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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Kelautan Tropis Jurnal Sumberdaya Akuatik Indopasifik Omni-Akuatika Techno-Fish JURNAL SAINS dan INOVASI PERIKANAN
Ilham Antariksa Tasabaramo
Program Studi Ilmu Kelautan, Fakultas Pertanian, Perikanan Dan Peternakan, Universitas Sembilanbelas November, Sulawesi Tenggara, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Library & Information Science Medicine & Pharmacology Other

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Journal : Jurnal Ilmu dan Teknologi Kelautan Tropis

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GROWTH RATE, COVER, AND SURVIVAL RATE (Enhalus acoroides) TRANSPLANTED IN MONOSPECIES AND MULTISPECIES Ilham Antariksa Tasabaramo; Mujizat Kawaroe; Rohani Ambo Rappe
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 7 No. 2 (2015): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (472.727 KB) | DOI: 10.29244/jitkt.v7i2.11169

Abstract

One of seagrass dominant species found in Indonesia is Enhalus acoroides. This species can form single seagrass bed vegetation (monospecies vegetation) and mixed with others species (multispecies vegetation). Seagrass composition in coastal areas can be affected by surrounding associated species such as herbivorous fish and invertebrates. Human activities, especially in coastal communities, can negatively influence seagrass beds. Therefore, it is needed an effort to rehabilitate the affected seagrass. Transplantation technic is one effort for rehabilitation. The purposes of the research were to analyze growth rate, percent cover, and survival rates of seagrass E. acoroides transplanted as monospecies and multispecies. This research used a monospecies of E. acoroides and multispecies (2, 4, and 5 species) that combined to others species such as T. hemprichii, C. rotundata, H. ovalis, H. uninervis, and S. isoetifolium. Research results showed that the highest average growth rate of transplanted E. acoroides was found in monospecies treatment with 0.29 cm/day. The highest average cover changing was found on two combined species i.e., E. acoroides and C. rotundata, as high as 0.10% per day. The highest survival rates were found in 2 combined treatment i.e., E. acoroides and H. ovalis, and 5 combined species such as E. acoroides, S. isoetifolium, C. rotundata, H. uninervis dan H. ovalis with value 100 percent, respectively. Keywords: Enhalus acoroides, cover, growth, survival rates, seagrass, transplantation
AKUMULASI LOGAM BERAT (Pb, Cd, Hg) PADA KARANG Acropora aspera DI PERAIRAN POMALAA SULAWESI TENGGARA Riska Riska; Ilham Antariksa Tasabaramo; Neviaty P. Zamani; Lalang; Essa Annisa Syadiah
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 14 No. 1 (2022): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v14i1.37553

Abstract

Corals are one of the organisms that are sensitive to physical and chemical changes in the marine environment. Coral reefs in Pomalaa waters are starting to be threatened because of the nickel mining. This study aims to examine the water quality of coral reefs, and the level of accumulation of heavy metals (Pb, Cd, and Hg) in the waters and on coral (Acropora aspera) in Pomalaa waters. Samples were taken at 4 stations with the parameters measured were temperature, dissolved oxygen, pH, salinity, water clarity, current velocity, nitrate and phosphate. Seawater samples at each station were taken using a 500 ml sample bottle and 5 ml of HNO3 was added. Coral samples were taken at a depth of 5-10 m at 3-5 cm then prepared and analyzed using Atomic Absorption Spectrometer Method. The results showed that the heavy metals concentrations in water and coral had different concentrations. Accumulation of heavy metals in water samples exceeds the threshold for sea water quality standards for marine biota. Accumulation of heavy metals in coral skeletons has different concentrations for each type of metal. Concentration of Pb in corals ranged from 1.20 to 28.40 mg/kg. Concentrations Cd from 12.06 to 18.53 mg/kg, while the Hg concentration from 0.03 to 1.70 mg/kg. Concentration of metals accumulated in corals is greater than in seawater. Corals have a high tendency to accumulate metals, so they can be used as bioindicators to see the level of pollution in marine waters.
Co-Authors Aditya Hikmah Nugraha Aditya Hikmat Nugraha Ady Jufri Agus Putra AS Andri Irawan Asni Asni Dandi Saleky Devia Hartono Puteri Eldin, Hasan Essa Annisa Syadiah Fadhliyah Idris Hasan Eldin Adimu Hasidu, La Ode Abdul Fajar I Wayan Eka Dharmawan jafar, Maharani Juraij Juraij Lalang Lalang Lalang Lebrina Ivantry Boikh Maharani Maharani Maharani Mujizat Kawaroe Muta Ali Khalifa Mutmainnah Muchtar Neviaty P. Zamani Petrus C. Makatipu Putra, Risandi D Putri Cahyani Ramlah Ramlah Riska Riska Riska Riska Riska Riska Riska Riska Rohani Ambo Rappe Susi Rahmawati Susi Rahmawati Syahrial Syahrial Udhi E Hernawan Udhi E Hernawan