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All Journal e-Journal BUDIDAYA PERAIRAN Journal of Fisheries & Marine
Sipriana S Tumembouw
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Environmental Science

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Laboratory analysis of ammonium and nitrate concentration of Malalayang Beach Waters Waropen, Laurina; Tumembouw, Sipriana S
e-Journal BUDIDAYA PERAIRAN Vol 3, No 1 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.3.1.2015.6936

Abstract

The purpose of the study was to measure the concentration of ammonium and nitrate of Malalayang Beach Waters. The water was sampling from three sampling stations that were considered to be representative for Malalayang Beach Waters. Methods of sampling techniques, descriptive field survey techniques and sampling locations, were performed at 3 places that were considered to represent the characteristics of Malalayang waters. The results of the Field Work Practice determined that this several sampling methods used sea water is one of Ammonium, point 1 by: 0.745 mg / L, point 2 of: 0.752 mg / L, point 3 of: 0,833 mg / L, while nitrate 1 point for: 4.8 mg / L, point 2 of: 2.7 mg / L, point 3 at: <0.5 mg / L. The conclusion is that the water quality is good for a body of water that is in a situation where the existing parameters in these waters can be maintained and controlled well and remains stable at all times so as to achieve an optimal state as a habitat for fish and for aquaculture.   Keyword: Sea water, Parameters, Analysis, Ammonium, Nitrate
Organochlorine Exposure Influences the Cellular Morphology of Red Algae Eucheuma denticulatum (N.L. Burman) Collins & Hervey, 1917 Tumembouw, Sipriana S; Rompas, Rizald M; Lumenta, Cyska; Paulus, James J H; Lasut, Markus T; Mantiri, Desy M H
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.57121

Abstract

Graphical Abstract   Highlight Research 1. The research demonstrates organochlorine influences the nanoparticle and the thickness of red algae cellulose. 2. SEM analysis with EDS visualization showed an accumulation of Chlorine (Cl) in the thallus of red alga. 3. This research is essential to prevent and reduce the disposal of organochlorines into the environment because they can accumulate in soil, water, and air. 4. The disposal of organochlorines can also remain for years in the environment, which in turn will accumulate in food chains and negatively affect ecosystems and marine animals.     Abstract Organochlorine compounds not only pollute marine waters but also interfere with the survival of marine biota. Organochlorine compounds absorbed by organisms disrupt metabolism and inhibit cellular functions. The implication of this research is to prevent and reduce the disposal of organochlorines into the environment because they can accumulate in soil, water, and air, remaining for years in the environment. This accumulation can affect food chains and negatively affect ecosystems and marine animals.This research aimed to investigate the impact of organochlorine content on the surface morphology and biomineral characteristics of the red alga E. denticulatum cells. Electron Microscope (SEM) analysis was used to observe particle morphology surfaces down to 1 nm, while Energy Dispersive Spectroscopy (EDS) was used to analyze the specimens' element composition and chemical characteristics. Energy Dispersive Spectroscopy (EDS) analysis revealed that red algae had the highest content of Chlorine (Cl) at 57.20%, followed by Sodium (Na) at 34.84%, Oxygen (O) at 5.21%, Calcium (Ca) at 1.64%, and the lowest element being Sulfur (S) at 1.11%. Overall, this research demonstrates the negative impact of organochlorine content on the morphological structure and biomineral composition of E. denticulatum, highlighting the need for effective measures to prevent and reduce organochlorine pollution in marine environments. Further research could focus on specific mechanisms of organochlorine toxicity and potential remediation strategies.  
Co-Authors Cyska Lumenta Laurina Waropen Mantiri, Desy M. H Markus T. Lasut Paulus, James Rompas, Rizald M