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All Journal BULETIN OSEANOGRAFI MARINA Jurnal Kelautan Tropis JURNAL ENGGANO Jurnal Sumberdaya Akuatik Indopasifik Marine Kreatif Dinamika Lingkungan Indonesia TECHSI - Jurnal Teknik Informatika Gotong Royong : Jurnal Pengabdian, Pemberdayaan Dan Penyuluhan Kepada Masyarakat (J-P3KM)
Syahrial Syahrial
Malikussaleh University
Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Environmental Science Health Professions Social Sciences Other

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Kondisi Eksisting Tiram (Bivalvia: Ostreidae) di Perairan Estuari Desa Banda Masen Kecamatan Banda Sakti Kota Lhokseumawe Erlangga Erlangga; Imanullah Imanullah; Syahrial Syahrial; Erniati Erniati; Imamshadiqin Imamshadiqin; Gara Hasonangan Ritonga; Dodi Fanhalen Siregar
Buletin Oseanografi Marina Vol 11, No 2 (2022): Buletin Oseanografi Marina
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/buloma.v11i2.39514

Abstract

Kajian kondisi eksisting tiram dilakukan pada tiga stasiun pengamatan di perairan estuari Desa Banda Masen (Juli – September 2020). Kajian bertujuan untuk mengetahui faktor lingkungan, distribusi dan biodiversitas, kepadatan, frekuensi pertumbuhan serta karakteristik lingkungan tiram, dimana sampel dikumpulkan dalam plot yang berukuran 1x1 m pada sisi kiri, tengah dan kanan estuari, sedangkan keterkaitan parameter kualitas perairan terhadap kepadatan maupun morfometrik tiram dianalisis berdasarkan Principle Component Analysis (PCA). Hasil kajian memperlihatkan bahwa konsentrasi DO berkisar antara 07,85–07,87 mg/L, suhu 30,00–32,00°C, salinitas 32,50–35,00‰, pH 07,90–08,13, kekeruhan 27,90–28,17 NTU, kecerahan 00,20–00,22 cm, kedalaman 01,20–01,27 m dan intensitas cahaya 449–452 Lux. Selain itu, hasil kajian juga memperlihatkan tiram terdistribusi di semua stasiun pengamatan, terdiri dari dua spesies dengan kepadatan S. cucullata antara 02,33–04,11 ind/m2 dan kepadatan S. echinata antara 02,11–03,56 ind/m2. Untuk frekuensi pertumbuhan morfometrik, panjang cangkang S. cucullata dominannya adalah 04,28–04,91 cm, lebar cangkang 03,48–04,06 cm, berat isi 03,18–04,85 mg dan berat cangkang 15,86–20,43 mg. Selanjutnya untuk frekuensi pertumbuhan morfometrik S. echinata, panjang cangkang dominannya adalah 03,82–04,27 cm, lebar cangkang 02,96–03,41 cm, berat isi 03,12–04,12 mg serta berat cangkang 15,06–19,33 mg, dimana kepadatan maupun berat isi S. cucullata sangat ditentukan oleh intensitas cahaya, salinitas, suhu dan kekeruhan perairan, sedangkan kecerahan perairan kurang memberikan pengaruh yang baik bagi kepadatan maupun berat isi tiram S. cucullata, kecuali bagi pertumbuhan panjang cangkang S. echinata, panjang cangkang S. cucullata, berat isi dan berat cangkang S. echinata.    The study of the existing condition of oysters was carried out at three observation stations in the estuary of Banda Masen Village during July until September 2020. The study aims to determine environmental factors, distribution, biodiversity, density, growth frequency and environmental characteristics of oysters. Samples were collected in plots with measuring 1x1 m on the left, middle and right sides of the estuary. Furthermore, the correlation parameters of water quality on density and morphometric of oysters to be analyzed base on Principle Component Analysis (PCA). The results showed that DO concentrations ranged between 07,85–07,87 mg/L, temperature 30,00–32,00°C, salinity 32,50–35,00‰, pH 07,90–08,13, turbidity 27,90–28,17 NTU, brightness 00,20–00,22 cm, depth 01,20–01,27 m and light intensity 449,00–452,00 Lux. In addition, the results of the study also depict that oysters were distributed in all observation stations which consisting of two species with density of S. cucullata and S. echinata between 02,33–04,11 ind/m2 and 02,11–03,56 ind/m2, respectively. The frequency of morphometric growth illustrates the dominant shell of S. cucullata was 04,28–04,91 cm in length, 03,48–04,06 cm in width, and 15,86–20,43 mg in weight with bulk have 03,18–04,85 mg in weight. Furthermore, the frequency of morphometrics growth of S. echinata have dominant shell was 03,82–04,27 cm in length, 02,96–03,41 cm in width, 15.06 –19,33 mg in weight with bulk have 03,12–04,12 mg in weight. The density and weight of the bulk of S. cucullata were largely determined by light intensity, salinity, temperature and turbidity of the waters. Meanwhile, the brightness did not give significant influence except for the length of two species and density also weight of S. echinata.
Penilaian Sumber Pencemar Non Logam di Waduk Asin Pusong Kota Lhokseumawe Berdasarkan Analisis Multivariat Riri Ezraneti; Syahrial Syahrial; Erniati Erniati
Jurnal Kelautan Tropis Vol 24, No 1 (2021): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v24i1.9617

Abstract

Human anthropogenic activities have resulted in an important transformation in the aquatic environment for decades, so the study of the assessment of non-metallic pollutant sources in the salty reservoir Pusong in Lhokseumawe City was conducted in October 2020 which was reviewed based on multivariate analysis. The study aims to find out the source of non-metallic pollutants in the salt reservoir waters of Pusong Kota Lhokseumawe with the collection of primary data conducted by observation at five observation stations, where water samples are taken using van dorn water sampler at a depth of ± 0 – 1 m with three repetitions per station. The results showed that non-metallic contaminants of total ammonia nitrogen, nitrate, and phosphate had exceeded the established quality standards (>5.00 mg/L, >0.30 mg/L, >0.008 mg/L and >0.015 mg/L), then based on PCA analysis, eigenvalues of each variable indicate the formation of two new components namely Component 1 consisting of non-metallic nitrate contaminants and total nitrogen ammonia (3.05), while Component 2 consists of non-metallic contaminants total coliform and BOD5 (1.93) with a data diversity of 82.99%. Besides, non-metallic contaminants of total nitrogen ammonia, as well as phosphates, have a significant relationship to temperature parameters, while non-metal nitrate contaminants have significant links to pH parameters, turbidity, and salinity. Furthermore, the complexity of the study area between observation stations based on CA analysis was divided into two groups, the first group consisted of Stations 2, 4, and 5 with non-metallic contaminants source nitrate, BOD5 as well as total coliform, while the second group consisted of Stations 1 and 3 with non-metallic contaminants of total ammonia nitrogen, phosphate, and surfactants. Kegiatan antropogenik manusia telah menghasilkan transformasi penting dalam lingkungan akuatik selama beberapa dekade, sehingga kajian penilaian sumber pencemar non logam di waduk asin Pusong Kota Lhokseumawe dilakukan pada bulan Oktober 2020 yang ditinjau berdasarkan analisis multivariat. Kajian bertujuan untuk mengetahui sumber pencemar non logam di perairan waduk asin Pusong Kota Lhokseumawe dengan pengumpulan data primernya dilakukan secara observasi di lima stasiun pengamatan, dimana sampel air diambil menggunakan van dorn water sampler pada kedalaman ± 0–1 m dengan tiga kali pengulangan setiap stasiunnya. Hasil kajian memperlihatkan bahwa sumber pencemar non logam total amonia nitrogen, nitrat maupun fosfat sudah melebihi baku mutu yang telah ditetapkan (>5.00 mg/L, >0.30 mg/L, >0.008 mg/L dan >0.015 mg/L), kemudian berdasarkan analisis PCA, nilai eigen dari masing-masing variabel mengindikasikan adanya pembentukan dua komponen baru yaitu Component 1 terdiri dari sumber pencemar non logam nitrat dan total amonia nitrogen (3.05), sedangkan Component 2 terdiri dari sumber pencemar non logam total coliform dan BOD5 (1.93) dengan keragaman datanya sebesar 82.99%. Selain itu, sumber pencemar non logam total amonia nitrogen maupun fosfat memiliki hubungan yang signifikan terhadap parameter suhu, sedangkan sumber pencemar non logam nitrat memiliki hubungan yang signifikan terhadap parameter pH, kekeruhan dan salinitas. Selanjutnya, kompleksitas wilayah studi antar stasiun pengamatan berdasarkan analisis CA terbagi atas dua kelompok, kelompok pertama terdiri dari Stasiun 2, 4 dan 5 dengan sumber pencemar non logam nitrat, BOD5 serta total coliform, sedangkan kelompok kedua terdiri dari Stasiun 1 dan 3 dengan sumber pencemar non logam total amonia nitrogen, fosfat serta surfaktan.
Rumput Laut yang Tumbuh Alami di Pantai Barat Pulau Simeulue, Aceh Indonesia: Faktor Lingkungan dan Variasi Geografik Erniati Erniati; Syahrial Syahrial; Imanullah Imanullah; Erlangga Erlangga; Cut Meurah Nurul ‘Akla; Wilman Shobara; Jihad Nasuha; Gara Hasonangan Ritonga; Anggi Mayulina Daulay; Hamdi Romansah; Ibnu Amni; Tambah Lambok Berutu
Jurnal Kelautan Tropis Vol 25, No 1 (2022): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v25i1.12645

Abstract

Environmental factors and geographical variations in an ecosystem are important steps in explaining the dynamics of marine communities, a study of seaweed that grows naturally on the west coast of Simeulue Island was conducted with the purpose of learning about the environmental characteristics, geographical variations, and environmental parameters that affect their distribution. The study was conducted in October 2021, and it included 5 observation stations with environmental factors measured in situ and geographic variation data using line transects along 50 m perpendicular to the shoreline and sample plots measuring 1 x 1 m every 10 m. Environmental factors that influence vegetation conditions and geographic variations of seaweed were analyzed using PCA. The study's findings revealed that conditions in the Indian Ocean with a high pH (average 07.72 ± 00.20) with moderate salinity and current velocity (average 32.47‰± 01.72 and 00.32 m/s ± 00.11, respectively) influenced the seaweed vegetation habitat. Then 21 seaweed species were identified, all of which have not been evaluated on the IUCN Red List, and their distribution is relatively rare, with a frequency of only 20%, and the seaweed zoning found at a depth of 0 - 150 cm at the lowest tide and a distance of up to 40 m inland from the edge. Furthermore, the distribution of seaweed on Simeulue Island's west coast is largely determined by DO conditions, salinity, and current velocity, whereas pH and temperature have less influence on seaweed distribution.  Faktor lingkungan dan variasi geografik di suatu ekosistem merupakan langkah penting dalam menjelaskan dinamika komunitas laut, sehingga kajian rumput laut yang tumbuh alami di Pantai Barat Pulau Simeulue dilakukan dengan tujuan untuk mengetahui karakteristik lingkungan, variasi geografik dan parameter lingkungan yang mempengaruhi distribusinya. Kajian dilaksanakan pada bulan Oktober 2021 yang terdiri dari 5 stasiun pengamatan dengan faktor lingkungannya diukur secara in situ dan data variasi geografiknya menggunakan transek garis sepanjang 50 m tegak lurus garis pantai serta dibuat petak contoh berukuran 1 x 1 m disetiap 10 m dan faktor lingkungan yang mempengaruhi kondisi vegetasi maupun variasi geografik rumput lautnya dianalisis menggunakan PCA. Hasil kajian memperlihatkan bahwa habitat vegetasi rumput lautnya dipengaruhi oleh kondisi Samudera Hindia dengan konsentrasi pH perairannya tergolong tinggi (rata-rata 07.72 ± 00.20) dan konsentrasi salinitas maupun kecepatan arusnya tergolong sedang (rata-rata 32.47‰ ± 01.72 dan rata-rata 00.32 m/s ± 00.11), kemudian rumput lautnya teridentifikasi sebanyak 21 spesies yang keseluruhannya belum terevaluasi di IUCN Red List dan distribusinya tergolong jarang dengan frekuensi relatifnya kecil dari 20% serta zonasi rumput lautnya ditemukan pada kedalaman ± 0 – 150 cm saat surut terendah dan berjarak hingga ± 40 m ke arah daratan dari tubir. Selanjutnya, untuk distribusi rumput laut di pantai Barat Pulau Simeulue sangat ditentukan oleh kondisi DO, salinitas dan kecepatan arus, sedangkan parameter pH dan suhu kurang memberikan pengaruh yang baik terhadap distribusi rumput lautnya. 
PENGARUH KARAKTERISTIK LINGKUNGAN TERHADAP MAKROZOOBENTOS DI KAWASAN REBOISASI MANGROVE KEPULAUAN SERIBU, INDONESIA Syahrial Syahrial; Rika Anggraini; Agus Putra Abdul Samad; Nur Ikhsan; Dandi Saleky; La Ode Abdul Fajar Hasidu
JURNAL ENGGANO Vol 5, No 2
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jenggano.5.2.233-248

Abstract

Fauna bentik (makrozoobentos) telah dianggap sebagai salah satu kriteria untuk menilai keberhasilan program restorasi mangrove. Kajian korelasi karakteristik lingkungan terhadap makrozoobentos di kawasan reboisasi mangrove Kepulauan Seribu telah dilakukan pada bulan Maret 2014. Hal ini bertujuan untuk mengetahui pengaruh yang diakibatkan oleh karakteristik lingkungan (parameter fisika kimia perairan) terhadap kepadatan makrozoobentosnya. Data biota makrozoobentos di kawasan reboisasi mangrove Kepulauan seribu dikumpulkan dengan membuat transek garis dan plot yang ditarik dari titik acuan (tegakan mangrove terluar) dan tegak lurus garis pantai sampai ke daratan, dimana pengamatan dilakukan di tiga stasiun (pulau). Sebanyak 6 famili dan 6 spesies makrozoobentos telah ditemukan di kawasan reboisasi mangrove Kepulauan Seribu. Komposisi dan kepadatan spesies tertingginya adalah Littoraria scabra. Karakteristik lingkungan yang diukur tidak begitu berbeda antar stasiun serta juga tidak melebihi ambang batas baku mutu. Semakin rendah konsentrasi salinitas dan DO, maka kepadatan makrozoobentosnya semakin tinggi, sedangkan semakin tinggi konsentrasi pH perairan, maka kepadatan makrozoobentosnya semakin menurun. Kemudian parameter suhu dengan kepadatan makrozoobentos tidak memiliki pengaruh.THE EFFECT OF ENVIRONMENTAL CHARACTERISTICS OF MAKROZOOBENTOS IN MANGROVE REFORESTATION AREA OF SERIBU ISLANDS, INDONESIA. Benthic fauna (macrozoobenthos) has been considered as one of the criteria for assessing the success of a mangrove restoration program. A correlation study of environmental characteristics of macrozoobenthos in the Seribu Islands mangrove reforestation area was carried out in March 2014. It aims to determine the effect caused by environmental characteristics (water physical-chemical parameters) on its macrozoobenthos density. Data of macrozoobenthos biota in the Seribu Islands mangrove reforestation area were collected by making line transects and plots drawn from the reference point (outermost mangrove stands) and perpendicular to the coastline to the mainland, where observations were made at three stations (islands). Six families and six macrozoobenthos species have been found in the Seribu Islands mangrove reforestation area. The composition and density of the highest species were Littoraria scabra. The measured environmental characteristics were not very different between stations and also did not exceed the quality standard threshold. The lower the salinity and DO concentration, the higher the density of macrozoobenthos, while the higher the concentration of water pH, the lower the density of macrozoobenthos. Then the temperature parameters with macrozoobenthos density had no effect. 
Profil Kawasan Reboisasi Mangrove Kepulauan Seribu Berdasarkan Karakteristik Lingkungan dan Fauna Makrobentik Terkait Febrianti Lestari; Syahrial Syahrial; Rika Anggraini; Yudho Andika; Cut Meurah Nurul 'Akla; Agus Putra Abdul Samad
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 3 (2021): Agustus
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.3.166

Abstract

Macrobenthic fauna is often used as a bioindicator of environmental quality. However, information about the environmental characteristics and the existence of macrobenthic fauna in the mangrove reforestation area is still very limited. The study of the profile of the Seribu Island mangrove reforestation area based on the characteristics of the macrobenthic environment and fauna was carried out in March 2014. The aim of this study is to determine the ecological conditions of the waters around the Seribu Island mangrove reforestation area. To find out the relationship between environmental characteristics and macrobenthic fauna with observation stations carried out by statistics on Correspondence Analysis (CA), while the environmental characteristics that determine macrobenthic fauna and their relationships are carried out with Principal Component Analysis (PCA) statistics and simple linear regression. The results of the study show that the concentration of measured environmental characteristics is not very different between stations and does not exceed the quality standard threshold for marine life. Then the macrobenthic fauna found consisted of 6 species with the highest density at Station 3 (05.00 ind/m2) and the lowest at Station 1 (02.00 ind/m2). At Station 1 the pH and temperature concentration is very high, while Station 2 and 3 have high salinity concentrations. Macrobenthic fauna Atilia (Columbella) scripta, Metopograpsus latifrons, Littoraria scabra, Saccostrea cucculata, and Cardisoma carnifex can be associated with mangroves at all stations. In addition, the environmental characteristics that determine the presence of C. carnifex macrobenthic fauna are pH parameters, where the higher the pH concentration, the lower the density of C. carnifex. Then the environmental characteristics that determine the presence of the macrobenthic fauna of S. cucculata, M. latifrons and A. scripta are determined by DO (Dissolved Oxygen) and salinity parameters namely the lower DO (Dissolved Oxygen) concentration and salinity, the higher the density of S. cucculata, M. latifrons and A. scripta.
KLASIFIKASI SENJATA API MELALUI SUARA MENGGUNAKAN TRANSFORMASI WAVELET Fadlisyah Fadlisyah; Syahrial Syahrial
TECHSI - Jurnal Teknik Informatika Vol 6, No 2 (2014)
Publisher : Teknik Informatika Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/techsi.v6i2.173

Abstract

Classification of guns through sound using Wavelet Transform is a branch of sound processing can be used to identify several types of gunfire. This study uses wavelet transformation for the recognition and classification of firearms training through the noise using Wavelet Transform. The system was then tested by simulating it on the training data and test data to generate the percentage of recognition and classification of the sound of gunfire. Experiments done with several changes in parameter values to obtain the best percentage of recognition and classification. The results of this study in the form of gunfire were classified in accordance with the known brand guns from the calculation of energy using Wavelet Transformation.
Gastropoda Telescopium telescopium (Linnaeus, 1758) di Hutan Mangrove Desa Cut Mamplam Provinsi Aceh, Indonesia Ida Marina Harahap; Syahrial Syahrial; Erniati Erniati; Erlangga Erlangga; Imanullah Imanullah; Riri Ezraneti
Jurnal Kelautan Tropis Vol 25, No 2 (2022): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v25i2.13353

Abstract

The growth of an organism can provide fundamental ecological data and serve as a primary parameter for describing an organism's population dynamics. Telescopium telescopium gastropods were studied in September 2021 using purposive sampling in the mangrove forest of Cut Mamplam Village, Aceh Province. This study aims to provide fundamental data for mangrove management in Indonesia. Data were collected by creating a 40 m perpendicular to the coastline line transect, followed by 10 x 10 m sample plots and five 1 x 1 m sub plots. Following the collection of samples, additional analysis of the density, length and weight relationship, demographic structure, spatial distribution patterns based on the Morisita index, and growth characteristics were conducted as unique characteristics when compared to T. telescopium in other areas analyzed using PCA. The study's findings indicated that the density was low (< 7 ind/m2), the allometric length and weight relationship was negative (b < 3), the dominant growth demographic structure was mature (dominant SL 79.36 – 86.34 mm), the distribution pattern was clustered (Iδ = 02.75), and the BT, BWL, and AL morphometrics, in particular, had a variance of 95.91%. Pertumbuhan suatu organisme dapat menyediakan data ekologi dasar dan merupakan salah satu parameter yang utama dalam mengambarkan dinamika populasi suatu organisme, sehingga kajian gastropoda Telescopium telescopium di hutan mangrove Desa Cut Mamplam Provinsi Aceh dilakukan menggunakan purposive sampling pada bulan September 2021 dengan tujuan sebagai data dasar dalam pengelolaan mangrove di Indonesia, dimana data dikumpulkan dengan cara membuat transek garis sepanjang 40 m tegak lurus garis pantai, kemudian dibuat petak-petak contoh berukuran 10 x 10 m dan selanjutnya dibuat sub plot berukuran 1 x 1 m sebanyak 5 sub plot. Setelah sampel terkumpul, selanjutnya dilakukan analisis kepadatan, hubungan panjang berat tubuh, struktur demografi, pola penyebaran spasial berdasarkan indeks Morisita dan karakteristik pertumbuhannya sebagai penciri khusus bila dibandingkan dengan T. telescopium di kawasan lain yang dianalisis menggunakan PCA. Hasil kajian memperlihatkan bahwa kepadatannya rendah (< 7 ind/m2), hubungan panjang beratnya allometrik negatif (b < 3), struktur demografi pertumbuhan yang dominan ditemukan tergolong dewasa (SL dominan 79.36 – 86.34 mm), pola penyebarannya mengelompok (Iδ = 02.75) dan morfometrik BT, BWL maupun AL sebagai penciri khususnya memiliki varian 95.91%.  
Karakteristik ekologi, kondisi kesehatan dan tingkat kerawanan degradasi mangrove saat penginisiasian KKPD Rupat Utara 2018 Syahrial Syahrial; Riri Ezraneti; Bintal Amin; Nur Safira; Dodi Fan Halen Siregar
Dinamika Lingkungan Indonesia Vol 8, No 1 (2021)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (475.247 KB) | DOI: 10.31258/dli.8.1.p.1-11

Abstract

The study of ecological characteristics, health conditions and the level of vulnerability of mangrove degradation when initiating North Rupat as a Regional Aquatic Conservation Area (KKPD) was conducted in July 2018 with the aim of future baseline data and comparison. Data collection on the condition of mangrove vegetation is carried out by making line transects and plots drawn from the reference point (outermost mangrove stands) in a direction perpendicular to the coastline to the mainland. The results of the study showed that 12 identified species. The diversity index and dominance are relatively low (H’ ≤ 2.0 and 0 < C ≤ 0.5), while the uniformity is classified as stable (0.75 < E ≤ 1). For the density of mangroves the highest category of trees is at Station 4 (2525 ind/ha ± 638.15), while the density of saplings and seedlings at Station 1 (2800 ind/ha ± 873.48 and 50000 ind/ha ± 17638.34), where Xylocarpus granatum is the dominant species in the tree and seedling category (Importance Value Index/IVI 191.74% and 240.80%), while Avicennia alba was for the saplings category (IVI 216.01%). In the main land part of the North Rupat KKPD area, the mangroves' health condition was increasingly threatened by destruction compared to the small islands around it. However, overall the level of vulnerability of mangrove degradation in the initiating area of North Rupat KKPD is still relatively low.
Gastropoda Laut dan Chiton di Mikrohabitat Bangunan Pelindung Pantai Pelabuhan Krueng Geukueh Provinsi Aceh Cut M. N. ‘Akla; Fitra Wira Hadinata; Nur Ikhsan; Welmar Olfan Basten Barat; Hendrik V. Ayhuan; Muhammad Hatta; Riri Ezraneti; Syahrial Syahrial
Jurnal Kelautan Tropis Vol 25, No 3 (2022): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v25i3.14950

Abstract

The study was carried out in March 2022 at 8 observation stations in the Krueng Geukueh Harbor coastal protection facility in Aceh Province, using the visual encounter method for 120 minutes. The Shannon-Weaver diversity index, Simpson dominance, and Shannon-Weaver uniformity were used to generate the gastropod ecology index, while PCA was used to examine dominance by specific species and CA was used to analyze similarities in species composition. The study's findings included 20 species, 7 families, and a group of chitons. Gastropods Littorina angulifera, Echinolittorina puncatata, Nerita chamaeleon, Mauritia arabica, Thais mancinella, Morula musiva and Herba corticata are classified as rare (relative frequency < 20%); Littorina undulata, Nerita planospira, Cypraea mauritiana and Chiton sp. classified as occasional (relative frequency 21 – 40%); Littorina brevicula and Echinolittorina placida are relatively common (relative frequency 41 – 60%); Nerita albicilla, Nerita costata, Tylothais virgata and Tenguella granulata are relatively common (relative frequency 61 – 80%); and Thais (Thalesa) aculeata, Trochus radiatus and Cellana radiata were found to be relatively abundant (relative frequency > 80%). The gastropod diversity and uniformity indices were both low (1.49 and 0.48, respectively), where as the dominance index was moderate (0.52). The PCA analysis revealed that the dominant gastropod species were C. mauritiana, M. arabica, and M. musiva, and the CA analysis revealed the establishment of three groups based on the species composition discovered as a result of human activities near the study site.  Kajian dilakukan pada bulan Maret 2022 di 8 stasiun pengamatan pada bangunan pelindung pantai Pelabuhan Krueng Geukueh Provinsi Aceh menggunakan metode visual encounter selama 120 menit. Indeks ekologi gastropoda dihitung dengan indeks keanekaragaman Shannon-Weaver, dominansi Simpson dan keseragaman Shannon-Weaver, sedangkan dominansi oleh spesies tertentu dianalisis menggunakan PCA dan kesamaan komposisi spesiesnya dianalisis menggunakan CA. Hasil kajian mendapatkan 20 spesies dan 7 famili serta ditemukan juga kelompok chiton. Gastropoda Littorina angulifera, Echinolittorina puncatata, Nerita chamaeleon, Mauritia arabica, Thais mancinella, Morula musiva dan Herba corticata tergolong langka ditemukan (frekuensi relatif < 20%); Littorina undulata, Nerita planospira, Cypraea mauritiana dan Chiton sp. tergolong sesekali ditemukan (frekuensi relatif 21–40%); Littorina brevicula dan Echinolittorina placida tergolong sering ditemukan (frekuensi relatif 41–60%); Nerita albicilla, Nerita costata, Tylothais virgata dan Tenguella granulata tergolong umum ditemukan (frekuensi relatif 61–80%); serta Thais (Thalessa) aculeata, Trochus radiatus dan Cellana radiata tergolong melimpah ditemukan (frekuensi relatif >80%). Indeks keanekaragaman dan keseragaman gastropodanya tergolong rendah (1.49 dan 0.48), sedangkan indeks dominansinya tergolong sedang (0.52). Dari analisis PCA didapatkan spesies gastropoda yang mendominasi adalah C. mauritiana, M. arabica dan M. Musiva, kemudian hasil analisis CA memperlihatkan adanya pembentukan tiga kelompok berdasarkan
PELATIHAN PENGGUNAAN TEKNOLOGI GLOBAL POSITIONING SYSTEM (GPS) SEBAGAI ALAT BANTU OPERASI PENANGKAPAN IKAN BAGI GENERASI MILLENNIAL ACEH Imamshadiqin Imamshadiqin; Syahrial syahrial; Erniati erniati; &#039;Akla akla; Erlangga erlangga; Imanullah imanullah; Yudho andika; Muliari muliari; Arina ruzanna; Salmarika salmarika; Irmayunita irmayunita; Wilman shobara
Marine Kreatif Vol 6, No 2 (2022): Marine Kreatif
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmk.v6i2.6812

Abstract

Training on the use of GPS technology as a fishing operation tool for Aceh's millennial generation was carried out on June 21 – 27, 2021 at the Unimal Campus Reuleut, North Aceh Regency and the Indian Ocean. This training aims to educate and improve the skills of the millennial generation of Aceh Province to take advantage of the use of GPS to help detecting the presence of fish in the ocean. The training was delivered using a community development approach that included lectures and focus group discussions (FGD), as well as theory and field practice. The training was well-structured, smooth, and successful, involving the Acehnese millennial generation aged 20-25 years, with the training divided into four stages planning, preparation, implementation, and monitoring and evaluation. The material provided in the theory class includes knowledge and developments in the use of GPS globally, whereas the practical class involves the operation of GPS directly on the ship. The monitoring and evaluation results revealed that participants benefited greatly from using GPS catching tools in detecting the presence of fish, allowing them to increase catches and easily locate fishing grounds.
Co-Authors &#039;Akla akla Agus Putra AS Al Muzafri Anggi Mayulina Daulay Arina Ruzanna Azhari Mataniari Bintal Amin C.M.N. ‘Akla Chandrika Eka Larasati Cut Meurah Nurul ‘Akla Dandi Saleky Dandi Saleky Dandi Saleky Dodi Fan Halen Siregar Dodi Fanhalen Siregar Ella Suzanna Erlangga Erlangga Erlangga Erlangga Erniati Erniati Erniati, Erniati Fadlisyah Fadlisyah Febrianti Lestari Fitra Wira Hadinata Fitra Wira Hadinata Gara Hasonangan Ritonga Gara Hasonangan Ritonga Hamdi Romansah Hanisah Hanisah Hasidu, La Ode Abdul Fajar Helda Diah Ananda Helmy Akbar Hendrik V. Ayhuan Ibnu Amni Ida Marina Harahap Imamshadiqin, Imamshadiqin Imanullah Imanullah Imanullah Imanullah Irmayunita Irmayunita Irmayunita irmayunita Jasmine Wiyanda Fadillah Jemmy Manan Jihad Nasuha Meutia Handayani Muhammad Afif Tri Putra Muhammad Fauzan Isma Muhammad Hatta Muhammad Hatta Muhammad Jamil Muliari Muliari Nur Ikhsan Nur Safira Nur Safira Nuriana Dila Nursan Junita Putriningtias, Andika Repki Prasetyo Repki Prasetyo Reslina Tumangger Rika Anggraini Rika Anggraini Rika Anggraini Riri Ezraneti Risnita Tri Utami Sendy L. Merly Shela Annisa Batubara Silvia Anzhita Sorbakti Sinaga Tambah Lambok Berutu Teuku Muhammad Faisal Welmar Olfan Barat, Welmar Olfan Wilman Shobara Wilman shobara Windi Syahrian Yudho Andika Yudho Andika Zibar, Zan