harry Wibowo Haslianti Haslianti, Haslianti Hasni Hasni Hasnia Arami Henny Irawati Herbi, Bahusin Aji Jaya Herius, Andi Hidayati, Dian Hizam, Nurul Husna Husna Hutasoit, Hasudungan Ika Sulianti Inanta, Risdo Indah Permata Sari Indrawan, Mohamad Gita Indriani, Sri Indriani Harianja Irianti, Safitri IRMA DEWI Irpandi, Wira Irsan, La Ode Muhammad Ismoyo, Riky Isramilda, Isramilda Jamaluddin Jamaluddin Jaziroh, Fadla Yahlil Jemmy Rumengan Jerry Setiawan, Ikram Julnadi, Salsabilla Juniastel Rajagukguk, Juniastel Jusran Jusran Kadarusman . Kaddafi, Muamar Kamri, Syamsul Kenedy, T. Fazrial Kurniani, Wiwik Kurniawan, Ady Kurniawan, Muhammad Yogi Arief La Malesi Lebrata, Lebrata Lestari, Yunia Fanti Lisah, Lisah Lobo , Rita Lubis, Riadhini Wanty Marhamah Marhamah Mawarni Mawarni Meldawati, Yesi Mirza, Akhmad Mohamad Ikbal Riski Danial Molly, Sisca Dewi Muamar Khadafi, Muamar Muammar Khaddafi Muhammad Irsan, La Ode Muhammad Putra Aprullah Muhammad Sayuthi Muhammad Syukur Mukhlis, Andi Muhammad Akram Muliyanto, Muliyanto Mulyadi Mulyadi Murhaban Murhaban Mursidah , Mursidah Mursidah Mursidah, Mursidah Muslim Tadjuddah Nadhilah, Putri Nanda, Putra Naslina Alimina Naufal, Muhammad Ade Ngaliman, Ngaliman Ngalimun, Ngalimun Nisrina, Resna Fatin Novitasari, Ervi Nozariyanti, Reny Nur Rahmah Nur, Indriyani Nur, Ira Sahara, Sri Wahyuni NURASIAH, AI Nurhasanah Nurhasanah Nurjannah, Eka Nurlia Nurlia Nurmila, Nurmila Nurzanah, Wiwin Pane, Yunita Paradila Putri, Inggerit Pariakan, Arman Pasaribu, Sapta Paseru , Yanti Patang Patang, Patang Paulus Boli Pratama, Ade Surya Prayitno, Cahyo Putra, Reski Praja Putri Rahmawati Putri Sadayi, Delila Rachman, Abd. Rahardjo, Muhammad Fajar Rahim, Rahim Rahmadani, Sarra Rahman Rahman Rahman, Abdurr Rahman, Khaidir Rahmasari, Ayu Raida Fuadi Rany Gesta Putri Rais Razif, Razif Respationo, Soerya Revianti, Elvirta Reza Safitri RIDWAN AFFANDI Rila, Rajesh Rohman, Dwi Taufik Rohmat, Abdurr Ropii, Ahmad Safira, Nur Intan Safitri, Razila Aulina Salsabila, Fiarus Filhaq Satriawan, Bambang Sawaludin, Sawaludin Setiawan, Imam Setiyowati, Herny Shisilia, Shisilia Putri Ayu Ningsi Simanullang, Diana Rifka Simarmata, Heppy Hemalini Siregar, Haposan Siregar, Rizky Sri Ambardini Sri Yanti Sudarno Sudarno Sudarno Sugeng Santoso Suhelmi, Suhelmi Suherti, Suherti Sutrisno, Sutrisno Syafriman, Syafriman Syahril Syahril Syamsuddin Syamsuddin Syukur, Ihram Bani Tabroni, Tabroni Tadjuda, Muslim Tadjudah, Muslim Tarigan, Hernawati Br Tasabarmo, Ilham Antariksa Tatag Budiardi Taufieq. S, Nur Anny Tonapa, Juniarti Tresna Dewi Tri Rahayu Tri Wahyu Hardaningrum Tuapetel, Friesland Utami, Retyo Wizi Nafa Wahyudi Wahyudi Wayan Catra Yasa, I Wibisono, Cablullah Wibisono, Chablulah Windayati, Diana Titik Wisbisono, Chablullah Yakobus, Yakobus YANITA YANITA, YANITA Yanto, Subari Yasa, I Wayan Catra Yunina Yunina Yuritanto, Yuritanto Yuslinda, Yuslinda Yusri, Mohd. Zahara Zahara Zairina, Syarifah Zulmariad, Randi Zurkiyah, Zurkiyah