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Contact Name
Ichsan Setiawan
Contact Email
ichsansetiawan@usk.ac.id
Phone
+6285220189228
Journal Mail Official
depik@usk.ac.id
Editorial Address
Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia
Location
Kab. aceh besar,
Aceh
INDONESIA
Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan
ISSN : 20897790     EISSN : 25026194     DOI : 10.13170/depik
Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan is a peer review international journal, this journal is publishing high-quality articles in aquatic sciences and fisheries in general. The aim of the journal is to publish and disseminate the current or new findings of the research, and give a significant contribution to the development of fisheries and aquatic sciences in several topics, but not limited to: Fisheries (Aquaculture, Capture Fisheries, Fish Processing) Aquatic Ecology (Freshwater, Marine, and Brackishwater) Aquatic Biology (Fish, Mollusk, Crustacean, Plankton, Coral reefs) Oceanography
Articles 944 Documents
Hubungan panjang berat dan faktor kondisi tiram (Crassostrea gigas) di Kawasan Estuari Tibang dan Ulee Lheue, Kota Banda Aceh Lili Kasmini; Termala A. Barus; Muhammad A. Sarong; Miswar B. Mulya
Depik Vol 7, No 1 (2018): April 2018
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1348.436 KB) | DOI: 10.13170/depik.7.1.9594

Abstract

Study on the length-weight relationships and condition factors of oyster (Crassostrea gigas) has been done in Tibang and Ulee Lheue estuary areas, Banda Aceh for 4 months starting from July to October 2017. The objective of the study was to observe the condition of oysters in Banda Aceh City. The sampling method used line transect, where each sampling location is divided into 3 stations. Length-weight relationship analysis was performed using Linear Allometric Model (LAM). The result of the analysis of Length-weight relationship in Tibang and Ulee Lheue waters of Banda Aceh City shows the average value of 1.92 and 1.97 (negative allometric). The K value shows at Tibang location (5.07) higher than Ulee Lheue (4.98). Based on the mean value Wr indicates that Ulee Lheue (103.92) has a higher value than Tibang (102.60). The conclusion of K and Wr values shows that the environment in the research location is still stable, so it can be concluded that Tibang and Ulee Lheue waters can still support the life of oysters.Penelitian tentang hubungan panjang berat dan faktor kondisi tiram (Crassostrea gigas) telah dilakukan di kawasan estuari Tibang dan Ulee Lheue, Kota Banda Aceh selama 4 bulan dimulai dari Juli hingga Oktober 2017. Tujuan penelitian adalah untuk melihat kondisi tiram di Kota Banda Aceh. Metode pengambilan sampel dilakukan dengan transek garis, dimana pada setiap lokasi sampling dibagi atas 3 stasiun. Analisis hubungan panjang berat dilakukan menggunakan Linear Allometric Model (LAM). Hasil analisis hubungan panjang berat di perairan Tibang dan Ulee Lheue Kota Banda Aceh menunjukkan nilai b rerata 1,92 dan 1,97 (alometrik negatif). Adapun nilai K menunjukkan rerata pada lokasi Tibang (5,07) lebih tinggi berbanding Ulee Lheue (4,98). Berdasarkan nilai rata-rata Wr menunjukkan bahwa perairan Ulee Lheue (103,92) memiliki nilai lebih tingi bebanding perairan Tibang (102,60). Adapun kesimpulan nilai K dan Wr menunjukkan keadaan lingkungan pada lokasi penelitian masih dalam keadaan stabil, sehingga dapat disimpulkan perairan Tibang dan Ulee Lheue masih dapat mendukung kehidupan tiram.
Kondisi terumbu karang dan makro invertebrata di Perairan Ujong Pancu, Kecamatan Peukan Bada, Aceh Besar Samsul Bahri; Edi Rudi; Irma Dewiyanti
Depik Vol 4, No 1 (2015): APRIL 2015
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.729 KB) | DOI: 10.13170/depik.1.1.2278

Abstract

Abstract. The aimof this study was to evaluate the condition of coral reefs and macro invertebrates at Ujong Pancu, Aceh Besar District The study was carried out from April to May 152012. Coral coverage was observed by using Point Intercept Trancect method and Visual census technique for macro invertebrates. There was 50% of hard coral coverage recorded in three observation locations. The predominant genus was Acropora with a percentage of  more than 50% at all locations. The abundance of macro invertebrateswas ranged from 3.75 to 7.75 ind/transect. The most abundant macro invertebrates was Diadema setosum with percentage of more than 40% at each location. The diversity index (H’) of coral reefs and macro invertebrates were ranged from 0.74 - 1.36 and 0.98 – 1.5, respectively. In general, the condition of coral reefs and macro invertebrates in Ujong Pancu was in good condition. Keywords: Coral reefs; Macro invertebrates; Ujong Pancu. Abstrak. Penelitian ini bertujuan untuk mengetahui kondisi terumbu karang dan makro invertebrata di Ujong Pancu. Penelitian ini dilakukan pada bulan April hingga Mei 2012. Tutupan karang diamati dengan menggunakan Metode Point Intercept Transect (PIT) dan makro invertebrata diamati dengan menggunakan metode TeknikVisual Sensus. Hasil penelitian ditemukan bahwa lebih dari 50% tutupan karang keras pada ketiga stasiun pengamatan. Genus yang paling mendominasi pada ketiga stasiun adalah Acropora dengan persentase lebih dari 20% pada setiap stasiun pengamatan. Kelimpahan makro avertebrata berkisar antara 3,75 hingga 7,75 ind/transek. Kelimpahan makro invertebrata terbesar adalah Diadema setosum dengan persentase lebih dari 40% pada setiap stasiun pengamatan. Indeks keanekaragaman (H’) karang dan makro investebrata berkisar antara  0,74 - 1.36 dan 0,98 – 1,5 secara berurutan. Secara umum berdasarkan indeks yang digunakan, kondisi terumbu karang dan makro invertebrata di Ujong Pancu tergolong baik.Kata kunci : Terumbu Karang; Makro avertebrata; Ujong Pancu.
The water quality monitoring of vannamei shrimp (Litopenaeus vannamei) ponds in East Tanete Riattang District, Bone Regency, Indonesia Harlina Harlina; Ilmiah Ilmiah; Andi Hamdillah; Dewi Virgiastuti Jarir; Ahmad Darul Salam
Depik Vol 11, No 1 (2022): April 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.507 KB) | DOI: 10.13170/depik.11.1.21663

Abstract

The monitoring of water quality is an essential process of shrimp production. This study aimed to evaluate the water quality based on physical, chemical, and biological parameters in a vannamei shrimp pond, which is managed by an intensive system in East Tanete Riattang District, Bone Regency. The sampling of parameters was conducted from March to April 2020 at the ponds in three villages, which include Waetuo (station A), Panyula (station B), and Toro (station C). The water quality was evaluated at each sampling site based on certain factors, such as dissolved oxygen (DO), temperature, salinity, pH, ammonia, and bacterial population. The results showed that the temperature, salinity, pH, DO, and bacterial populations ranged from 26 to 30 °C, 25 to 35 ppt, 5.5 to 7.0, 5.5 to 7.0 ppm, and 3.5 × 101 to 2.1 × 103, respectively. According to the National Standard of Indonesia for shrimp culture, the range of these water quality parameters was suitable for vannamei shrimp life. Meanwhile, the level of ammonia was 1.7 to 1.8 ppm, which exceeded the normal range that supports the vannamei shrimp life-cycle.Keywords:Water quality, Ponds, Litopenaeus vannamei,Ammonia,Vibriosis
Tutupan karang dan komposisi ikan karang didalam dan luar kawasan konservasi pesisir timur Pulau Weh, Sabang Riany Hastuty; Yonvitner .; Luky Adrianto
Depik Vol 3, No 2 (2014): August 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (675.084 KB) | DOI: 10.13170/depik.3.2.1468

Abstract

Abstract. The study was conducted onApril to October 2013 in marine protected areas of Weh Island. The samplings were done at10 siteswhere 6 sitesare situatedinside of conservation areas, while 4 sites are situated outside of conservation areas. The purpose ofthis study was to evaluate coral covers andreef fish composition. Point intersept transect(PIT), underwater visual census (UVC) and fish catches were used to examine coral covers, abudance and biomass of reef fish. The results showed that average of coral covers, abudance and biomass of target fishes inside conservation were 54%, 1,662 ind/ha and 408.78 kh/ha, respectively, while than outside conservation was 33.05%, 1,058 ind/ha and 307.77 kg/ha, respectively. Total of reef fish species and the catch were increased from previous years, for example there are 60 species in 2010 and it was increased to 83 species in 2013. In addition the fishermen catches were increased slightly from 3.03 kg/trip in 2008 to 3.6 kg/trip in 2013. It is concluded that the coral condition and reef fish composition in the conservation are much better compared to outside of conservation areas.Keywords : Marine protect area; reef fish; Weh Island Abstrak. Penelitian ini dilakukan pada April sampai Oktober 2013 di Kawasan Konservasi Perairan Pesisir Timur Pulau Weh yang terdiri dari 10 stasiun dimana 6 stasiun berada didalam kawasan konservasi dan 4 stasiun diluar kawasan konservasi.Penelitian ini bertujuan untuk menilai persentase tutupan karang dan komposisi ikan karang. Sampling menggunakan transek titik dan underwater visual sensus (UVC) dan hasil tangkapan.Hasil penelitian menunjukkan bahwa rata-rata kondisi tutupan karang, kelimpahan dan biomassa ikan target dikawasan konservasi yaitu 54%, 1.662 ind/ha dan 408,78 kg/ha, secara berurutan, sedangkan diluar kawasan konservasi adalah 33,05%, 1.058 ind/ha dan 307,77 kg/ha biomassa ikan target.Jumlah jenis ikan karang di kawasan konservasi meningkat, yaitu 60 jenis tahun 2010 menjadi 83 jenis pada tahun 2013 dan rata-rata hasil tangkapan tahun 2008 yaitu 3,03 kg/trip dan tahun 2013 yaitu 3,6 kg/trip. Dapat disimpulkan bahwa kondisi karang dan komposisi jenis dan ukuran ikan lebih baik di dalam kawasan konservasi berbanding diluar kawasan.Kata kunci: Kawasan Konservasi; Ikan karang; Pulau Weh
Kesesuaian budidaya keramba jaring apung (KJA) ikan kerapu di perairan Teluk Sabang Pulau Weh, Aceh T. Faizul Anhar; Bambang Widigdo; Dewayany Sutrisno
Depik Vol 9, No 2 (2020): August 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1202.519 KB) | DOI: 10.13170/depik.9.2.15199

Abstract

Weh Island is one of the coastal region that has high prospect in fisheries, one of it is floating net cage. Unfortunately, the unavailability of the classification zone for fish net culture and the oceanographic conditions of the coastal water become the main issues of the success of the fish net cage (KJA) culture activities.  The aim of this study is analyze suitability of floating net cage culture for grouper in Sabang Bay. The method use in this research is Inverse Distance Weighted (IDW) method. There were 10 water quality variabels measured, such as protection, bathimetry, water transparency, current velocity, temperature, salinity, pH, dissolved oxygen, nitrate and phosphate. Area suitability divided into three suitability criteria, i.e very suitable, suitable and not suitable were used to determine the suitability of floating net cage. The result of the analysis are obtained show that the area for grouper culture Sabang Bay covering 11.3 % or 9.08 Ha of Sabang Bay were classified as very suitable (S1), suitable class (S2) covering an area of 39.8 % or 32.08 Ha of Sabang Bay, and not suitable class (N) covering 49 % or 39.54 Ha of Sabang Bay. Based on this percentage can be concluded that some of the coastal of the Sabang Bay can be utilized as a floating net cage culture of grouper fish activities.Keywords: Grouper culture, GIS, Suitability, Sabang Bay, Aceh Province ABSTRAKPulau Weh merupakan salah satu wilayah yang memiliki potensi perikanan yang cukup besar. Akan tetapi dengan belum tersedianya penentuan lokasi budidaya keramba jaring apung serta data kondisi perairan yang tersedia menjadi kendala utama dalam peningkatan keberhasilan dan pengembangan budidaya keramba jaring apung (KJA). Penelitian ini bertujuan untuk menganalisis luasan kesesuaian perairan budidaya keramba jaring apung ikan kerapu di perairan Teluk Sabang. Metode yang digunakan pada penelitian ini adalah metode Inverse Distance Weighted (IDW). Terdapat sepuluh parameter yang diukur, yaitu keterlindungan, kedalaman, kecerahan, kecepatan arus, suhu, salinitas, pH, oksigen terlarut, nitrat dan fosfat. Tingkat kesesuaian perairan dibagi menjadi 3 (tiga) kelas kesesuaian, yaitu sangat sesuai, sesuai dan tidak sesuai. Hasil analisis yang didapat menunjukkan bahwa luasan untuk budidaya ikan kerapu Teluk Sabang sangat sesuai (S1) seluas 9,08 % atau 11,3 Ha dari Teluk Sabang, kelas sesuai (S2) seluas 39,8 % atau 32,08 Ha dari Teluk Sabang, dan kelas tidak sesuai (N) seluas 49 % atau 39,54 Ha dari Teluk Sabang. Berdasarkan persentase tersebut dapat diambil kesimpulan bahwa sebagian perairan Teluk Sabang dapat dimanfaatkan sebagai usaha budidaya keramba jaring apung ikan kerapu.Kata kunci: Budidaya ikan kerapu, SIG, Kesesuaian perairan, Teluk Sabang, Provinsi Aceh
Karakteristik pH dan pengaruhnya terhadap bakteri Coliform di perairan Selat Madura Kabupaten Pamekasan Eva Ari Wahyuni
Depik Vol 6, No 3 (2017): December 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.557 KB) | DOI: 10.13170/depik.6.3.5875

Abstract

The objective of present study was to analyze the condition of environmental parameters, especially pH and its relationship to coliform survival rate which is useful to understand the status of the aquatic environment in Pamekasan District. There are three sampling locations with three depth profiles and determine using purposive sampling method. Environmental parameters are measured on surface profiles, including DO, temperature, pH, and salinity. Seawater samples were cultured on agar medium and selective media, then analyzed using colony counting method to calculate the number of bacteria in each depth profile. The results showed the DO range of 5.4 to 5.6 mg/L, the temperature 31.1-32.20C, pH 7.4-8.0, and the salinity 31-32‰, and the number of coliform bacteria ranged 15-85 (Colony x 10 CFU/mL) found on the surface and bottom of stations 2 and 3. The pH fluctuations during the study were higher than 2012 and 2013. The pattern of coliform bacteria distribution showed lower with increasing depth. Differences in the pH range are thought to be one of the factors that affect the survival rate of coliform bacteria, so that also affect the density of coliform bacteria. In general, it can be concluded that environmental conditions in good status based on environmental parameter indicators are relatively normal for tropical regions. The pH range is quite wide with a tendency to increase in value (indicating more alkaline) during the study period. Changes in pH have an effect on the survival rate with a higher tendency to decrease in acidic conditionsPenelitian ini bertujuan untuk menganalisis kondisi parameter lingkungan, khususnya pH dan keterkaitan terhadap perkembangbiakan (survival rate) bakteri coliform yang berguna untuk mengetahui status lingkungan perairan di Kabupaten Pamekasan. Lokasi pengambilan sampel air laut dilakukan pada tiga stasiun dengan tiga profil kedalaman menggunakan metode purposive sampling. Parameter lingkungan diukur pada profil permukaan, meliputi DO, suhu, pH, dan salinitas. Sampel air laut dibiakkan pada media agar dan media selektif, kemudian dianalisa menggunakan metode colony counting untuk menghitung jumlah bakteri pada setiap profil kedalaman. Hasil analisa menunjukkan kisaran DO 5,4-5,6 mg/L, suhu 31,1-32,20C, pH 7,4–8,0, dan salinitas 31-32 ‰, dan jumlah bakteri coliform berkisar 15-85 (koloni x 10 cfu/mL) yang ditemukan pada profil permukaan dan dasar pada stasiun 2 dan 3. Fluktuasi pH selama penelitian lebih tinggi dibandingkan penelitian tahun 2012 dan 2013. Pola sebaran bakteri coliform menunjukkan semakin rendah dengan bertambahnya kedalaman. Perbedaan kisaran pH diduga menjadi salah satu faktor yang berpengaruh terhadap survival rate bakteri coliform, sehingga berpengaruh juga terhadap kepadatan bakteri coliform. Secara umum dapat disimpulkan bahwa kondisi lingkungan dalam status baik berdasarkan indikator parameter lingkungan relatif normal untuk wilayah tropis. Kisaran pH cukup lebar dengan kecenderungan semakin bertambah besar nilainya (menunjukkan semakin basa) selama periode penelitian. Perubahan pH berpengaruh terhadap survival rate dengan kecenderungan lebih tinggi penurunannya pada kondisi asam
Distribution of heavy metal (Pb, Cd and Hg) concentrations in sediment of Bone River, Gorontalo Miftahul Khair Kadim; Endang Herawati Yuli; Diana Arfiati; Asus Maizar Suryanto Hertika; Faizal Kasim
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (358.813 KB) | DOI: 10.13170/depik.11.3.27775

Abstract

The concentration of three heavy metals Pb, Cd and Hg ware measured in Bone River, Gorontalo sediment. The heavy metal pollution on sediment in Bone River have not been explored longitudinally. The samples were taken in July 2021 at 8 stations.  The trend of metals ware observed in sediment as PbCdHg. The level of studied metals Cd and Hg did not exceed the safe limit by ANZECC, OSQG LEL and CCME TEL meanwhile Pb was met the limit by by ANZECC. However, the investigated showed that fluctuations due to differences in the characteristics of each location. Contamination factor (CF) and geoaccumulation index (Igeo) demonstrated that the sediment samples were low contamination and lightly polluted. Contamination by heavy metals in the Bone River implies that the conditions are much frightening for the biota and residents around the river.
Effect of transplantation media on Pocillopora coral growth rate at TWAL Pulau Weh Chitra Octavina; Maria Ulfah; Adrian Damora; Zulkarnain Jalil; Nanda Muhammad Razi; Muhammad Agustiar; Puad Batari Harahap; Nurul Najmi; Samsul Bahri; Munandar Munandar; Shan-Yin Vanson Liu
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (608.667 KB) | DOI: 10.13170/depik.10.2.19222

Abstract

Coral reef ecosystems have a vital role in waters so that damage to coral reef ecosystems can reduce ecological and socio-economic functions that can impact environmental imbalances, such as reef fish and benthic communities. This study aims to determine the effect of transplant media on the growth rate of the genus Pocillopora coral and see whether it has a significant effect on the rate of coral growth in TWAL Pulau Weh, Aceh Province. The method used is a purposive sampling method in determining stations, analysis using the ImageJ 1.52 application. The results showed that the effect of transplant media on the growth rate of Pocillopora corals were significant differences between structures given an electric current and those not given an electric current with a 95% confidence interval. The average growth value of Pocillopora corals given an electric current is 25.06 mm/month. While the Pocillopora corals that were not given an electric current average growth value was 16.50 mm/month.Keywords:Coral reefCoral transplantElectrical stimulationPocilloporaImagej
Preferensi lokasi penyu bertelur di Pantai Taman Kili-Kili, Kabupaten Trenggalek, Jawa Timur, Indonesia Arief Darmawan; Dhira Khurniawan Saputra; Ari Gunawan; Sabul Masani
Depik Vol 9, No 3 (2020): December 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (923.444 KB) | DOI: 10.13170/depik.9.3.14329

Abstract

Taman Kili-Kili Beach, Trenggalek Regency, East Java Province is one of location where sea turtles landing and laying their eggs. This location is a community-based conservation area. Based on information from Wonocoyo Village Pokmaswas who worked at the location, the landing and nesting area of sea turtles tends to be on the west side of the coast. This study aimed to provide a scientific explanation of these conditions by using remote sensing data of time series Sentinel Image 2a, beach sand texture data, beach profiles, sea turtle landing location, supratidal area prediction using GIS analysis and eggs data. Result showed that the preference of the landing and nesting area of sea turtles on the west side of Taman Kili-Kili Beach was related to the dynamics of the coastal conditions especially the coastline and supratidal area. Environmental factors greatly influence the dynamics of this supratidal area.Keywords:TurtlesSupratidalRemote SensingGISABSTRAKPantai Taman Kili-Kili, Kabupaten Trenggalek, Provinsi Jawa Timur merupakan salah satu lokasi penyu laut mendarat dan bertelur. Lokasi ini merupakan kawasan konservasi berbasis masyarakat. Berdasarkan informasi Pokmaswas Desa Wonocoyo yang bekerja di lokasi tersebut, area pendaratan dan bertelurnya penyu laut cenderung pada sisi barat pantai. Penelitian ini bertujuan memberikan penjelasan ilmiah mengenai kondisi tersebut dengan menggunakan data penginderaan jauh berupa Citra Sentinel 2a multi waktu, data tekstur pasir pantai, profil pantai, data lokasi pendaratan penyu laut, prediksi area supratidal menggunakan analisis SIG serta data telur. Hasil menunjukkan bahwa kecenderungan area pendaratan dan bertelurnya penyu laut di sisi barat Pantai Taman Kili-Kili ini terkait dengan dinamika kondisi pantai khususnya garis pantai dan area supratidal. Faktor-faktor lingkungan sangat berpengaruh terhadap dinamika area supratidal ini.Kata kunci:PenyuSupratidalPenginderan jauhSIG
Kandungan merkuri pada substrat dasar di kawasan muara Krueng Sabee, Krueng Panga, dan Krueng Teunom, Kabupaten Aceh Jaya Syahrul Purnawan; Rifki Rahman; Sofyatuddin Karina
Depik Vol 6, No 3 (2017): December 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (632.018 KB) | DOI: 10.13170/depik.6.3.8108

Abstract

The objective of this study was to determine the mercury content in sediment in the waters of Aceh Jaya coastal. The research was carried out in the Estuary of Krueng Sabee, Panga, and Teunom River on October 2015. Samples were analyzed using the Atomic Absorption Spectrophotometer (AAS) at the Laboratory of Chemistry, Mathematics and Natural Sciences Faculty, Syiah Kuala University. It was found that the Hg content in sediment of Krueng Sabee, Panga, and Teunom were 0.76, 0.68, and 1.03 mg/kg, respectively. Hg metal content in the sediment at all stations remained below the threshold. Despite,  the correlation between Hg content and sediment size in this study was weak, but there was a tendency the finer sediment size the higher Hg content found in sediment. However, heavy metal from water was easier to be deposed and embedded in fine sediment.Tujuan dilakukannya penelitian ini adalah untuk mengetahui sebaran logam berat merkuri (Hg) yang terkandung pada substrat dasar di beberapa muara sungai Kabupaten Aceh Jaya. Pengambilan data dilakukan pada Bulan Oktober 2015 di Krueng Sabee, Krueng Panga, dan Krueng Teunom. Sampel substrat diambil berdasarkan metode coring menggunakan pipa paralon, Atomic Absorption Spectrophotometer (AAS) atau Spektrofotometer Serapan Atom digunakan untuk mendapatkan data kandungan logam berat Hg pada substrat, sementara metode ayak basah digunakan untuk mendapatkan data ukuran butiran. Kandungan merkuri (Hg) dalam substrat Krueng Sabee, Krueng Panga, dan Krueng Teunom masing-masing adalah 0,76; 0,68 dan 1,03 mg/kg. Terlihat kecenderungan substrat dengan butiran yang halus mengandung kadar merkuri yang lebih tinggi, dimana sifat merkuri yang mudah berikatan dengan zat organik mempermudah pengendapan pada bentuk butiran yang halus.

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