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Articles 241 - 270 of 590
Full-Text Articles in Biotechnology
Analytical Hierarchy Process For Regional Development Priority In Maluku Province, Indonesia, Larasati Lia Amellya, Khoiruluswati Nur Medisyanning, Aliyya Rizki Rahmi, Widyanarko Unggul, Putri Ratih Fitria
Analytical Hierarchy Process For Regional Development Priority In Maluku Province, Indonesia, Larasati Lia Amellya, Khoiruluswati Nur Medisyanning, Aliyya Rizki Rahmi, Widyanarko Unggul, Putri Ratih Fitria
ASEAN Journal on Science and Technology for Development
Maluku is one of the provinces of the eastern part of Indonesia, consisting of 11 regencies. The Maluku branch of Statistics Indonesia reported in 2018 that in 2013–2018 the number of poor people in Maluku's rural areas increased by 1,970. Concurrently, the number of poor people in urban areas decreased by around 6,070 people. This fact showed that development in Maluku Province hadn't been implemented effectively and equally. This study aimed to determine the development priority in Maluku Province using the Analytical Hierarchy Process method. The determination of priorities was based on three aspects in the human development index concept, …
Stable Carbon Isotope Signature Of Particulate Organic Matter In The Southwestern Sumatran Waters Of The Eastern Indian Ocean, Wahyudi A'An Johan, Afdal Afdal, Meirinawati Hanny
Stable Carbon Isotope Signature Of Particulate Organic Matter In The Southwestern Sumatran Waters Of The Eastern Indian Ocean, Wahyudi A'An Johan, Afdal Afdal, Meirinawati Hanny
ASEAN Journal on Science and Technology for Development
The Southwestern Sumatran Waters of the Eastern Indian Ocean are known to be affected by the South Java Current and the South Equatorial Counter Current. Many studies have been carried out in relation to upwelling and the Indonesian Through Flow. However, there has been no systematic study into the properties of the particulate organic matter in the Southwestern Sumatran Waters. Therefore, the organic matter in these waters in terms of its origin is unknown. As part of the Widya Nusantara Expedition 2015 research cruise, this study aimed to examine the stable isotope ?13C signature of particulate organic matter (POM), especially …
Developing Alternative Mangrove Ecosystem Management Scenarios Through Economic Valuation In The Coastal Area Of Jangkaran Village, Kulon Progo Regency, Indonesia, Ariestantya Dwike, Harini Rika
Developing Alternative Mangrove Ecosystem Management Scenarios Through Economic Valuation In The Coastal Area Of Jangkaran Village, Kulon Progo Regency, Indonesia, Ariestantya Dwike, Harini Rika
ASEAN Journal on Science and Technology for Development
Mangrove ecosystems have multiple functions, including economic and environmental ones. For optimal benefits, mangrove ecosystem management should be well-proportioned. The purpose of this study was to determine the most appropriate scenario for managing a mangrove ecosystem alongside aquaculture ponds, by performing an economic valuation to find out the value of management with the most beneficial scenarios, both ecologically and economically. Data were collected through interviews using questionnaires, literature reviews, and institutional data. These data were then processed through economic valuations of the total economic value and cost-benefit analysis. Data were analysed spatially and descriptive-quantitatively. The total economic value of the …
Poverty Approach And How To Reduce It With An Agropolitan Program In Gorontalo Province, Indonesia, Rahmawati Aulia Ika, Ardianti Lutfi, Husna Salma Hayyu Nur, Paryani Eni, Rosidhah Nur Amrina, Amalia Tiara Putri, Putri Ratih Fitria
Poverty Approach And How To Reduce It With An Agropolitan Program In Gorontalo Province, Indonesia, Rahmawati Aulia Ika, Ardianti Lutfi, Husna Salma Hayyu Nur, Paryani Eni, Rosidhah Nur Amrina, Amalia Tiara Putri, Putri Ratih Fitria
ASEAN Journal on Science and Technology for Development
This study aimed to explain the conditions of poverty in Gorontalo Province, Sulawesi, Indonesia, to identify the causes of poverty in the province, and then to propose efforts to reduce this poverty. Data related to human and economic resources were used in the analysis. The condition of poverty was seen through the DPSIR approach, which consists of the driver (D), pressure (P), state (S), impact (I), and response (R). Poverty in Gorontalo Province could be reduced by utilizing the occupation that dominates the population, which is in agriculture sector. Therefore, developing an agropolitan system is a solution. In the first …
Spatial Trends Of Urban Physical Growth Of Cities In Java, Indonesia, 1975–2015, Marwasta Djaka
Spatial Trends Of Urban Physical Growth Of Cities In Java, Indonesia, 1975–2015, Marwasta Djaka
ASEAN Journal on Science and Technology for Development
This paper discusses the spatial trends of urban physical growth of several cities in Java. Six cities in Java (Jakarta, Bandung, Semarang, Yogyakarta, Surabaya, and Malang) were chosen as samples to represent the characteristics of cities in Java based on their geographic settings, including their topography, size, population density, and history of their development. The objectives of this study were: (1) to understand the variations in physical growth of cities in Java; and (2) to explain the spatial trends of urban physical growth of these cities based on their geographic settings. Multi-temporal Landsat satellite images were chosen as data sources …
Analysis Of Barite Concrete As A Potential Neutron Radiation Shielding Material For Bnct Facilities, Murtafi'atin Rini, Widarto Widarto, Susilo Susilo, Made Dharma Putra Ngurah
Analysis Of Barite Concrete As A Potential Neutron Radiation Shielding Material For Bnct Facilities, Murtafi'atin Rini, Widarto Widarto, Susilo Susilo, Made Dharma Putra Ngurah
ASEAN Journal on Science and Technology for Development
This research aimed to determine the potential of barite concrete as a neutron radiation shielding material in the development of boron neutron capture therapy, by obtaining its neutron attenuation coefficient. Barite concrete samples were supplied by the Center of Accelerator Science and Technology in Yogyakarta, Indonesia. The experiment consisted of two parts, namely density analysis and determination of the neutron attenuation coefficient. For the latter, plutonium-beryllium was used as the neutron source, while a high purity germanium detector was used to measure the neutron radiation level. The results showed that barite concrete with a 2130 kg.m–3 density had a neutron …
Removal Of Heavy Metals From An Actual Small Scale Gold Mining Wastewater By Sorption Onto Cocopeat, Samaniego Jessie O., Tanchuling Maria Antonia N.
Removal Of Heavy Metals From An Actual Small Scale Gold Mining Wastewater By Sorption Onto Cocopeat, Samaniego Jessie O., Tanchuling Maria Antonia N.
ASEAN Journal on Science and Technology for Development
Cocopeat, a by-product of coconut husk, was used as adsorbent material to remove mercury (Hg) and other heavy metals (As, Ba, Cd, Pb) from the wastewater gathered from the tailings collection tank of a ball mill facility at the small scale gold mining (SSGM) area in Camarines Norte province, Philippines. Batch sorption tests were carried out using actual wastewater samples with reduced suspended solids collected after 60 min of settling and without modifying the pH and other parameters to simulate the actual condition in the field. Batch tests of water samples with an initial pH of 7.30 and adsorbent dose …
Gamma Radiography Testing Of Collimators For Boron Neutron Capture Therapy, Simangunsong Deo Clinton Maranatha, Sardjono Yohannes, Setyahandana Budi, Santosa Sigit, Nurjaman Fajar
Gamma Radiography Testing Of Collimators For Boron Neutron Capture Therapy, Simangunsong Deo Clinton Maranatha, Sardjono Yohannes, Setyahandana Budi, Santosa Sigit, Nurjaman Fajar
ASEAN Journal on Science and Technology for Development
Boron neutron cancer therapy is a cancer treatment method that encompasses epithermal neutron irradiation of boron delivered to tumor cells. Using collimators, fast neutrons are moderated into epithermal neutrons. When radiation is performed, neutron beams are emitted and filtered by a collimator. In this study, 12 collimators used in the BNCT process were inspected for their quality, in terms of defects or flaws. The inspected collimators were manufactured by centrifugal casting and were composed of 99% pure nickel. They had the following dimensions: height of 145 mm, outer diameter of 190 mm, inner diameter of 160 mm, and thickness of …
Rockwell Hardness Testing Of Pure Nickel Collimators For Bnct Application, Prakasita Erasmus, Sardjono Yohanes, Setyahandana Budi
Rockwell Hardness Testing Of Pure Nickel Collimators For Bnct Application, Prakasita Erasmus, Sardjono Yohanes, Setyahandana Budi
ASEAN Journal on Science and Technology for Development
In this study, Rockwell and Brinell hardness testing was used to examine material hardness. These methods were chosen because they are easy to carry out, relatively inexpensive, and almost all sizes and shapes can be tested, in which nickel hardness before and after centrifugal casting are identified and compared. These tests enable the determination of the hardness numbers of nickel collimators using for boron neutron capture therapy. The samples were five nickel plates with a dimension of 4.5 × 4.5 cm and five collimators. The collimators were cylindrical and made using centrifugal casting. The basic principle of the hardness test …
Feed Supplementation With Encapsulated Indigenous Probiotic Lactic Acid Bacteria Increased Broiler Chicken Performance, Pradipta Monica Sonia Indri, Harimurti Sri, Widodo Widodo
Feed Supplementation With Encapsulated Indigenous Probiotic Lactic Acid Bacteria Increased Broiler Chicken Performance, Pradipta Monica Sonia Indri, Harimurti Sri, Widodo Widodo
ASEAN Journal on Science and Technology for Development
The oral application of probiotics in the poultry industry is time-consuming and laborious. Therefore, using a powdered probiotic supplement that can easily mix with feed is important. We investigated the effect of spray drying encapsulation on the viability of indigenous probiotic lactic acid bacteria during production and storage and evaluated broiler chicken performance after providing the supplement. Encapsulated probiotics exhibited >80% survival rates after spray drying. All bacterial species maintained up to 80% cell viability rates after exposure to 80–85°C temperatures for 15 or 30 s. The viable cell number of all encapsulated bacteria decreased over seven weeks of storage. …
Characteristics In Water Phantom Of Epithermal Neutron Beam Produced By Double Layer Beam Shaping Assembly, Bilalodin Bilalodin, Suparta Gede Bayu, Hermanto Arief, Palupi Dwi Satya, Sardjono Yohannes
Characteristics In Water Phantom Of Epithermal Neutron Beam Produced By Double Layer Beam Shaping Assembly, Bilalodin Bilalodin, Suparta Gede Bayu, Hermanto Arief, Palupi Dwi Satya, Sardjono Yohannes
ASEAN Journal on Science and Technology for Development
A Double Layer Beam Shaping Assembly (DLBSA) was designed to produce epithermal neutrons for BNCT purposes. The Monte Carlo N-Particle eXtended program was used as the software to design the DLBSA and phantom. Distribution of epithermal neutron and gamma flux in the DLBSA and phantom and absorbed dose in the phantom were computed using the Particle and Heavy Ion Transport code System program. Testing results of epithermal neutron beam irradiation of the water phantom showed that epithermal neutrons were thermalized and penetrated the phantom up to a depth of 12 cm. The maximum value of the absorbed dose was 2 …
Overview On Steady-State Nuclear Methods For Bwr Nuclear Core Design And Analysis, Chiang Ren-Tai
Overview On Steady-State Nuclear Methods For Bwr Nuclear Core Design And Analysis, Chiang Ren-Tai
ASEAN Journal on Science and Technology for Development
An overview on nuclear methods for boiling water reactors (BWR) core design and analysis is provided based on the ANS Standard 19.3. The steady-state BWR nuclear methods, composed of neutron cross section library generation method, lattice physics method and core physics method, are systematically reviewed and associated computer codes in common use for BWR core design and analysis are listed. Verification and validation, the two complementary aspects in determining the range of applicability of the calculation system, are discussed extensively. The biases and uncertainties for the predictions from the calculation system over its demonstrated range of applicability are also discussed.
Overview Of Boron Neutron Capture Therapy: A Medical Aspect, Bangun Alan Anderson, Poedjomartono Bagaswoto
Overview Of Boron Neutron Capture Therapy: A Medical Aspect, Bangun Alan Anderson, Poedjomartono Bagaswoto
ASEAN Journal on Science and Technology for Development
Cancer is an abnormal growth of a cell due to the cell’s inability to control and maintain its proliferation, differentiation and apoptosis cycle. There are several methods to treat cancer; one of which is boron neutron capture therapy (BNCT). BNCT is a radiation modality by which a high radiation dose is delivered to tumor cells with lower damage to surrounding normal tissue. This modality has been used widely as a treatment for several cancer cases, such as head and neck cancer, breast cancer, and liver cancer. BNCT uses sodium borocaptate (BSH) or boronophenylalanine (BPA) as the delivery agent. Then, the …
Dosimetry Of In Vivo Experiment For Lung Cancer Based On Boron Neutron Capture Therapy On Radial Piercing Beam Port Kartini Nuclear Reactor By Mcnpx Simulation Method, Maysaroh Atika, Kusminarto Kusminarto, Palupi Dwi Satya, Sardjono Yohannes
Dosimetry Of In Vivo Experiment For Lung Cancer Based On Boron Neutron Capture Therapy On Radial Piercing Beam Port Kartini Nuclear Reactor By Mcnpx Simulation Method, Maysaroh Atika, Kusminarto Kusminarto, Palupi Dwi Satya, Sardjono Yohannes
ASEAN Journal on Science and Technology for Development
Cancer is one of the leading causes of death globally, with lung cancer being among the most prevalent. Boron Neutron Capture Therapy (BNCT) is a cancer therapy method that uses the interaction between thermal neutrons and boron-10 which produces a decaying boron-11 particle and emits alpha, lithium 7 and gamma particles. A study was carried out to model an in vivo experiment of rat organisms that have lung cancer. Dimensions of a rat’s body were used in Konijnenberg research. Modeling lung cancer type, non-small cell lung cancer, was used in Monte Carlo N Particle-X. Lung cancer was modeled with a …
Dose Analysis Of Gadolinium Neutron Capture Therapy (Gdnct) On Cancer Using Shield-Hit12a, Fasni Bagus Novrianto, Sardjono Yohannes, Lapanporo Boni Pahlanop
Dose Analysis Of Gadolinium Neutron Capture Therapy (Gdnct) On Cancer Using Shield-Hit12a, Fasni Bagus Novrianto, Sardjono Yohannes, Lapanporo Boni Pahlanop
ASEAN Journal on Science and Technology for Development
This research aimed to determine the dose of radiation received in cancer therapy for each decay of Gadolinium atomic nuclei with isotope 157 (157Gd) in Gadolinium Neutron Capture Therapy using the SHIELD-HIT12A program. Knowing the amount of dose given to cancer tissue should aid in minimizing the damage that could occur in the healthy tissue around the cancer tissue, effectively killing only the cancer cells. The simulation employed in this research used the SHIELD-HIT12A program by providing input on beam.dat, mat.dat, detect.dat, and geo.dat files. The output data from the program comprised the value of recoil energy lost (energy absorbed …
Analysis Of Radiation Interactions And Biological Effects For Boron Neutron Capture Therapy, Chiang Ren-Tai
Analysis Of Radiation Interactions And Biological Effects For Boron Neutron Capture Therapy, Chiang Ren-Tai
ASEAN Journal on Science and Technology for Development
The direct and indirect ionizing radiation sources for boron neutron capture therapy (BNCT)are identi?ed. The mechanisms of physical, chemical and biological radiation interactions for BNCT are systematically described and analyzed. The relationship between the effect of biological radiation and radiation dose are illustrated and analyzed for BNCT. If the DNAs in chromosomes are damaged by ion- izing radiations, the instructions that control the cell function and reproduction are also damaged. This radiation damage may be reparable, irreparable, or incorrectly repaired. The irreparable damage can result in cell death at next mitosis while incorrectly repaired damage can result in mutation. Cell …
Dose Analysis Of In Vitro And In Vivo Test For Boron Neutron Capture Therapy (Bnct), Faqqiyyah Hamidatul, Sunarno Sunarno, Akhlis Isa, Sardjono Yohannes
Dose Analysis Of In Vitro And In Vivo Test For Boron Neutron Capture Therapy (Bnct), Faqqiyyah Hamidatul, Sunarno Sunarno, Akhlis Isa, Sardjono Yohannes
ASEAN Journal on Science and Technology for Development
The purpose of this study was to determine the in vitro and in vivo doses of boron neutron capture cancer therapy (BNCT) using the SHIELD-HIT12A program. To be able to determine the recoil energy, the research was conducted using the Monte Carlo method. Running data obtained the value of ionization activity and recoil lost. The results showed that in vitro and in vivo doses of BNCT for soft tissue irradiation had a value of 0.312 × 10-2 Sv, which is safe and does not harm healthy body tissue around the cancer cells because it is below the threshold of 1.5 …
Beam Shaping Assembly Optimization For Boron Neutron Capture Therapy Facility Based On Cyclotron 30 Mev As Neutron Source, Fauzi Arief, Tsurayya Afifah Hana, Harish Ahmad Faisal, Wijaya Gede Sutresna
Beam Shaping Assembly Optimization For Boron Neutron Capture Therapy Facility Based On Cyclotron 30 Mev As Neutron Source, Fauzi Arief, Tsurayya Afifah Hana, Harish Ahmad Faisal, Wijaya Gede Sutresna
ASEAN Journal on Science and Technology for Development
A design of beam shaping assembly (BSA) installed on cyclotron 30 MeV model neutron source for boron neutron capture therapy (BNCT) has been optimized using simulator software of Monte Carlo N-Particle Extended (MCNPX). The Beryllium target with thickness of 0.55 cm is simulated to be bombarded with 30 MeV of proton beam. In this design, the parameter regarding beam characteristics for BNCT treatment has been improved, which is ratio of fast neutron dose and epithermal neutron flux. TiF3 is replaced to 30 cm of 27Al as moderator, and 1.5 cm of 32S is combined with 28 cm of 60Ni as …
Ship-Mediated Marine Bioinvasions: Need For A Comprehensive Global Action Plan, Anil Arga Chandrasekar, Krishnamurthy Venkat
Ship-Mediated Marine Bioinvasions: Need For A Comprehensive Global Action Plan, Anil Arga Chandrasekar, Krishnamurthy Venkat
ASEAN Journal on Science and Technology for Development
Concern for marine bioinvasion has drawn international attention. The action plans in place to address this issue and those that are being promulgated are in need of a reassessment. A review of invertebrate invasions across the world indicates inter-linkages between vectors. In this paper an effort is made to illustrate the geographical spread of invasive invertebrate organisms from different bioregions and the possible causes for their success. Shipping, which is the major vector identified for the success of marine bioinvasion, needs to be addressed in tandem with domestic, intra- and inter-regional precautionary measures, as prevention is the only cure.
Marine Macroalgae: Prospective Hitchhikers Of Ship Ballast, Imchen Temjensangba
Marine Macroalgae: Prospective Hitchhikers Of Ship Ballast, Imchen Temjensangba
ASEAN Journal on Science and Technology for Development
Invasive alien species, on successful establishment, can displace native species. The threat of invasive species arises in view of their ability to outcompete and destabilize native biodiversity. Invasive species are found across all taxonomic groups of plants, animals and microorganisms. The green macroalga Ulva flexuosa has a potential to become invasive and this species was investigated for its hitchhiking potential under laboratory conditions. Zoospores of U. flexuosa were maintained at 4°C for nearly 10 months in the dark. Recruitment potential of zoospores after dark stress was tested in a modified Provasoli medium under optimal laboratoryconditions. The success rate of zoospore …
Industrial Seawater Cooling Systems Under Threat From The Invasive Green Mussel Perna Viridis, Venugopalan Vayalam P.
Industrial Seawater Cooling Systems Under Threat From The Invasive Green Mussel Perna Viridis, Venugopalan Vayalam P.
ASEAN Journal on Science and Technology for Development
The green mussel Perna viridis, native to the Asia-Pacific region, has been introduced to other regions such as the Caribbean, Japan and North and South America. It is a large, commercially important species, widely cultivated and harvested in Southeast Asia, but is also considered an invasive species elsewhere, capable of replacing native species. As a fouling organism in intake systems of coastal power plants, it causes flow blockage and loss of cooling efficiency. Mussel colonization during peak settlement season can exceed 35,000 individuals/m2 and biomass can exceed 100 kg/m2. They can withstand wide fluctuations in temperature and salinity. Previous work …
Composition Of Ballast Water From Ships Arriving At Kertih Port, Malaysia With Observations On Port And Offshore Waters, And Notes On Settlement Patterns Of Fouling Organisms, Hing Lee Siang, Bhubalan Kesaven, Tan Peck Ying, Husain Rohaida Mat
Composition Of Ballast Water From Ships Arriving At Kertih Port, Malaysia With Observations On Port And Offshore Waters, And Notes On Settlement Patterns Of Fouling Organisms, Hing Lee Siang, Bhubalan Kesaven, Tan Peck Ying, Husain Rohaida Mat
ASEAN Journal on Science and Technology for Development
We investigated plankton composition and water quality of ballast water from seven international ships docked at Kertih Port, Malaysia. Coscinodiscophyceae and cyanobacteria were the dominant phytoplankton found in ballast water samples, whereas copepod nauplii, Oithona sp., Microstella sp. and Paracalanus sp. were the dominant zooplankton. The densities for both phytoplankton and zooplankton in ships’ ballast and port waters were higher than those of offshore samples. All water quality parameters (except Cr) of port samples were within the safety levels prescribed for ports, oil and gas fields (Class 3) by the Malaysia Marine Water Quality Criteria Standard. The study of fouling …
Simulation Of Ballast Water Dispersion In The Gulf Of Tonkin And Offshore Waters Of Hai Phong Port, Vietnam, Le Hoang Mai, Nguyen Cong Minh, Vu Thanh Ca, Tran Thanh Thuy, Nguyen Van Dien, Dang Huy Ram
Simulation Of Ballast Water Dispersion In The Gulf Of Tonkin And Offshore Waters Of Hai Phong Port, Vietnam, Le Hoang Mai, Nguyen Cong Minh, Vu Thanh Ca, Tran Thanh Thuy, Nguyen Van Dien, Dang Huy Ram
ASEAN Journal on Science and Technology for Development
Transfer of invasive alien organisms and their negative impacts have been recorded around the world. It is estimated that approximately 7,000 species of marine creatures are silently moved around the world by ballast water every hour. Recently, discharge of ballast water in the coastal area has become a serious concern. The movement of discharged ballast water and accompanying alien organisms largely depends on the preveiling hydrodynamics of the receiving water body. Dynamics simulation models for marine environment provide sound prediction of dispersion of ballast water. The study was undertaken in the seas of the Gulf of Tonkin and in the …
An Inter-Site Study Of Biofouling Recruitment On Static Immersion Panels In Major Ports Of South East Asia And India, Lim Chin Sing, Jolkifli Zuliza Haji, Jair Alina, Karim Noorizan, A. Wahab Ranimah, Desai Dattesh V., Krishnamurthy Venkat, Khandeparker, Mapari Kaushal, Sawant Subhash, Thoha Hikmah, Hadiyanto Hadiyanto, Dirhamsyah Dirhamsyah, Dalasane Soukaseum, Chounlamountry Kongneun, Hing Lee Siang, H. Yusof Shahruddin Bin, Khaing Myint Myint, E. Nacorda Hildie M., Austero Nero, Azanza Rhodora V., Pagdilao Cesario, Kajonwattanakul Sumana, Puttapreecha Ratchanee, Poovachiranon Sombat, Le Hoang Mai, Tran Thanh Thuy, Nguyen Van Cu, Tan Koh Siang, Anil Arga Chandrashekar
An Inter-Site Study Of Biofouling Recruitment On Static Immersion Panels In Major Ports Of South East Asia And India, Lim Chin Sing, Jolkifli Zuliza Haji, Jair Alina, Karim Noorizan, A. Wahab Ranimah, Desai Dattesh V., Krishnamurthy Venkat, Khandeparker, Mapari Kaushal, Sawant Subhash, Thoha Hikmah, Hadiyanto Hadiyanto, Dirhamsyah Dirhamsyah, Dalasane Soukaseum, Chounlamountry Kongneun, Hing Lee Siang, H. Yusof Shahruddin Bin, Khaing Myint Myint, E. Nacorda Hildie M., Austero Nero, Azanza Rhodora V., Pagdilao Cesario, Kajonwattanakul Sumana, Puttapreecha Ratchanee, Poovachiranon Sombat, Le Hoang Mai, Tran Thanh Thuy, Nguyen Van Cu, Tan Koh Siang, Anil Arga Chandrashekar
ASEAN Journal on Science and Technology for Development
Limited knowledge of native marine biodiversity hinders effective biodiversity management to safeguard South and Southeast Asia’s marine coastal environment against the threat of invasive species transfer through shipping. In particular, sessile marine biofouling organisms in South East Asian ports are poorly known. Through the support of the ASEAN-India Cooperation Project on the Extent of Transfer of Alien Invasive Organisms in South/South East Asia Region by Shipping, a coordinated effort to examine diversity of biofouling organisms in major port areas in Southeast Asia and India was made using polyvinylchloride (PVC) panels as recruitment surfaces in a static immersion study for a …
Asean-India Cooperation Project On ‘Extent Of Transfer Of Alien Invasive Organisms In South/Southeast Asia Region By Shipping’, Chandrasekar Anil Arga, Tan Koh Siang
Asean-India Cooperation Project On ‘Extent Of Transfer Of Alien Invasive Organisms In South/Southeast Asia Region By Shipping’, Chandrasekar Anil Arga, Tan Koh Siang
ASEAN Journal on Science and Technology for Development
A brief background of events leading to the successful implementation of the first ASEAN-India project on marine sciences is provided. Coordinated by India and Singapore, the project, entitled ‘Extent of transfer of alien invasive organisms in South/Southeast Asia region by shipping’ served to develop regional cooperation and networks to address the issue of alien invasive organisms, provide training for ASEAN scientists, as well as obtain baseline information on pest species for port management in the light of IMO’s Ballast Water Management Convention. The project was completed with an international workshop held in Chiangmai, Thailand where some 29 presentations were made …
Plate Settlement: Determination Of Fouling Organisms In Brunei, Jolkifli Hjh Zuliza Hj, Wahab Ranimah H.A
Plate Settlement: Determination Of Fouling Organisms In Brunei, Jolkifli Hjh Zuliza Hj, Wahab Ranimah H.A
ASEAN Journal on Science and Technology for Development
Shipping is considered a primary vector of biological invasion. Hull fouling is recognized as one of the common vectors involved in the translocation of marine pests that may have deleterious impacts to ecology and economy. In an effort to understand the fouling communities within Brunei waters and as an early attempt to obtain baseline data, PVC plates were deployed at a depth of 1 meter, checked for taxa composition and replaced with new plates monthly and quarterly over a period of one year. The Caribbean bivalve Mytilopsis sallei was absent throughout the period of study, and plates were mainly colonized …
Marine Phytoplankton In Port And Ship’S Ballast Water At Tanjung Priok Harbour, North Jakarta, Indonesia, Thoha Hikmah, Rachman Arief
Marine Phytoplankton In Port And Ship’S Ballast Water At Tanjung Priok Harbour, North Jakarta, Indonesia, Thoha Hikmah, Rachman Arief
ASEAN Journal on Science and Technology for Development
This research aimed to study the phytoplankton community in ships’ ballast water in comparison with the natural assemblages in the waters of Tanjung Priok Harbour in Jakarta, Indonesia. Phytoplankton samples were collected between November 2011 to October 2012 from four ports of Tanjung Priok Harbour and from discharged ballast water of randomly selected ships in the port. Skeletonema, Thalassiosira, and Chaetoceros were three predominant phytoplankton genera in all samples. Ceratium and Protoperidinium were also commonly found in high densities in most samples. An unusual phytoplankton bloom (> 109 cells m-3) was observed in the ballast water sample taken in March …
Marine Fouling Panel Survey And Assessment Of Marine Alien Invasive Species In Myanmar, Khaing Myint Myint
Marine Fouling Panel Survey And Assessment Of Marine Alien Invasive Species In Myanmar, Khaing Myint Myint
ASEAN Journal on Science and Technology for Development
A survey on fouling using PVC panels was carried out for a period of one year in Yangon River. Additional observations on fouling of man-made structures elsewhere in Myanmar were also made in an effort to find marine alien invasive species. The Myanmar ports at Yangon, Sittway and Myeik have a long history of overseas trading with Europe since the 17th century. In addition, though the Yangon port and jetties are located upstream some 12 miles from the mouth of Yangon River, it experiences regular tidal action with seasonal brackish water conditions. Its catchment area is only 100 miles from …
Phytoplankton And Bacterial Communities In South Harbour, Manila Bay, Philippines, Azanza Rhodora V, Austero Nero M, Dungca Jenelle Clarisse R., Caspe Frenchly Joyce O., Khandeparker Lidita
Phytoplankton And Bacterial Communities In South Harbour, Manila Bay, Philippines, Azanza Rhodora V, Austero Nero M, Dungca Jenelle Clarisse R., Caspe Frenchly Joyce O., Khandeparker Lidita
ASEAN Journal on Science and Technology for Development
In line with the ASEAN-India project “Extent of Transfer of Alien Invasive Organisms in South/Southeast Asia via Shipping”, phytoplankton and bacterial communities in the waters off South Harbour, Manila Bay were investigated. Sampling was done in July and August 2012 and in April and May 2013. A total of 67 phytoplankton species including 29 diatoms and 38 dinoflagellates were identified. Potentially toxic Pseudo-nitzschia spp. were among the diatoms found as well as dinoflagellates Alexandrium spp., and Gymnodinium spp. The diatom Skeletonema costatum appeared to be the dominant species in July and August 2012, whereas Chaetoceros spp. constituted over 85% of …
Ballast Water Control And Management In Brunei Darussalam, Jolkifli Hjh Zuliza Hj, Wahab Ranimah H.A
Ballast Water Control And Management In Brunei Darussalam, Jolkifli Hjh Zuliza Hj, Wahab Ranimah H.A
ASEAN Journal on Science and Technology for Development
The ongoing transfer of non-indigenous organisms through shipping, especially via ballast water transport, is placing marine and coastal resources under increased threat. The transport of Invasive Alien Species (IAS) is a critical issue which may cause irreversible consequences to receiving environments and economies needing particular attention. The main objective of this paper is to highlight the importance for implementation of ballast water management measures in Brunei Darussalam. This paper recognised IAS intrusion via ballast water has high probability to have direct effects on the economic value of fisheries sector, thus the need for an effective ballast water management strategy. Management …