ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
The main theme of this paper is to save the lives of poor fishermen who is severely punishing by the other country coastal guards. This is achieved with the help of GPS and embedded system. GPS (Global Positioning System) is increasingly being used for a wide range of applications. It provides reliable ...
Here we show how routine acoustic data, primarily collected for stock assessment, allows for a 3D vision of the abiotic and biotic components of marine ecosystem and to study their interactions. Data, which can be obtained from any vessel geared with multi-frequency echosounders, provide relevant information ...
Timing synchronization is essential in case where multiple sensor nodes with ultrasonic sensors are deployed on the same place. This is because the ultrasonic sensors should be powered at an appropriate timing so as to prevent ultrasonic interference. In this paper, we propose a new timing synchronization ...
In this work we compare the result obtained by in situ echosounder measurements on eastern Venezuelan and south Sénégal coastal shelves where Sardinella aurita was the predominant species occurred in fish school structure. The both stocks are known as genetically independent. Persistent school typology ...
Global targets to halt the loss of biodiversity have not been met, and there is now an additional Aichi target for preventing the extinction of known threatened species and improving their conservation status. Climate change increasingly needs to be factored in to these, and thus there is a need to ...
In order to convert acoustic abundance indexes into biomass is essential to establish the relationship between squid size dorsal mantle length (DML) and acoustic Target Strength (TS). We had carried out in situ measurement in 2012 off Baja California on Dosidicus gigas. For both frequencies, we found ...
It is necessary to refine the acoustic estimation method applied in the Gulf of California, especially regarding the acoustic energy allocation to the different species coexisting in the same area, in order to produce a more precise and reliable fishery independent biomass index for the sustainable ...
One of the main species in the Caribbean cost of Yucatan-Mexico is the Mero (Epinephelus striatus), but the fisheries are beginning to go down and the principal reason could be the over-catch. The objective of this work is to study the aggregations of the Nassau Grouper, as well as the rest of the fish ...
The objective of this research is to determine the suitability of Worldview-2 high resolution multispectral data in classifying and mapping benthic habitats, specifically seagrass. Worldview-2 offers an increased number of spectral bands for high-resolution image, from the traditional 4bands to 8 bands. ...
Fixed autonomous acoustic recording devices(autonomous recorders [ARs]) are defined as any electronic recording system that acquires and stores acoustic data internally (i.e., without a cable or radio link to transmit data to a receiving station), is deployed semi-permanently underwater (via a mooring, ...
This study presents a novel technique for the measurement of insertion depth of an epidural Tuohy needle in real-time. A wireless camera is used which transmits video images during insertion to a host computer. The computer contains the image processing algorithm to detect the visible needle in the ...
Since the introduction of marine economy strategy, the interaction and economic correlation between marine economy and land industry are rising increasingly. The paper analyzes the functions performed by marine industry on industrial structure system and the spatial restraints of correlation between ...
The present work relates to detection of the freshness of fish by using electronic nose composed of 8 metal oxide sensors. The advantages of the decision tree structure are applied to evaluate fish freshness by selecting both classification algorithm and extracted features in every node of the decision ...
Power allocation was a key technique that could significantly improve the performance of radio access networks. But in the centralized, collaborative, cloud-based and clean radio access network(C-RAN), there were few power allocation algorithms proposed in it. In this paper, we established an optimization ...
This paper proposes an improved Artificial Fish Swarm Algorithm (AFSA) to deal with the two-dimensional non-guillotine cutting sock problem. The visual field enlarges gradually according to the iteration. A similar Bottom Left algorithm is used to map the cutting pattern to the actual layout. The simulation ...
We used antisense morpholino oligonucleotide technology to knockdown leptin-(A) gene expression in developing zebrafish embryos and measured its effects on metabolic rate and cardiovascular function. Using two indicators of metabolic rate, oxygen consumption was significantly lower in leptin morphants ...
Conservation efforts to increase duck production have led the United States Fish and Wildlife Service to restore grasslands with multi-species (3-5) mixtures of introduced cool season vegetation often termed dense nesting cover (DNC). The effectiveness of DNC to increase duck production has been variable, ...
Background Clonorchiasis caused by ingesting improperly prepared fish ranks among the most important but still neglected food-borne parasitic diseases, especially in the People’s Republic of China (P.R. China). To promote the implementation of interventions efficiently, the demonstration of an epidemiological ...
Gossypium mustelinum ((AD)4) is one of five disomic species in Gossypium. Three 45S ribosomal DNA (rDNA) loci were detected in (AD)4 with 45S rDNA as probe, and three pairs of brighter signals were detected with genomic DNA (gDNA) of Gossypium D genome species as probes. The size and the location of ...
A 24-year-old man was diagnosed with klinefelter’s syndrome (KS) and his wife was found to have an inversion on chromosome 9-46, XX, inv (9) (p11q21)- because of infertility. Intracytoplasmic sperm injection (ICSI) was performed for fertilization after fluorescence in-situ hybridization (FISH) was used ...