Program Studi Manajemen Sumberdaya Perairan, Jurusan Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ7026, author = {Legina Siregar and Sahala Hutabarat and Max Muskananfola}, title = {DISTRIBUSI FITOPLANKTON BERDASARKAN WAKTU DAN KEDALAMAN YANG BERBEDA DI PERAIRAN PULAU MENJANGAN KECIL KARIMUNJAWA}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {3}, number = {4}, year = {2014}, keywords = {Distibusi Fitoplankton; Menjangan Kecil; Nitzschia sp.}, abstract = { Fitoplankton merupakan organisme laut yang bebas melayang dan hanyut dalam laut yang memegang peranan penting sebagai produsen primer. Distribusi plankton di perairan bervariasi dipengaruhi kedalaman, hal ini dipengaruhi oleh jumlah cahaya yang diterima fitoplankton untuk kegiatan fotosintesis. Penelitian ini bertujuan untuk mengetahui komposisi dan kelimpahan fitoplankton berdasarkan waktu dan kedalaman yang berbeda. Metode yang digunakan adalah metode deskriptif dengan menggunakan pendekatan studi kasus. Hasil menunjukkan bahwa ada 20 genera fitoplanktondan ditemukan Nitzschia sp. pada setiap pengambilan sampel. Kelimpahan fitoplankton berdasarkan waktu diperoleh korelasi 0,715 bersifat positif dan 0,470 bersifat negatif, sedangkan kelimpahan fitoplankton berdasarkan kedalaman diperoleh korelasi sebesar 0,928 bersifat negatif dan 0,898 bersifat negatif. Berdasarkan hasil penelitian dapat disimpulkan bahwa perairan pulau Menjangan Kecil memiliki komunitas sedang dan tidak ada spesies yang mendominasi. Kelimpahan fitoplankton akan mengalami peningkatan pada saat siang hari dan menurun pada waktu sore hari, sedangkan kelimpahan fitoplankton akan mengalami penurunan pada setiap kedalaman. Phytoplankton is marine organism that drifts and floats freely in the sea having an important role as primary producers. Distributions of plankton in the water vary influenced by the depth; it is influenced by the amount of light received by Phytoplankton for photosynthesis. This study aimed to determine the composition and the abundance of phytoplankton based on different time and depths. Descriptive method was used by doing a case study approach in this study. The results consist of 20 genera of phytoplankton and Nitzschia sp. was found in each sampling. Phytoplankton abundances based on time obtained positive correlation of 0.715 and 0.470 were negative, while the abundance of phytoplankton based on the depth obtained negative correlation of 0.928 and 0.898 were negative. Based on the results of this study, it is concluded that The Menjangan Kecil Island waters has moderate communities and no species dominated. Phytoplankton abundance increased during the day and decreases in the afternoon, while the abundance of phytoplankton decrease at each depth. }, issn = {2721-6233}, pages = {9--14} doi = {10.14710/marj.v3i4.7026}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/7026} }
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Fitoplankton merupakan organisme laut yang bebas melayang dan hanyut dalam laut yang memegang peranan penting sebagai produsen primer. Distribusi plankton di perairan bervariasi dipengaruhi kedalaman, hal ini dipengaruhi oleh jumlah cahaya yang diterima fitoplankton untuk kegiatan fotosintesis. Penelitian ini bertujuan untuk mengetahui komposisi dan kelimpahan fitoplankton berdasarkan waktu dan kedalaman yang berbeda. Metode yang digunakan adalah metode deskriptif dengan menggunakan pendekatan studi kasus. Hasil menunjukkan bahwa ada 20 genera fitoplanktondan ditemukan Nitzschia sp. pada setiap pengambilan sampel. Kelimpahan fitoplankton berdasarkan waktu diperoleh korelasi 0,715 bersifat positif dan 0,470 bersifat negatif, sedangkan kelimpahan fitoplankton berdasarkan kedalaman diperoleh korelasi sebesar 0,928 bersifat negatif dan 0,898 bersifat negatif. Berdasarkan hasil penelitian dapat disimpulkan bahwa perairan pulau Menjangan Kecil memiliki komunitas sedang dan tidak ada spesies yang mendominasi. Kelimpahan fitoplankton akan mengalami peningkatan pada saat siang hari dan menurun pada waktu sore hari, sedangkan kelimpahan fitoplankton akan mengalami penurunan pada setiap kedalaman.
Phytoplankton is marine organism that drifts and floats freely in the sea having an important role as primary producers. Distributions of plankton in the water vary influenced by the depth; it is influenced by the amount of light received by Phytoplankton for photosynthesis. This study aimed to determine the composition and the abundance of phytoplankton based on different time and depths. Descriptive method was used by doing a case study approach in this study. The results consist of 20 genera of phytoplankton and Nitzschia sp. was found in each sampling. Phytoplankton abundances based on time obtained positive correlation of 0.715 and 0.470 were negative, while the abundance of phytoplankton based on the depth obtained negative correlation of 0.928 and 0.898 were negative. Based on the results of this study, it is concluded that The Menjangan Kecil Island waters has moderate communities and no species dominated. Phytoplankton abundance increased during the day and decreases in the afternoon, while the abundance of phytoplankton decrease at each depth.
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