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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Journal of Tropical Crop Science Jurnal Agrisistem Jurnal Teknologi Lingkungan
Faisal Hamzah
Balai Penelitian dan Observasi Laut, Balitbang KP-KKP, Perancak, Bali
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science

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The Growth of Mangroves in Created Wetland in the Porong River, East Java, Indonesia Hamzah, Faisal; Widakti, Nuryani; Sidik, Frida
Journal of Tropical Crop Science Vol 2 No 1 (2015): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.254 KB) | DOI: 10.29244/jtcs.2.1.10-15

Abstract

Mangrove plantation projects have been established in the created mangrove wetland in the mouth of the Porong River, East Java, in parallel with the construction of reclamation area for LUSI mud dumping area. This study was aimed to assess the growth of planted mangrove in a created mangrove wetland in relation to the environmental parameters, which are sediment salinity, sediment fraction, pore water salinity, pH/eH, and total organic matter (TOM) in the sediment. Periodical measurement of mangrove growth Avicennia sp. and the environmental parameters were undertaken in the created wetland and in the mud flats of intact mangrove forest nearby the created wetland as the natural reference in July to November 2012. We found that sediments in the created wetland had different characteristics of sediment fractions, sediment salinity and TOM compared to sediments in the mud flats of intact forests. Sand dominated sediments with low TOM and higher water salinity in the created wetland as compared to those in the mud flats affected growth rate of mangroves in study sites. We suggest that TOM and salinity are important factors that contribute to the growth of mangroves in the Porong River. Keywords: Mangrove, salinity, Porong River, total organic matter.
Optimalisasi Pemenuhan Nutrisi melalui Pemberian Larutan Abmix terhadap Pertumbuhan dan Produksi Cabai (Capsicum annum L.) Varietas Ayesha Farhanah, A.; Hamzah, Faisal; Hamzah, Pratiwi; Hairul, Muhammad; Azzahrah, Mauliah; Fajar, Ahmad; Ashar, Jabal Rahmat
Jurnal Agrisistem Vol. 18 No. 1 (2022): Jurnal Agrisistem
Publisher : Unit Penelitian dan Pengabdian Masyarakat Politeknik Pembangunan Pertanian Gowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52625/j-agr.v18i1.231

Abstract

Harga cabai di Indonesia setiap bulan berfluktuasi. Ketergantungan akan musim membuat produksi cabai tidak konsisten di setiap tahunnya sehingga kelangkaan sering terjadi di pasaran ketika musim tidak mendukung. Cabai Ayesha tidak hanya dimanfaatkan sebagai bahan makanan, tetapi juga bisa di gunakan sebagai tanaman hias yang bisa lebih dimanfaatkan oleh para petani untuk mendapatkan keuntungan yang lebih besar. Oleh karena itu, penelitian ini dilaksanakan untuk mengoptimalkan produksi tanaman cabai Ayesha melalui pemberian larutan AB mixpada dua jenis media tanam. Penelitian ini menggunakan rancangan RAK Faktorial dengan tiga kali ulangan dan menggunakan uji Tuckey. Hasil penelitian ini menunjukkan tidak terdapat pengaruh pada interaksi jenis media tanah dan tanah+pasir (1:1) dengan nutrisi AB Mix terhadap pertumbuhan tanaman cabai rawit Varietas Ayesha, terdapat pengaruh interaksi media tanah+pasir (1:1) dengan pemberian nutrisi ABmix 5 mL/L, 10 mL/L, dan 15 mL/L terhadap waktu munculnya bunga pada media tanah + ABmix 5 mL/L dan media tanah+pasir (1:1) dengan pemberian ABmix 15 mL/L), dan adanya kecenderungan pengaruh interaksi media tanah+pasir (1:1) dengan pemberian nutrisi ABmix (5 mL/L, 10 mL/L, dan 15 mL/L) pada berat buah cabai per tanaman.
Produksi Tanaman Selada Merah Secara Vertikultur dengan Pemberian POC Jakaba : Production of Red Lettuce Plant by Verticulture Using Jakaba POC A. Farhanah; Hamzah, Faisal; Kaharuddin; Atika; Fariz Pari, Rizfi
Jurnal Agrisistem Vol. 20 No. 1 (2024): Jurnal Agrisistem
Publisher : Unit Penelitian dan Pengabdian Masyarakat Politeknik Pembangunan Pertanian Gowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52625/j-agr.v20i1.309

Abstract

Currently, sustainable agriculture is needed to meet human needs in the long term, one of which is the use of organic matter. Jakaba is currently a very interesting novelty to test on plants. Therefore, this study was carried out to determine the effect of Jakaba fertilizer on the production of red lettuce plants verticulturally.The method used was a two-factor Random Group Design with nine types of treatments and three repeats. The first factor is POC Jakaba and the second factor is NPK fertilizer.The results showed that the application of jakaba fertilizer combined with NPK had a significant effect on increasing the height, number of leaves, root volume, and fresh weight of verticulture red lettuce plants and the application of jakaba fertilizer as much as 50% combined with NPK as much as 1 g per plant was effective in increasing the fresh weight of verticulture red lettuce plants. The conclusion obtained is that there is an influence of POC Jakaba on increasing the production of red lettuce plants verticulturally, especially in increasing the fresh weight of the plant.
Variability of Marine Carbonate Systems in Seagrass and Coral Reef Ecosystems of Pari and Lombok Islands, Indonesia Afdal, Afdal; Bengen, Dietriech G.; Wahyudi, A’an Johan; Rastina, Rastina; Purwiyanto, Anna Ida Sunaryo; Prayitno, Hanif Budi; Hamzah, Faisal; Suteja, Yulianto; Adi, Novi Susetyo; Koropitan, Alan F.
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 2 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.2.221-236

Abstract

The increase in anthropogenic CO2 emissions has induced significant physical and biogeochemical alterations in oceans worldwide, including warming, acidification, and oxygen depletion. Coastal areas are particularly vulnerable due to intensified human activities and terrestrial influences, resulting in increased coastal ocean acidification driven by atmospheric CO2 absorption and regional biological and anthropogenic processes. However, research on the collective impact of land-sea interaction and air-sea CO2 exchange on coastal ocean acidification in severely disturbed areas, such as the small islands of Lombok and Pari in Indonesia, remains limited. This study aims to investigate the daily fluctuations in marine carbonate systems and aragonite saturation (Ωarag) levels in the vicinity of seagrass and coral reef habitats in Pari Island and Sire Bay, Lombok. Seawater samples were collected from Sire Bay, Lombok, and the coastal waters of Pari Island to analyze the carbonate systems, CO₂ flux, and metabolic processes. The findings indicate that Pari Island's coastal waters are more susceptible to ocean acidification than Sire Bay, Lombok, showing significantly lower pH values and Ωarag (P<0.05), ranging from 7.60 to 8.00 and 1.04 to 2.54, respectively. This disparity arises from the decreased temperature and salinity in Pari Island's coastal waters during the northwest monsoon, coupled with the deteriorated state of the seagrass and coral reef ecosystems, altering the equilibrium of ecosystem productivity and calcification. The study underscores the necessity of adopting specific coastal management tactics to lessen the effects on fragile ecosystems, highlighting the urgency for additional studies to evaluate adaptive and conservation strategies to preserve coastal biodiversity and ecosystem services.
Evaluation of the Biophysical and Chemical Conditions of the Aquatic Environment During the Rainy Season to Mitigate the Ecological Disaster of Ciguatera Fish Poisoning (CFP) and Harmful Algal Bloom (HABs) in the Gili Matra Marine Tourism Park-Lombok: Evaluasi Kondisi Biofisikakimia Lingkungan Perairan Pada Musim Hujan Untuk Mitigasi Bencana Ekologi Ciguatera Fish Poisoning (CFP) dan Marak Alga Berbahaya (MAB) di Taman Wisata Perairan Gili Matra-Lombok Sachoemar, Suhendar Indrakusmaya; Rachman, Arief; Aliah, Ratu Siti; Megawati, Novi; Romadhona, Ekky Ilham; Meirinawati, Hanny; Prayogo, Teguh; Dewa, Riardi Pratista; Zamroni, Yuliadi; Ahyadi, Hilman; Fitriya, Nurul; Hamzah, Faisal; Garno, Yudhi Soetrisno; Susanto, Joko Prayitno; Riyadi, Agung; Haryanti; Ihsan, Iif Miftahul; Setiarti Sukotjo; Iskandar; Leonita, Shinta; Diswandi; Rahman; Muhami; Makosim, Syahril
Jurnal Teknologi Lingkungan Vol. 26 No. 2 (2025)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2025.7213

Abstract

Abstrak Ciguatera Fish Poisoning (CFP) dan fenomena Marak Alga Berbahaya (MAB) yang disebabkan oleh dinoflagellata bentik beracun merupakan salah satu bencana ekologi atau lingkungan yang dapat mengancam kesehatan manusia di kawasan pesisir Indonesia, seperti di kawasan Taman Wisata Perairan (TWP) Gili Matra yang terdiri dari 3 pulau yaitu Gili Meno, Air, dan Trawangan. TWP Gili Matra merupakan pusat wisata bahari dan kawasan konservasi laut di kawasan Nusa Tenggara Barat yang diketahui mengalami tekanan akibat aktivitas manusia dari kegiatan pariwisata dan perikanan yang berdampak negatif kepada ekosistem pesisir, terutama terumbu karang. Kondisi tersebut dapat meningkatkan kelimpahan komunitas dinoflagellata bentik beracun yang berpotensi menyebabkan terjadinya CFP dan MAB di TWP Gili Matra. Untuk itu diperlukan upaya mitigasinya agar risiko bencana ekologi CFP dan MAB dikemudian hari yang selain dapat menyebabkan terjadinya kerusakan ekosistem perairan TWP Gili Matra, tetapi juga kerugian ekonomi yang cukup besar, tidak terjadi. Menurut perhitungan ekonomi para ahli, nilai ekonomi kegiatan pariwisata di TWP Gili Matra, mencapai 26,86 triliun rupiah per tahun.  Salah satu upaya mitigasi bencana ekologi CFP dan MAB adalah dengan mengetahui kondisi lingkungan perairan di TWP Gili Matra pada musim hujan. Berdasarkan hasil survei diketahui kondisi biofisikakimia lingkungan perairan pada musim hujan bulan Desember 2022 dan Maret 2024 dalam keadaan yang sangat baik dengan tingkat eutrofikasi sebagai indikator kualitas lingkungan perairan pada tingkat ultraoligotrofik dengan nilai skor TSI (Trophic State Index) 12,9-19,4 (<30) yang mengindikasikan bahwa kesuburan perairan sangat rendah, air jernih, konsentrasi oksigen terlarut tinggi sepanjang tahun dan mencapai zona hipolimnion.   Abstract Ciguatera Fish Poisoning (CFP) and the phenomenon of Harmful Algal Bloom (HABs) caused by toxic benthic dinoflagellates are one of the ecological or environmental disasters that can threaten human health in coastal areas of Indonesia, such as in the Gili Matra Aquatic Tourism Park (ATP) area which consists of three islands, namely Gili Meno, Air, and Trawangan. ATP Gili Matra is a center for marine tourism and conservation areas in the West Nusa Tenggara region which is known to be under pressure due to human activities from tourism and fisheries activities that have a negative impact on coastal ecosystems, especially coral reefs. This condition can increase the abundance of toxic benthic dinoflagellate communities that have the potential to cause CFP and HABs in ATP Gili Matra. For this reason, mitigation efforts are needed so the risk of CFP and HABs ecological disasters in the future which can not only cause damage to the ATP Gili Matra aquatic ecosystem, but also significant economic losses, does not occur. According to economic calculations by experts, the economic value of tourism activities in ATP Gili Matra reaches IDR 26.86 trillion per year. One of the efforts to mitigate the ecological disaster of CFP and HABs is to understand the condition of the aquatic environment in ATP Gili Matra during the rainy season. Based on the survey results, it is known that the biophysical and chemical conditions of the aquatic environment during the rainy season in December 2022 and March 2024 are in very good condition with the level of eutrophication as an indicator of the quality of the aquatic environment at the ultraoligotrophic level with a TSI (Trophic State Index) score of 12.9-19.4 (<30) which indicates that water fertility is very low, the water is clear, the concentration of dissolved oxygen is high throughout the year and reaches the hypolimnion zone.
Co-Authors A. Farhanah Afdal Afdal, Afdal Agung Riyadi Ahmad Fajar Alan Frendy Koropitan Anna Ida Sunaryo Purwiyanto Arief Rachman Ashar, Jabal Rahmat atika Azzahrah, Mauliah Dietriech Geoffrey Bengen Diswandi Farhanah, A. Fariz Pari, Rizfi Frida Sidik, Frida Garno, Yudhi Soetrisno Hairul, Muhammad Hamzah, Pratiwi Hanif Budi Prayitno Haryanti Hilman Ahyadi Ihsan, Iif Miftahul ISKANDAR Joko Prayitno Susanto Kaharuddin Kaharuddin Makosim, Syahril Megawati, Novi Meirinawati, Hanny Muhami Novi Susetyo Adi, Novi Susetyo Nurul Fitriya Rahman Rastina, Rastina Ratu Siti Aliah Riardi Pratista Dewa, Riardi Pratista Romadhona, Ekky Ilham Sachoemar, Suhendar Indrakusmaya Setiarti Sukotjo Shinta Leonita Teguh Prayogo Wahyudi, A’an Johan Widakti, Nuryani Yuliadi Zamroni Yulianto Suteja