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134 articles for “waters”
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Research ArticleOpen accessEvery word in the titleThe Identification and Quantification of Marine Fish from Environmental DNA in Sulawesi Waters (Makassar Strait, Flores Sea and Bone Bay), IndonesiaNita Rukminasari, Andi Aliah Hidayani, Wilma Joanna Carolina Moka et al.The emergence of environmental DNA (eDNA) represents a recent methodological breakthrough for evaluating the presence of aquatic vertebrate species. This approach offers a relatively simple method with significant implications for conservation biology. Our study aim was to augment our understanding of marine fish biodiversity in Sulawesi waters. We employed eDNA metabarcoding to investigate fish biodiversity within Sulawesi waters, specifically focusing … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 5 Jul 2024 · 5,005 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTemporal Variations in Abundance and Species Richness of Zooplankton with Emphasis on Ichthyoplankton in the Subtidal Waters of Umm Al-Namil Island, Northwestern Arabian Gulf of the ROPME Sea AreaMohammad Ali, Matrah Al-Mutairi, M.N.V. Subrahmanyam et al.Zooplankton, including the ichthyoplankton, abundance and species richness over time in the subtidal waters of Umm Al-Namil Island, Kuwait Bay, were sampled and quantified from September 2016 to August 2017. At the same period, physicochemical measurements (i.e., water temperature, pH, salinity, dissolved oxygen and nutrient concentrations) occurred. A total of 9 larval fish families were identified: Acropomatidae, Bregmacerotidae, Bythitidae, Clupeidae, … …American Journal of Environmental Sciences, Vol. 15, Issue 6 · 21 Jan 2020 · 7,826 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMolecular Approach to Identify Gobioid Fishes, “Nike” and “Hundala” (Local Name), from Gorontalo Waters, IndonesiaAbdul Hafidz Olii, Femy M. Sahami, Sri Nuryatin Hamzah, Nuralim PasisingiData of the species scientific name is required to study biodiversity and conservation of local fish species. Nike and hundala are the local names for fish found in Gorontalo whose scientific names are unknown and recognized by local people as two different species of fish. This study aims to identify the genetic and species of nike and hundala fish. Nike … …OnLine Journal of Biological Sciences, Vol. 19, Issue 1 · 11 Feb 2019 · 8,506 accessesView PDFCite
Case ReportOpen accessEvery word in the titleTraditional Fishermen in Rote Island: An Alternative Livelihood to Illegal Fishing Activities in the Indonesian-Australian Transboundary WatersFred Benu, Paul G. King, AgusNalle, Moni MuskananAt the moment there are about 210 Indonesian fishermen, many from Rote Island, the majority from the village of Papela, still detained in Australia Detention Centres for carrying on illegal fishing activities in the Australian Exclusive Economic Zone. These fishing activities are not driven by economic factors only, but also by their historical background. By understanding the economic, historical and … …American Journal of Agricultural and Biological Sciences, Vol. 13, Issue 1 · 27 Jul 2018 · 9,406 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTotal Petroleum Hydrocarbons By Gas Chromatography in Colombian Waters and SoilsC.. González, S. Roa, A. Suspes et al.Total Petroleum Hydrocarbons (TPHs) were required by the Colombian Environmental Authorities. However, the great diversity of hydrocarbon sources, in addition to the variety of available techniques and analytical methods had created confusion among the users of the data in regards to the appropriate methodologies. This study presents the results obtained in the method validation for the determination of TPHs in … …American Journal of Environmental Sciences, Vol. 8, Issue 4 · 20 Jun 2012 · 9,211 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimizing Coagulation Process for Low to High Turbidity Waters Using Aluminum and Iron SaltsAkbar Baghvand, Ali Daryabeigi Zand, Nasser Mehrdadi, Abdolreza KarbassiProblem statement: Turbid waters, containing colloidal particles, are normally treated by coagulation-flocculation followed by clarification. Ferric chloride and alum, which are the most common types of coagulants in water treatment plants of Iran as well as many other countries, were investigated with the aim of determining their capabilities to reduce turbidity of drinking water. Turbidity was added as kaolin. Optimization … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 21,079 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Study on Concentrations of Dissolved Oxygen and Chlorophyll-a in the Coastal Waters of BabolsarSiamak Jamshidi, Noordin Bin Abu Bakar, Marzieh YousefiProblem statement: Dissolved Oxygen (DO) and Chlorophyll-a (Chl-a) are two vital requirements for marine ecosystems. Nowadays, discharge of large amounts of industrial, agricultural and urban wastes threats the Caspian Sea (CS) environment. With regard to the elevation of nutrient contents, average of DO concentrations in the deeper layers of the CS is reducing. On the other hand, increased amounts of … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 7,029 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Assessment of Metals (Pb and Cu) Contamination in Bottom Sediment from South China Sea Coastal Waters, MalaysiaM. C. Ong, B. Y. KamaruzzamanProblem statement: The accumulation of metal contaminants in sediments can pose serious environmental problems to the surrounding areas. Trace metal contamination in sediment could affect the water quality and the bio-assimilation and bioaccumulation of metals in aquatic organisms, resulting in potential long-term implications on human health and ecosystem. Approach: About 154 bottom sediment samples were collected using Smith McIntyre in … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,991 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDesalination leading to Salinity Variations in Kuwait Marine WatersAhmad E. Al-DousariProblem statements: The salinity of seawater is a critical issue for desalination process. Approach: The salinity changes in the coastal waters of Kuwait due to large scale power and desalination activity were evaluated. Results: Systematic sampling campaigns were planned to cover the uptake and outfall of the desalination plant spreading evenly the sampling points to cover the freshwater input zone … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,106 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of Alternative Cropping and Nutrient Management Systems with Soil and Water Assessment Tool for the Raccoon River Watershed Master PlanPhilip Gassman, Manoj Jha, Calvin Wolter, Keith SchillingThe Soil and Water Assessment Tool (SWAT) ecohydrological model was used to assess a suite of adaptive nutrient management, alternative cropping system and combination scenarios in support of a Master Plan that was developed to help guide policy makers, land owners and other stakeholders in improving water quality for the 9,400 km2 Raccoon River watershed in west central Iowa, located … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 9 Sep 2015 · 7,612 accessesView PDFCite