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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Kelautan Tropis Akuatik: Jurnal Sumberdaya Perairan Journal of Tropical Marine Science Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Jurnal Riset Kelautan Tropis (J-Tropimar) Scientific Timeline
Pamungkas, Aditya
Department Of Marine Science, Universitas Bangka Belitung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Environmental Science

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Sebaran Nitrat dan Kelimpahan Fitoplankton di Pantai Tanah Merah dan Pulau Semujur Muh. Yusuf; Aditya Pamungkas; Mu’alimah Hudatwi; Irvani
Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Vol 2 No 2 (2020): November
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/jrkt.v2i2.45

Abstract

The waters of Tanah Merah beach waters and Semujur Islands waters are both located in Bangka Tengah Regency. Geographically it can be indicated Tanah Merah is quite far from residential areas, while the other locations are in the inhabited small island waters (Semujur). These different geographical conditions can cause the content of nitrate nutrients to be different because the main source of nitrate nutrients comes from human activities. High nitrate nutrients will affect the abundance of phytoplankton in local waters. This study aims to determine the value and nitrate in relation to the abundance of phytoplankton in the sea. Moreover this research was applied in Tanah Merah beaches waters and Semujur Island waters, Bangka Tengah Regency, from February to April 2020. The results shown that the nitrate content in Tanah Merah beaches waters was 0.011-0.026 mg/LT (St.1-St.4) which was lower compared of 0.046-0.10 mg/L (St.9-St.12) at Semujur Island waters. Phytoplankton abundance data and Species Diversity Index (H ') show that the Tanah Merah beaches waters are 111,000-134,000 cells/L and the H' index is 2.06-2.16 lower than the phytoplankton abundance data in Semujur Island waters of 110,000 - 208,000 cells/L and the H 'index of 2.22-2.29. Others evident to support that data are the current velocity in Tanah Merah beaches waters ranges from 0.014-0.21 m/s less than Semujur Island waters at 0.22-0.32 m/s.
Sebaran Partikel Tersuspensi, Partikel Terlarut dan Laju Sedimentasi di Teluk Kelabat Luar, Area Pengaruh Penambangan Timah Indra Ambalika; Umroh; Mohammad Agung Nugraha; Aditya Pamungkas; Eva Utami; Irma Akhrianti; Mualimah Hudatwi; Suci Puspita Sari; Titin Marfuah
Scientific Timeline Vol. 1 No. 2 (2021)
Publisher : UNU Purwokerto

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Abstract

Water turbidity will impact how far the level of distribution of suspended and dissolved particles will affect the life of marine biota. This study aimed to determine the distribution of suspended and dissolved particles in the waters of Teluk Kelabat Luar. Water sampling was carried out in July 2019, representing the east monsoon. Determination of the water sampling location was by purposive sampling method, and then the data were analyzed descriptively. The results showed that the concentration of total suspended solids (TSS) on the surface (1 m) of Teluk Kelabat Luar has the highest concentration at point 4 (KL 4) with TSS concentrations in the range of 36,5 mg/L and point 14 (KL 14) in the range of 34,0 mg/L. Point 4 was the post-tin mining location. From this, it could be seen that the waters are still affected even after mining activities, namely the high concentration of TSS. The analysis of total dissolved solids (TDS) showed the highest concentration at point 12 (KL 12). The sedimentation rate in Teluk Kelabat Luar is in the medium-severe category, which is around 1,92 mL/hour. The results showed that mining had a tremendous effect on the level of suspended particles in the waters.
Co-Authors Adibrata, Sudirman Agung Priyambada Dwi Riska Zulkia Eva Utami Hudatwi, Mu’alimah Indra Ambalika Indra Ambalika Syari Irma Akhrianti Irma Akhrianti Irvani, Irvani Irvani, Irvani Josaphat Tetuko Sri Sumantyo Kasi Sastra Kurniawan Salim M Rizza Muftiadi Maulinda Huzairiah Mohammad Agung Nugraha Mohammad Agung Nugraha Mualimah Hudatwi Muh. Yusuf Muhammad Yusuf Mu’alimah Hudatwi Mu’alimah Hudatwi Mu’alimah Hudatwi Salmia Septiani Siska Oktavia Siti Aisyah Suci Puspita Sari Suci Puspita Sari Titin Marfuah Umroh Umroh Umroh Wahyu Adi Wahyu Adi Yusuf, Muh.