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Kandungan Karbon Pada Serasah Excoecaria agallocha di Muara Sungai Tanggul, Desa Sungai Nibung, Kubu Raya Mardianto, Tomi; Safitri, Ikha; Sofiana, Mega Sari Juane; Farhaby, Arthur Muhammad; Apriansyah, Apriansyah; Warsidah, Warsidah
Oseanologia Vol 3, No 3 (2024): Desember
Publisher : Program Studi Ilmu Kelautan FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jose.v3i3.87018

Abstract

Mangroves play a vital role in maintaining environmental, providing habitat for various organisms, and protecting coastal areas from abrasion. In addition, mangroves function as carbon sinks, where a portion of the captured carbon used for energy, and the others stored in plant stuctures. Thus, mangroves significantly contribute to climate change mitigation through carbon sequestration. This study aims to determine the carbon content of mangrove litter from Excoecaria agallocha species in the estuary of Sungai Tanggul, Sungai Nibung Village. Kubu Raya, West Kalimantan. The types of litter measured include leaves, fruits, twigs, and flowers, which were collecter using litter traps. The results showed the total carbon content of the litter was 7.49 tons/ha/year. The largest contribution from leaves litter (5.49 tons/ha/year), followed by twigs (1.90 tons/ha/year), and fruits (0.10 tons/ha/year),while flowers had an insiginificant carbon content.
Struktur Komunitas Makrozoobentos di Setapuk Besar Kalimantan Barat Ramadhan, Bayu; Minsas, Sukal; Sofiana, Mega Sari Juane
Akuatiklestari Vol 7 No 2 (2024): Jurnal Akuatiklestari
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Ilmu Kelautan dan Perikanan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/akuatiklestari.v7i2.5025

Abstract

Penelitian ini bertujuan untuk mengetahui kelimpahan dan keanekaragaman makrozoobentos di Setapuk Besar, Singkawang, Kalimantan Barat. Penelitian ini dilakukan pada bulan April – Juni 2022. Penentuan stasiun penelitian dilakukan dengan metode purposive sampling, berdasarkan rona lingkungan. Stasiun I berada di pemukiman, Stasiun II berada di dermaga kapal, dan Stasiun III berada jauh dari pemukiman dan dermaga kapal. Makrozoobentos diambil dari sampel sedimen. Sedimen diambil dengan coring berdiamater 2,5 inchi sedalam 40 cm. Hasil penelitian menunjukkan bahwa komposisi makrozoobentos yaitu 4 kelas dan 18 jenis. Kisaran indeks keanekaragaraman makrozoobentos 1,5-2,0 dikategorikan sedang, indeks keseragaman makrozoobentos 0,77-0,96 dikategorikan tinggi, indeks dominansi makrozoobentos 0,14-0,32 dikategorikan sedang.
Investigating Species Composition and Abundance of Marine Microalgae from Temajo Island Waters, West Kalimantan, Indonesia Safitri, Ikha; Kushadiwiojayanto, Arie Antasari; Sofiana, Mega Sari Juane; Nguyen, Duc-Hung; Adjout, Rebiha
Jurnal Biodjati Vol 9, No 2 (2024): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v9i2.38028

Abstract

Temajo Island is renowned for its marine tourism activities and is home to a range of organisms, including algae. Microalgae serve as indicator species, offering insights into the aquatic environment through their species composition and abundance. This study aims to provide preliminary data on the abundance and some ecological indices (diversity, evenness, and dominance) of microalgae on Temajo Island, which will be the basis for assessing water conditions and supporting conservation efforts and sustainable management of natural resources. The research was carried out at four stations with different characteristics. At each station, surface water samples were collected using a plankton net. The microalgae in these samples were subsequently examined under a microscope, and their quantities were measured. The microalgae abundance ranged from 2.84 to 7,697.14 ind/L, with an average of 193.34 ind/L. Chaetoceros was the most abundant genus, followed by Rhizosolenia, Guinardia, Thalassiosira, Pseudo-nitzschia, and Bacteriastrum. The diversity index (H’) ranged from 2.67 to 3.08, indicating moderate to high species richness, while the evenness index (E) ranged from 0.64 to 0.74, reflecting a high level of uniformity among microalgae populations. The dominance index (C) varied between 0.11 and 0.20, suggesting low dominance by any single genus. These indices collectively indicate a balanced and diverse microalgae community, underscoring the ecological health and stability of the Temajo Island waters. Preliminary information about the species composition and abundance of marine microalgae in this study provides valuable insights into the dynamics of microalgae populations and their ecological implications in the marine ecosystems of Indonesia.
Assessing Coral Reef Health in Northern Waters of Penata Besar Island West Kalimantan Bariah, Anisah; Safitri, Ikha; Nurrahman, Yusuf Arief; Sofiana, Mega Sari Juane; Helena, Shifa; Faizal, Ibnu
Jurnal Biodjati Vol 9, No 2 (2024): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v9i2.38146

Abstract

Penata Besar Island is designated as one of the Coastal and Small Island Conservation Areas (KKP3K) in West Kalimantan, is a critical site for conserving coral reefs and reef fish. Currently, global climate change and anthropogenic activities have exacerbated coral reef bleaching worldwide. In the context of escalating global climate change and human-induced threats, this study evaluates the health condition of coral reefs in the northern waters of Penata Besar Island, Bengkayang Regency. An exploratory approach was employed, utilizing the Line Intercept Transect (LIT) method across four stations at two distinct depths (2-3 m and 5-6 m). The results revealed that coral cover varied with depth. At a depth of 2-3 m, live coral coverage was between 51.2% and 62.4%, classified as good, while at 5-6 m, coverage ranged from 30.4% to 49.4%, categorized as fair. Coral Massive (CM) was the predominant growth form observed. The diversity index (H') ranged from low to medium, the Evennes index (E) from medium to high, and the dominance index (C) was categorized as low. These findings highlight the varying health of coral reefs in different depths and provide a basis and essential insights for targeted conservation efforts.
Seaweed Diversity in the Waters of Pantai Tanjung Api Paloh West Kalimantan Safitri, Ikha; Warsidah, Warsidah; Sofiana, Mega Sari Juane
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Paloh, one of West Kalimantan's conservation areas, has a high biodiversity of marine resources, including seaweed. Seaweed has an important ecological role, such as increasing primary productivity, providing dissolved oxygen, as a food source, and as a habitat for several aquatic organisms. In addition, seaweed contains various bioactive compounds that have the potential to be used in various industrial fields. This research aimed to identify the variety of seaweed in the waters of Pantai Tanjung Api, Paloh District, Sambas Regency, West Kalimantan. Based on the abundance of seaweed, the sampling site was chosen. A quadratic transect measuring 10x10 m2 was used for the collection. Four seaweed genera were discovered, including Acetabularia, Ulva, Padina, and Sargassum. Ulvophyceae and Phaeophyceae had the same percentage contribution. The species abundance varied between 1.04-26.75 ind/m2, where Padina had the highest value. Paloh has a low level of seaweed diversity, high uniformity, and a low dominance index.
Seaweed Diversity in the Waters of Pantai Tanjung Api Paloh West Kalimantan Safitri, Ikha; Warsidah, Warsidah; Sofiana, Mega Sari Juane
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Paloh, one of West Kalimantan's conservation areas, has a high biodiversity of marine resources, including seaweed. Seaweed has an important ecological role, such as increasing primary productivity, providing dissolved oxygen, as a food source, and as a habitat for several aquatic organisms. In addition, seaweed contains various bioactive compounds that have the potential to be used in various industrial fields. This research aimed to identify the variety of seaweed in the waters of Pantai Tanjung Api, Paloh District, Sambas Regency, West Kalimantan. Based on the abundance of seaweed, the sampling site was chosen. A quadratic transect measuring 10x10 m2 was used for the collection. Four seaweed genera were discovered, including Acetabularia, Ulva, Padina, and Sargassum. Ulvophyceae and Phaeophyceae had the same percentage contribution. The species abundance varied between 1.04-26.75 ind/m2, where Padina had the highest value. Paloh has a low level of seaweed diversity, high uniformity, and a low dominance index.
Mangrove Litterfall and Its Carbon Contribution: A Study on Coastal Carbon Reserves in Sungai Nibung Village, West Kalimantan Sofiana, Mega Sari Juane; Safitri, Ikha; Mardianto, Tomi; Farhaby, Arthur Muhammad
Jurnal Kelautan Tropis Vol 28, No 1 (2025): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v28i1.25902

Abstract

Mangroves play an essential ecological roles, such as providing habitats for various organisms and contributing to reducing CO2 emissions from human activities. These emissions are one of the main causes of global warming and climate change. This study aims to analyze the litter production rate and carbon content of mangrove litter in Sungai Nibung Village, Kubu Raya Regency, West Kalimantan. Sampling of mangrove litter was conducted for 14 days using a 1x1 m2 litter trap with a mesh size of 0.2 cm. The litter traps have been placed in 9 stations. Litter samples were collected on the 7th and 14th days, including parts of mangroves (leaves, twigs, flowers, and fruits) that naturally fell. Result of the study showed the total litter production rate ranged from 4.95 to 30.07 tons/ha/year, and the findings reveal a clear hierarchy in litter production with the composition being leaves > twigs > propagules/fruits > flowers. Leaves litter production rate is notably high, followed by twigs which represent the second-largest portion, then fruits, and flowers. Meanwhile, the total carbon content varied across sampling station, accounting for 2.30–23.59 tons/ha/year. This research provides essential baseline data for Sungai Nibung Village and highlights the potential of mangroves as significant carbon sinks. The results can be utilized for ecosystem-based coastal management and mangrove restoration aligned with regional environmental policies.
Nutritional value of mangrove snails Littoraria melanostoma from Desa Bakau West Kalimantan Sofiana, Mega Sari Juane; Safitri, Ikha; Nurdiansyah, Syarif Irwan; Oktavia, Oktavia
Arwana: Jurnal Ilmiah Program Studi Perairan Vol 6 No 1: May 2024
Publisher : Program Studi Akuakultur, Fakultas Pertanian, Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jipsbp.v6i1.2500

Abstract

Desa Bakau Village is a coastal area in Sambas Regency, West Kalimantan, which has the potential for mangrove forests with a high level of diversity. The mangrove ecosystem is a habitat for various types of biota, such as gastropods, generally known as snails. People often consume multiple gastropods using different processing methods. The nutritional content of the gastropods consumed by the people of Desa Bakau is not yet known. Therefore, this study aims to determine the nutritional composition of a gastropod from Desa Bakau (Littoraria melanostoma), including carbohydrates, protein, fat, ash content, water content, and minerals. Sampling was carried out in August 2022 in the mangrove area of Desa Bakau using the exploration method. Determination of nutritional content is carried out by referring to AOAC (2005). Proteins were analyzed by the Kjeldahl method. Fat was analyzed using the Soxhlet method. Macrominerals (Na, K, Mg, Ca, and P) were determined using an Atomic Absorption Spectrophotometer (AAS). The nutritional content of Littoraria melanostoma is water content (1.51%), ash content (22.81%), protein (49,00 %), fat (3.60%), and carbohydrates (23.08%). The highest macromineral in Littoraria melanostoma is calcium at 71.38%. Thus, this mangrove snail can be used as a good alternative source of animal protein for human consumption at a relatively affordable price.
Investigating Species Composition and Abundance of Marine Microalgae from Temajo Island Waters, West Kalimantan, Indonesia Safitri, Ikha; Kushadiwiojayanto, Arie Antasari; Sofiana, Mega Sari Juane; Nguyen, Duc-Hung; Adjout, Rebiha
Jurnal Biodjati Vol 9 No 2 (2024): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v9i2.38028

Abstract

Temajo Island is renowned for its marine tourism activities and is home to a range of organisms, including algae. Microalgae serve as indicator species, offering insights into the aquatic environment through their species composition and abundance. This study aims to provide preliminary data on the abundance and some ecological indices (diversity, evenness, and dominance) of microalgae on Temajo Island, which will be the basis for assessing water conditions and supporting conservation efforts and sustainable management of natural resources. The research was carried out at four stations with different characteristics. At each station, surface water samples were collected using a plankton net. The microalgae in these samples were subsequently examined under a microscope, and their quantities were measured. The microalgae abundance ranged from 2.84 to 7,697.14 ind/L, with an average of 193.34 ind/L. Chaetoceros was the most abundant genus, followed by Rhizosolenia, Guinardia, Thalassiosira, Pseudo-nitzschia, and Bacteriastrum. The diversity index (H’) ranged from 2.67 to 3.08, indicating moderate to high species richness, while the evenness index (E) ranged from 0.64 to 0.74, reflecting a high level of uniformity among microalgae populations. The dominance index (C) varied between 0.11 and 0.20, suggesting low dominance by any single genus. These indices collectively indicate a balanced and diverse microalgae community, underscoring the ecological health and stability of the Temajo Island waters. Preliminary information about the species composition and abundance of marine microalgae in this study provides valuable insights into the dynamics of microalgae populations and their ecological implications in the marine ecosystems of Indonesia.
Analisis Kandungan Proksimat dan Mineral Esensial Dari Gastropoda Turbo setosus asal Perairan Pulau Lemukutan, Kalimantan Barat Hasanah, Fadiah Amalia; Warsidah, Warsidah; Safitri, Ikha; Sofiana, Mega Sari Juane; Nurdiansyah, Syarif Irwan
Oseanologia Vol 2, No 2 (2023): Agustus
Publisher : Program Studi Ilmu Kelautan FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jose.v2i2.61471

Abstract

Turbo setosus is a species of the gastropod class that has a wavy shell with circular lines on its surface. Because it is easy to find, this type of snail is widely used in the food sector. The nutritional value of Turbo setosus is also high so it has economic value. Proximate analysis and essential minerals are useful to determine the nutritional value contained. Gastropods were extracted using Soxhlet at a certain temperature to measure moisture content, fat content, ash content, and carbohydrates. To find out the number of carbohydrates, the by difference method is used. Meanwhile, to find out the amount of minerals contained using the Atomic Absorption Spectrophotometry (AAS) method.
Co-Authors . Apriansyah A.A. Ketut Agung Cahyawan W Ade Hidayat, Ade Adelita, Kristina Adjout, Rebiha Agustina, Sella Alfadzri, Andry Amelia, Debie Rizky Amriani Amir Andryani, Semi Anisa Mulyani Anthoni B. Aritonang Antonia, Rika Apriansyah Ardiansyah, Lani Arie A. Kushadiwijayanto Arie Antasari Kushadiwijayanto Arie Antasari Kushadiwijayanto Arie Antasarie Kushadiwijayanto Arief Nurrahman, Yusuf Aritonang, Anthoni B. Aritonang, Anthoni Batahan Ashari, Asri Mulya Asri Mulya Ashari Asri Mulya Azhari Aswandi Aswandi, Aswandi Awlia, Isti Bambang Kurniadi Bambang Kurniadi, Bambang Bariah, Anisah Cahyany, Brigita Sari Kusuma Caksana, Muhamad Uwais Calvin, Silvanus Desriani Lestari Desriani Lestari Dewi Kartika Putri Diah Wulandari Rousdy Dwi Gusmalawati Edwin Elfrida Ratnawati Enjella, Enjella Fadhilah, Wardatul Faizal, Ibnu Farhaby, Arthur M Ginting, Madi Juna Permalem Harianto Harianto Harianto Hasanah, Fadiah Amalia Helena, Shifa Hermawansyah, Hermawansyah Hutagaol, Yakub Taruli Septanto Idiawati, Nora Sari Ihsan, Nur Ramadhani Ikha Ikha Safitri Ikha Safitri Irawan, Suhardi Irwan Nurdiansyah, Syarif Jannati Jannati Jannati Jannati Jayanti, Ucy Jumlia Juniarti Juniarti Karina Elwanda Saputri Kristina Adelita Kurnia Utami Kurniawan Alam Muza’ki Kushadiwijayanto , Arie Antasari Kushadiwijayanto, Arie A. Kushadiwijayanto, Arie Antasari Kushadiwiojayanto, Arie Antasari Kusumardana, Setra Lestari, Desriani Listy, Irma Lucky Hartanti Lucky Hartanti Lucky Hartanti Lucky Hartanti, Lucky Maharani, Ema Mardianto, Tomi Mardini, Delvia Devi Maser, Agnes Putri Maulana, Adrian Maunala, Adrian Melia Trianasta Minarti, Sukal Minsas, Sukal Mohammad Reza Monica, Gracelia Muhardi Neva Satyahadewi Nguyen, Duc-Hung Nora Idiawati Nora Idiawati Nora Idiawati Nora Idiawati Nora Idiawati Noyanti, Resti Nurdiansyah , Syarif Irwan Nurdiansyah, Sy. Irwan Nurdiansyah, Syarif Irwan Nurhidayanti Nurhidayanti, Nurhidayanti Nurrahman , Yusuf Arief Oktavia Oktavia Oktavia Oktavia Pamela Pamela Prayitno, Dwi Imam Puji Ardiningsih Puji Ardiningsih Qodriati, Tuty Raden Mohamad Herdian Bhakti Rahmat, Muhammad Farhan Ramadhan, Bayu Ramajenny, Layla Shinta Rembulan, Rindu Renny Puspita Sari Retno, Mayang Sari Risko, Risko Rita Kurnia Apindiati Riza Adriat Riza Linda Robi, Robi Rudiyanto Rudiyanto, Rudiyanto Ruqiah Ganda Putri Panjaitan Sakina, Haiwatus Saputri, Karina Elwanda Sari, Nur'azizah Fatika Sihotang, Nesya Lia Sofiana Sofiana Suhardi Irawan Sukal Minsas Sukal Minsas Sukmajaya, Andira Sumarni, T. Novi Suparnawati Suparnawati Suparnawati, Suparnawati Surya Darma Susanto, Hendro Susrini, Putri Dahyu Sy Irwan Nurdiansyah Sy Irwan Nurdiansyah Sy. Irwan Nurdiansyah Syarif Irwan Nurdiansyah Syarif Irwan Nurdiansyah Tahirah Hasan Taufik Nurcahyanto Tengku Riza Zarzani N Tia Nuraya Triono, Riski Uray Ristian Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah Warsidah, W. Warsidah, Warsidah Wenisda, Fransiska Monita Yudhoyono, Billget Mansirit Yuli, Yulianti Yulianti, Yuli Yuliono, Agus Yusuf A. Nurrahman Yusuf Arief Nurrahman Zainal Zainal Zulfian Zulfian