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TYPE AND ABUNDANCE OF PLANKTONIC DIATOMS IN RANGSANG BARAT WATERSDISTRICT MERANTI ISLAND RIAU PROVINCE Mery Mery; Joko Samiaji; Sofyan Husein Siregar
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Abstract Planktonic diatoms are plant-based microorganisms that live floating in the  water column, relatively lacking in motion and their presence is influenced by water quality and able to photosynthesize. This research was carried out in May 2018 in the waters of Rangsang Barat Meranti Islands Regency, Riau Province. This study aims to find out the type and abundance of planktonic diatomsin the waters of Rangsang Barat.The method used in this study was the survey method. Planktonic diatom sampling was using plankton net No. 25. The results of this study showed that the type and abundance of planktonic diatoms in Rangsang Barat waters at each station was different. The type most often type found at each station was the species Coscinodiscus sp.and Thalassiosira sp.The most rarely found species wereThalassionema sp. and Synedra sp. The highest abundance of planktonic diatoms was found at station II, in which reaches at 261.57 ind / l while the lowest was at station III with the value 48.61 ind / l. Based on the results of thetest One-Way, the  Anovaabundance of planktonic diatoms showed a significance value of> 0.05 i. e. 0.016, indicating the abundance of planktonic diatoms was significantly different. Keywords: Diatoms, Type, Abundance, Rangsang Barat Waters
Faktor Yang Mempengaruhi Perilaku Pencegahan Covid-19 Di Pasar Rakyat Mery Mery; Rara Marisdayana; Renny Listiawaty
Lontara Journal of Health Science and Technology  Vol 4 No 1 (2023): Ilmu dan Teknologi Kesehatan
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Politeknik Kesehatan Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53861/lontarariset.v4i1.345

Abstract

COVID-19 is still a pandemic throughout the country. The spread of COVID-19 is influenced by community activities, namely one market that has a high potential for the space of COVID-19, which must be a concern when health practices are implemented. The purpose of this study is to find out what factors influence COVID-19 prevention behavior. This research is quantitative research with a cross-sectional research design. The population in this study were all traders in the Pasir Putih People's Market, South Jambi District, Jambi City, totaling 132 people, and sampling was done using purposive sampling. In this study, the analysis was carried out univariately and bivariate by using the Chi-Square test, and the research instrument was a questionnaire. The results showed that there was a relationship between knowledge (p = 0.006), attitude (p = 0.000), facilities and infrastructure (p = 0.002), and the behavior of COVID-19 prevention at the Pasir Putih People's Market, South Jambi District, Jambi City in 2022, and there was no relationship between social support (p = 0.097) and COVID-19 prevention behavior. This study found that knowledge, attitudes, facilities, and infrastructure are closely related to the behavior of COVID-19 prevention at the Pasir Putih People's Market, South Jambi District, Jambi City.