Kajian Pencemaran  Perairan Pulau Panjang, Jepara Berdasarkan Indeks Saprobik dan Komposisi Fitoplankton

Supriyantini, Endang; Munasik, Munasik; Sedjati, Sri; Wulandari, Sri; Ridlo, Ali; Mulya, Eka Sasmita

doi:10.14710/buloma.v9i1.27276

Cited by 6 publications

(5 citation statements)

References 0 publications

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“…Studi perifitik terbaru di perairan Pulau Panjang berfokus pada diatom atau fitoplankton yang berada di perairan dan hubungannya dengan pencemaran perairan. Diatom yang berada pada kelas Bacillariophyceae dalam jumlah banyak menandalan bahwa perairan termasuk ke dalam pencemaran tingkat ringan (Supriyantini et al, 2020). Dalam penelitian ini, akan dilakukan kolonisasi dan suksesi awal diatom pada komunitas perifitik.…”

Section: Pendahuluanunclassified

Perkembangan Diatom Perifiton Pada Substrat Buatan di Perairan Pulau Panjang, Jepara

Aufar,

Sabdono,

Wijayanti

et al. 2023

J. Kel. Trop.

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Degradation of marine waters in Panjang Island is increasing resulting in high production of benthic periphyton. Procurement of hard substrate as material for artificial reefs is one of the efforts to see the succession pattern of benthic periphyton microscopically. The purpose of this study was to determine the differences in the abundance and composition of diatoms in geopolymer concrete and ordinary concrete substrates. The method used is the field experimental method, immersing different concrete substrates, namely geopolymer concrete (BA) and ordinary concrete (BT) in the sea waters of Panjang Island at a depth of 3 m for 2 months. Periphyton growth on the substrate was observed microscopically using the Scanning Electronic Microscope (SEM) method. Observations were made at immersion time of 1 day (T1), 7 days (T2), 14 days (T3), 28 days (T4), and 56 days (T5). The results showed that there were differences in the development of Periphyton Diatoms between geopolymer (BA) and ordinary concrete (BT) substrates. On both substrates, periphyton growth was found starting from the observation of soaking for 1 day. The density and diversity of periphyton on the BA substrate was higher than that of the BT substrate, with a density of 2535 cell cm-2 and 73 cell cm-2, respectively, and the diversity of H'Shanon Wiener was 4.07 and 0.33. The benefit of this research is to determine the initial succession of biofilm formation on artificial substrates as a building material for artificial reefs for coral reef restoration programs, especially in marginal reef conditions. Degradasi perairan laut di Pulau Panjang semakin meningkat mengakibatkan produksi perifiton bentik yang tinggi. Pengadaan substrat keras sebagai bahan terumbu buatan menjadi salah satu upaya untuk melihat pola suksesi perifiton bentik secara mikroskopis. Tujuan dilakukannya penelitian ini untuk mengetahui perbedaan kelimpahan dan komposisi diatom pada substrat beton geopolimer dan beton biasa. Metode yang digunakan yaitu metode eksperimental lapangan, dilakukan perendaman substrat beton yang berbeda yaitu beton geopolymer (BA) dan beton biasa (BT) di perairan laut pulau Panjangdi pada kedalaman 3 m selama 2 bulan. Pertumbuhan perifiton pada substrat diamati secara mikroskopis menggunakan metode Scanning Electronic Microscope (SEM). Pengamatan dilakukan pada lama perendaman 1 hari (T1), 7hari (T2), 14 hari (T3), 28 hari (T4), dan 56 hari (T5). Hasil penelitian menunjukkan ada perbedaan Perkembangan Diatom Perifiton antara substrat geopolymer (BA) dan beton biasa (BT). Pada ke dua substrat dijumpai pertumbuhan perifiton mulai pengamatan perendaman selama 1 hari. Densitas dan keragaman perifiton pada substrat BA lebih tinggi daripada substrat BT yaitu masing-masing dengan densitas 2535 sel cm-2 dan 73 sel cm-2, dan keragaman H’Shanon Wiener sebesar 4,07 dan 0,33. Manfaat dari penelitian ini adalah untuk mengetahui suksesi awal pembentukan biofilm pada substrat buatan sebagai bahan penyusun terumbu buatan untuk program restorasi terumbu karang khususnya pada kondisi terumbu marginal.

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Section: Pendahuluanunclassified

Perkembangan Diatom Perifiton Pada Substrat Buatan di Perairan Pulau Panjang, Jepara

Aufar,

Sabdono,

Wijayanti

et al. 2023

J. Kel. Trop.

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“…In Tuban area, the highest relative abundance was Chaetoceros (54% and 34%) from water column and macroalgae, respectively; Navicula (46%) on rocks; and Synedra and Navicula (44%) in sediment. Chaetoceros is commonly found in both the water column and seaweed due to its cell structure forming chains or groups, resulting in a low sinking rate and reduced predation by herbivorous predators preferring microalgae with higher sinking rates (Supriyantini et al, 2020). Meanwhile, Navicula is frequently found on rocks and in sediments due to its adhesive nature, with a gelatinous-like substance that aids substrate adhesion (Kurnia et al, 2020).…”

Section: Composition Abundance and Relative Abundance Of Microalgaementioning

confidence: 99%

Marine Microalgae Assemblages of the East Java Coast Based on Sub-Habitats Representatives and Their Relationship to the Environmental Factors

Mahmudi,

Arsad,

Musa

et al. 2023

J. Ecol. Eng.

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The East Java coast has biodiversity potential, including microalgae. Microalgae are primary producers for the aquatic ecosystem, whose distribution depends on water quality parameters and sub-habitat characteristics. The purpose of this study was to analyse and identify the microalgae, as well as environmental quality parameters based on sub-habitat characteristics in the northern part of the East Java coast, Indonesia. The research was conducted from March to June 2023. Sample sites were determined using purposive sampling techniques at nine sites located in Gresik, Lamongan, and Tuban coasts. Water samples were collected from various sub-habitats, including the water column, sediments, rocks, mangroves, artificial substrates, macroalgae, and water plants consisting of water hyacinth (Eichhornia crassipes) and Coontail (Ceratophyllum demersum). The obtained results depicted microalgae found were from Bacillariophyceae, Chlorophyceae, Chrysophyceae, Coscinodiscophyceae, Cyanophyceae, Dinophyceae, Trebouxiophyceae, and Zygnematophyceae. Bacillariophyceae dominated the community in all sites. The expected outcome of this study is to provide and complete the database of microalgae morphologically based on sub-habitat characteristics, particularly on the north coast of East Java, Indonesia.

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“…Kelompok Bacillaryophyceae atau yang dikenal juga dengan Diatom dapat mudah ditemukan pada berbagai kondisi perairan (Dahlan et al, 2020). Hal tersebut juga didukung oleh karakteristik morfologinya yang mempunyai adaptasi bentuk seperti tangkai, tabung, dan berbagai bentuk simetris lainnya yang mampu memperluas permukaan tubuhnya untuk tetap berada di kolom permukaan air (Supriyantini et al, 2020).…”

Section: Hasil Dan Pembahasanunclassified

Struktur Komunitas Fitoplankton sebagai Indikator Kualitas Air di Kali Mas Kota Surabaya

Fadilah¹,

Jawwad²,

Nisa’³

2022

Bioscientist j. ilm. bosbiol.

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Phytoplankton is an aquatic organism that is sensitive to environmental changes. Kali Mas is one of the rivers that passes through the city of Surabaya, and is a source of water needs for various domestic and industrial needs. The purpose of this study was to determine the status of Kali Mas water quality based on the phytoplankton community structure, which includes: diversity, abundance, evenness, dominance, and saprobic index. The method used in this study is purposive sampling. Water and phytoplankton samples were taken from 5 stations along the Kali Mas flow. The identification results of the phytoplankton found consisted of 10 classes, which consisted of: Bacillariophyceae (44.19%); Chlorophyceae (6.33%); Chrysophyceae (0.26%); Cyanophyceae (24.9%); Conjugatophyceae (7.49%); Dinophyceae (2.84%); Fragilariophyceae (1.29%); Trebouxiophyceae (8.14%); Ulvophyceae (3.18%); and ‎Xanthophyceae (0.65%). Diversity index ranged from 2.35-2.96; evenness index 0.72-0.87; and the dominance index is in the range of 0.05-0.148. Meanwhile, based on the saprobic index, Kali Mas is at 1.05. This value indicates the condition of Kali Mas waters is in β - Meso/oligosaprobic conditions with a mild level of pollution.

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Kajian Pencemaran Perairan Pulau Panjang, Jepara Berdasarkan Indeks Saprobik dan Komposisi Fitoplankton

Cited by 6 publications

References 0 publications

Perkembangan Diatom Perifiton Pada Substrat Buatan di Perairan Pulau Panjang, Jepara

Perkembangan Diatom Perifiton Pada Substrat Buatan di Perairan Pulau Panjang, Jepara

Marine Microalgae Assemblages of the East Java Coast Based on Sub-Habitats Representatives and Their Relationship to the Environmental Factors

Struktur Komunitas Fitoplankton sebagai Indikator Kualitas Air di Kali Mas Kota Surabaya

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