ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
ABSTRACT: The whole coastline of Jiangsu province is 954km. It starts north from Xiuzhen estuary, which is the junction of Jiangsu and Shandong province, and south to the north bank of the Yangtze River estuary. According to composition, it can be divided into three categories, including sandy coast, ...
The objective of this paper is to apply IMO “severe wind and rolling criterion (weather criterion)” for anchor handling vessels during operation. So far, this criterion is used for merchant ships greater than a certain size and of conventional hull forms but it is not mandatory for special purpose ships ...
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This report describes the metabolic and lipidomic profiling of 97 low-molecular weight compounds from the primary metabolism and 124 lipid compounds of the diatom Thalassiosira pseudonana. The metabolic profiles were created for diatoms perturbed for 24 hours with four different treatments: (I) removal ...
Background The gibel carp is a fish species with dual reproduction modes, gynogenesis and sexual reproduction, coexisting in mixed diploid-polyploid populations. Following the Red Queen (RQ) assumption, asexual organisms are, due to their low genetic diversity, targets for parasite adaptation. Because ...
ABSTRACT The artificial reefs, which often provide stable environment for the attachment of marine organisms and attract large populations of fish, have been thought of as the an effective way to enhance the biological productivity of the sea floor. Theoretically, the performance of the artificial ...
ABSTRACT Since 1971, artificial reefs of durable concrete structure were constructed and installed as government-subsidized projects for the creation of new fishing grounds in Korean coastal waters. Few reports are available on the reef structure designs suitable for target fish species. Although there ...
ABSTRACT: So far, there are no successful means to upwell Deep Ocean Water (DOW) artificially and to make a fishing ground in the open sea. The five years project of increasing a primary production and making a new fishing ground by upwelling DOW which is very rich in nutrient salt such as Nitrogen, ...
We developed a multipurpose freezing simulation model that can be used as a tool to provide an evaluation of proposed countermeasures to port freezing during winter and examined its application to a field site. This freezing simulation consists of 3 sub models: Seawater flow field calculation; phase ...
ABSTRACT: Side-scan sonar observations conducted at Mito artificial habitat site documented the actual positions of both concrete cubic blocks (more than 10,000 units) and scrapped steel boats (43 units) individually. Based on their geographic locations, the concrete cubic artificial reefs could be ...
ABSTRACT: An ecological footprint accounting of the prototype ocean nutrient enhancer TAKUMI was performed to assess the sustainability of this type of artificial upwelling technology. The results indicate that the dominant component of the ecological footprint is CO2 emissions from the combustion ...
ABSTRACT: For the purpose to make a fishing ground in the sea by increasing the primary production, The Ocean Nutrient Enhancer (ONE for short) which rises the nutrient-rich Deep Ocean Water (DOW) and discharges it into the euphotic surface layer has been studied. To establish the concept of ONE, various ...
ABSTRACT: This is a brief review paper to introduce the Marino-Forum 21 project for creating new fishing ground by enhancement of marine primary production using artificial upwelling. The first term was performed from 2000 through 2004 to develop a prototype ocean nutrient enhancer. In the first part ...
ABSTRACT: This paper presents a design of submerged breakwater, which functions as an eco-structure in marine environment. Newly patented blocks were applied to arm the submerged breakwater for providing inhabitable space of fisheries as well as its stability. To investigate the wave transmission of ...
ABSTRACT A numerical code is developed to predict the performance of floating fish cage systems. The numerical scheme is based on lumped mass method and the acceleration technique for particle method. It can treat interaction among fish cages and complicated mooring system consisted from synthetic ...
ABSTRACT: The Inclusive Impact Index “Triple I” is a metric developed to assess environmental sustainability and economic feasibility of ocean utilization technologies to predict their public acceptance. Ecological footprint and environmental risk assessment, which are the basis of the Triple I, are ...
The present stage of shelf development is characterized by the increase of involvement of its resources in economic use, by expansion of areas of oil and gas production and offshore geological exploration, by strengthening of impact of industrial activity onto the environment. The severe climate conditions ...
ABSTRACT We developed a multipurpose freezing simulation model that can be used as a tool to provide a relatively evaluation of proposed countermeasures against port freezing during winter season and examined its application to a field site. This freezing simulation consists of three submodels: i) ...
ABSTRACT: The discharge of deep ocean water, which is low water temperature and high nutrient concentration, may restore seaweed bed from barren ground condition. The purpose of this research is to estimate the effects of seaweed bed restoration using deep ocean water discharge with an enclosed structure ...
ABSTRACT: The Marino-Forum 21 initiated the research project on development of fishing grounds by utilizing Deep Ocean Water (called DOW here after) of 200 m deep. We plan to enhance the component of nutrient salts in the sea area concerned by discharging DOW into the euphotic layers aiming ultimately ...