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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences
Hanif Budi Prayitno
Pusat Penelitian Oseanografi - LIPI, Jl. Pasir Putih 1 Ancol Timur, Jakarta 14430; Telp. (021) 64713850, Fax.(021) 64711948, Hp. 081578811106, e-mail : hani007@lipi.go.id
Earth & Planetary Sciences

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Kajian Zat Hara Fosfat, Nitrit, Nitrat dan Silikat di Perairan Kepulauan Matasiri, Kalimantan Selatan Fonny J.L Risamasu; Hanif Budi Prayitno
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 16, No 3 (2011): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (931.317 KB) | DOI: 10.14710/ik.ijms.16.3.135-142

Abstract

Penelitian zat hara fosfat, nitrit, nitrat dan silikat telah dilakukan di perairan Kepulauan Matasiri, Kalimantan Selatan pada 12 stasiun pengamatan. Penelitian bertujuan untuk mengetahui kondisi perairan berdasarkan ketersediaan dan distribusi spasial zat hara di perairan tersebut. Pengambilan sampel air menggunakan botol Niskin pada lapisan permukaan dan dekat dasar perairan, sedangkan pengukuran konsentrasi zat hara menggunakan Spektrofometer Shimadzu UV-1201V. Hasil penelitian menunjukkan bahwa perairan Kepulauan Matasiri termasuk perairan yang subur. Rata-rata konsentrasi fosfat di permukaan dan di dekat dasar perairan relatif sama, sedangkan konsentrasi nitrit, nitrat dan silikat lebih tinggi di dekat dasar perairan dari pada di permukaan.  Kata kunci:  Fosfat, Nitrit, Nitrat, Silikat, Kepulauan Matasiri. A research on marine nutrients including phosphate, nitrite, nitrate and silicate was conducted in the Matasiri Islands waters, South Kalimantan, on 12 observation stations. The aim of the research is to understand and assess the waters condition based on the availability and the spatial distribution of nutrients in these waters. Water sampling used Niskin bottles in the surface and near bottom layers, whereas the measurement of nutrients concentration used spectrophotometer Shimadzu UV-1201V. The results showed that Matasiri Islands waters is categorized as fertile waters. The average concentration of phosphate in surface and near bottom layers were relatively similar, whereas the average concentration of nitrite, nitrate and silicate were higher in near bottom layer than in the surface.  Key words: phosphate, nitrite, nitrate, silicate, Matasiri Islands.
Co-Authors Fonny J.L Risamasu