ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Worldwide biodiversity assessments have mainly focused on species richness but little is known about the diversity of species roles, i.e. functional diversity, while this is a key facet to understanding the consequences of global changes on the ecosystem services to human societies. Here, we report ...
Accurate estimation of historical abundance provides an essential baseline for judging the recovery of the great whales. This is particularly challenging for whales hunted prior to twentieth century modern whaling, as population-level catch records are often incomplete. Assessments of whale recovery ...
The oceanic migration of silver Japanese eels starts from their continental growth habitats in East Asia and ends at the spawning area near the West Mariana Ridge seamount chain. However, the actual migration routes remain unknown. In this study, we examined the possible oceanic migration routes and ...
Marine micro- and macroorganisms are well known to produce metabolites with high biotechnological potential. Nearly 40 years of systematic prospecting all around the New Caledonia archipelago and several successive research programs have uncovered new chemical leads from benthic and planktonic organisms. ...
Abstract Turbidity can influence trophic levels by altering species composition and can potentially affect fish feeding strategies and predator–prey interactions. The estuarine turbidity maximum, described as an area of increased suspended particles, phytoplankton and zooplankton, generally represents ...
Background Ivory Coast is a West African country with the highest reported cases of Buruli ulcer, a disabling subcutaneous infection due to Mycobacterium ulcerans. However, the prevalence of environmental M. ulcerans is poorly known in this country. Methods We collected 496 environmental specimens ...
Sedimentation in the sea occurs through natural processes, such as wave and tidal action, which can be exacerbated during storms and floods. Changes in terrestrial land use, marine aggregate extraction, dredging, drilling and mining are known to result in substantial sediment deposition. Research suggests ...
Background There is growing interest in applying the sterile insect technique (SIT) against mosquitoes. Mass production of mosquitoes for large-scale releases demands a huge amount of water. Yet, many arid and/or seasonally arid countries face the difficulties of acute water shortage, deterioration ...
Boating activities are one of the causes that threaten seagrass meadows and the ecosystem services they provide. Mechanical destruction of seagrass habitats may also trigger the erosion of sedimentary organic carbon (Corg) stocks, which may contribute to increasing atmospheric CO2. This study presents ...
We tested the influence of two light intensities [40 and 300 μmol PAR / (m2s)] on the fatty acid composition of three distinct lipid classes in four freshwater phytoplankton species. We chose species of different taxonomic classes in order to detect potentially similar reaction characteristics that ...
It is well known that temporal fluctuations in small populations deeply influence evolutionary potential. Less well known is whether fluctuations can influence the evolutionary potentials of species with large census sizes. Here, we estimated genetic population parameters from as survey of polymorphic ...
A device for treating perishable objects or liquids and a method of fabricating the device. The method comprising breaking a single piece of magnetic material into a plurality of pieces; inhibiting movement of the pieces with respect to each other during the breaking of the magnetic material; and forming ...
The present invention relates to preservation of meat products. In particular new procedures and additives are provided for effective inhibition or prevention of bacterial outgrowth in meat products. The present inventors found that a combination of a vanillin component and a cinnamate component was ...
Fish filleting machine (1) comprising a number of stations for continuous filleting of fish, where the de-capitated and gutted fish is placed with the back of the fish upwards and front end foremost in an in-feed channel (10), where the fish filleting machine comprises: - Engaging means (21) for engaging ...
A method, non-transitory computer readable medium and performance optimization computing device for optimizing the performance of a ship. Data associated with one or more operational parameters associated with the ship is obtained. One or more performance values corresponding to the obtained data are ...
This underwater cleaning robot (1) comprises cleaning nozzle units (5) rotatably provided on a lower part of a robot body (2), and a travel device (3) for moving the robot body. The travel device (3) includes first travel means (36a, 37a, 38a, 39a) provided on the left and right of the robot body, and ...
An aquaculture method and a method for reducing biofouling of vessels or submerged structures, the method comprising broadcasting into the marine environment sound at a frequency or in a frequency range effective to attract one or more marine species to the sound source.
A system for efficiently circulating water in a large volume of rearing space for aquatic organisms, comprising an impervious enclosure for containing the water and aquatic organisms and a pump for pumping water from an intake duct through intake ducting to a flow diverter, which then directs a flow ...
Abiotic factors are fundamental drivers of the dynamics of wild marine fish populations. Identifying and quantifying their influence on species targeted by the fishing industry is difficult and very important for managing fisheries in a changing climate. Using multiple regression, we investigated the ...
(1) Background: A growing body of literature suggest that polymorphisms (SNPs) from inflammation-related genes could possibly play a role in cytokine production and then interact with dietary n-3 fatty acids (FAs) to modulate inflammation. The aim of the present study was to test whether gene expression ...