ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
A device for the treatment, e.g. delousing, of fish in net cages comprises a tarpaulin having a dimension which is enclosing the net cage in a completely covering manner beneath the sea level. To either raise or lower the tarpaulin up into a position surrounding the net cage beneath the sea surface ...
Dover sole (Solea solea) which are farmed in an aquaculture system such as sea ranching show a slower growth rate and the system has a lower productivity than expected from sole living in a more natural marine environment. The addition of a source of heme and optionally a source of vitamin B12 to the ...
Disclosed is a bioreactor which is capable of efficiently removing nitrate ions. A nitrate-removing bioreactor (1) comprises a reaction container (2) and an introduction part (3) for introducing a fermentation source (S) into the reaction container (2), said introduction part (3) being provided onto ...
Abstract This paper will examine the response measures utilized during the multiple oil spills of December 2013 in Trinidad including the activation of the National Oil Spill Contingency Plan (NOSCP) to co-ordinate the responses. In addition, it will explore how successful these response measures were, ...
Abstract From late 2012 until mid-2014 an extensive seismic exploration programme was carried out offshore Uruguay, comprising the operation of 7 seismic vessels together with their supply and chase vessels, sometimes operating simultaneously, for the acquisition of approximately 38,500 Km2 of 3D seismic ...
Brain size varies substantially across the animal kingdom and is often associated with cognitive ability; however, the genetic architecture underpinning natural variation in these key traits is virtually unknown. In order to identify the genetic architecture and loci underlying variation in brain size, ...
Understanding the extent of interspecific hybridization and how ecological segregation may influence hybridization requires comprehensively sampling different habitats over a range of life history stages. Arctic char (Salvelinus alpinus) and Dolly Varden (S. malma) are recently diverged salmonid fishes ...
Determining seafood geographic origin is critical for controlling its quality and safeguarding the interest of consumers. Here, we use trace element fingerprinting (TEF) of bivalve shells to discriminate the geographic origin of specimens. Barium (Ba), manganese (Mn), magnesium (Mg), strontium (Sr) ...
Spermatozoa are known to be stored within the female genital tract after mating in various species to optimize timing of reproductive events such as copulation, fertilization, and ovulation. The mechanism supporting long-term sperm storage is still unclear in turtles. The aim of this study was to investigate ...
The infection dynamics and distribution of the ectoparasitic fish monogenean Neobenedenia sp. (Monogenea: Capsalidae) throughout its development was examined on barramundi, Lates calcarifer (Bloch) (Latidae), by labelling transparent, ciliated larvae (oncomiracidia) with a fluorescent dye. Replicate ...
Biofouling is a serious problem in marine aquaculture and it has a number of negative impacts including increased forces on aquaculture structures and reduced water exchange across nets. This in turn affects the behavior of fish cages in waves and currents and has an impact on the water volume and quality ...
Background Genomic selection (GS) using estimated breeding values (GS-EBV) based on dense marker data is a promising approach for genetic improvement. A simulation study was undertaken to illustrate the opportunities offered by GS for designing breeding programs. It consisted of a selection program ...
This paper studies the problem of dynamic coverage with wireless sensor and actor networks (WSANs) in underwater environment. Different from most existing works, the WSANs consist of two kinds of nodes, i.e., sensor nodes (SNs) which cannot move autonomously and actor nodes (ANs) which can move autonomously ...
Previously we have generated inducible liver tumor models by transgenic expression of Myc or xmrk (activated EGFR homolog) oncogenes in zebrafish. To investigate the interaction of the two oncogenes, we crossed the two transgenic lines and observed more severe and faster hepatocarcinogenesis in Myc/xmrk ...
In May of 2009, the bloom-forming diatom Didymosphenia geminata was first identified in the Upper Esopus Creek, a key tributary to the New York City water-supply and a popular recreational stream. The Upper Esopus receives supplemental flows from the Shandaken Portal, an underground aqueduct delivering ...
The role of diseases and parasites has received relatively little attention in modelling ecological dynamics despite mounting evidence of their importance in structuring communities. In contrast to predators, parasites do not necessarily kill their host but instead they may change host life history. ...
Saxitoxin (STX) is a neurotoxin produced by dinoflagellates in diverse species, such as Alexandrium spp., and it causes paralytic shellfish poisoning (PSP) in humans after the ingestion of contaminated shellfish. Recent studies have suggested that the immune functions of bivalves could be affected by ...
Rohu is a leading candidate species for freshwater aquaculture in South-East Asia. Unlike common carp the monsoon breeding habit of rohu restricts its seed production beyond season indicating strong genetic control over spawning. Genetic information is limited in this regard. The problem is exacerbated ...