ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
ABSTRACT Artificial reefs have been utilized throughout the world for many different purposes. The majority of artificial reefs globally are related to fisheries ecology and management. In fact, artificial reefs are capable of attracting and aggregating fishes as well as enhancing the habitats of other ...
ABSTRACT This study examined the flow fields in a rearing tank by numerical calculation. In this calculation, we modified the numerical calculation by Shiotani et al. (2005) by assuming that flow fields are two-phase flows, and changing the boundary conditions. We numerically calculated the flow fields ...
ABSTRACT In recent years, the extreme climate condition has caused serious disasters on coastal areas. The research report of National Communication of the Republic of China, Intergovernmental Panel on Climate Change(IPCC) and United National Environment Programme(UNEP) indicate that coast and islands ...
ABSTRACT Osaka bay located in western Japan is one of the famous semi-closed water areas in Japan. Around this bay, the natural beach almost completely disappeared due to the development of the seafront zone. On the other hand, former Osaka bay has rich fishery resource; it was called ""Chinu-no-Umi"" ...
ABSTRACT This study is to develop a new compound cage system that not only maintains benefit of the traditional cage system but also has extra economic value to it by hanging a series of oyster trays on the circumference of the floating collar. The purpose of this study is to investigate the influence ...
ABSTRACT Osaka bay located in western Japan is one of the famous semi-closed water areas in Japan. Around this bay, the natural beach almost completely disappeared due to the development of the seafront zone. On the other hand, former Osaka bay has rich fishery resource; it was called "Chinu-no-Umi" ...
ABSTRACT In this study, we propose marine biomass utilization system and describe an anaerobic digestion system using marine biomass and food waste. Four scenarios are presented with varying the size of anaerobic digestion plant. We conduct feasibility studies of the anaerobic digestion system from ...
ABSTRACT Every year, a huge quantity of marine debris is washed up onto Japanese coastal areas, and more than half of the debris is plastic. It has been thought that plastics such as polystyrene or polycarbonate do not thermally decompose at a natural environment temperature. However, a possibility ...
ABSTRACT Much of garbage patches consist of plastics, and most of these plastics are reusable (Werthmann, 2007). Long-lasting plastics that are found in garbage patches contain numerous toxic materials (Teuten et al., 2009). Cleaning up garbage patches involves environmental matters and economic and ...
ABSTRACT Wave Hub is a Marine Renewable Energy Installation (MREI) off the southwest peninsular of the UK. Wave Hub's seabed infrastructure, including the main connection unit and 18 km of seabed cable were deployed in 2010. This study assesses the species assemblages present within the Wave Hub development ...
ABSTRACT The present study provides the numerical simulations with the unsteady Reynolds Averaged Navier-Stokes (URANS) methods for the prediction of added resistance performance of KVLCC2 advancing forward in regular waves at Fn=0.142 and Re=4.6×106. Six degrees of freedom (DOF) motion equations based ...
ABSTRACT A computational tool, based on a hybrid model, for the simulation of the coupling between ship motions and liquid sloshing inside ship tanks is considered. A 3D panel method based on the frequency-domain potential-flow theory is used to evaluate the external flow around the ship hull. Hydrodynamic ...
ABSTRACT A strip method on ship motions moored along jetty, which employed a singularity distribution method; Green function G=logR was prepared in the author's previous study. Applying to an arbitrary bathymetry around the ship, which includes the shapes of the ship hull, the quay wall and the sea ...
ABSTRACT Based on the drifting Japanese commercial fishing vessel and small container flown out by tsunami of the Great East Japan Earthquake, the tracking simulation of large- and middle-scale drifting objects including leeway effect is performed in the North Pacific with climatology data. The results ...
ABSTRACT In the structural design of bilge keels, hydrodynamic loads may threaten the structural integrity of both the bilge keel and of the hull itself. In the former case, it is the direct load from differential pressure that causes bending and shear at the root of the bilge keel. In the latter it ...
Pinna nobilis is the largest endemic Mediterranean marine bivalve. During past centuries, various human activities have promoted the regression of its populations. As a consequence of stringent standards of protection, demographic expansions are currently reported in many sites. The aim of this study ...
Antibiotic resistance (AR) is a global phenomenon that has severe epidemiological ramifications world-wide. It has been suggested that antibiotics that have been discharged into the natural aquatic environments after usage or manufacture can promote the occurrence of antibiotic resistance genes (ARG). ...
Background Sturgeon cultivation is important for both industry and aquaculture in China. To date, more than 17 species or strains have been farmed for fillets and caviar production. Crossbreeding among different sturgeon species is frequent and the F2 hybrids are fertile. However, large-scale farming ...
This study investigates the clinicopathological features of acute experimental streptococcosis in red tilapia using various routes of infection; intraperitoneal (IP), immersion (IM) and immersion cut (IC). Twenty four red tilapia in duplicates were inoculated intraperitoneally with 109 CFU/ml of S. ...