ULTIMO AGGIORNAMENTO BANCA DATI: 07/11/2025 14:33:35
Evolution is presumed to proceed by random mutations, which increase an individual’s fitness. Increased fitness produces a higher survival rate for those individuals within populations and drives the variants to fixation over large timescales to produce new species. We recently identified positively ...
This paper investigates a signal processing approach of fish abundance estimation in the Sea. There is a high demand for underwater fish estimation due to the increase in current importance of sea fishes. These increase our knowledge about the state of a stock and improve assessment of many commercially ...
This paper introduces the critical success factors framework to develop the application for tuna fishery management. On the previous study, a mentioned framework, consists of four layers: business process layer, information layer, solution layer, and technology layer. Since the framework follows an ...
A key technology that continues to evolve to meet special requirements of underwater sampling and observation is that of acoustics. This technology is used both actively to ensonify fish, zooplankton, other marine organisms, and the environment, and passively to listen to and record sounds produced ...
An inherent link exists between making things and designing things, often relying on skills, knowledge, and tools, and working together to achieve outcomes. Conventional design and manufacture to date has been a closed system requiring professional skills. Traditional manufacture has required a significant ...
In this paper a state observer for a distributed parameter system (DPS) with nonconstant parameter functions is presented. The DPS describes the freezing of foodstuff in vertical plate freezers and is a nonlinear heat equation. The observer is based upon the Extended Kalman Filter, meaning that the ...
Integration of grassroots community level data into national planning and development process can improve its efficiency and effectiveness. It will provide timely and continuous data to evaluate investment efforts. It can also foster participatory activities in such a community. We present the idea ...
The Deepwater Horizon oil spill impacted Louisiana's coastal estuaries physically, chemically, and biologically. To better understand the ecological consequences of this oil spill on Louisiana estuaries, we compared the abundance and size of two Gulf shrimp species (Farfantepeneus aztecus and Litopeneus ...
Play is the universal language of childhood and the time and opportunity to play is every child’s right. The role of play as a vehicle for communication, a tool for distraction and its value in the holistic development of a normal child is without dispute. The role and value of play increases proportionately ...
Predator–prey relationships are one of the most studied interactions in population ecology. However, little attention has been paid to the possibility of role exchange between species, despite firm field evidence of such phenomena in nature. In this paper, we build a mathematical model capable of reproducing ...
The increasing population in the developing countries has rendered wetlands vulnerable to land use changes. Remote sensing offers a rapid and efficient means of data acquisition of ecosystems in time and space. The present study was undertaken to identify changes in the Harike wetland, a Ramsar site ...
This work further investigates how weight based FSS (i.e. almost only use of local information) can impact in the automatic splitting the school for solution of multimodal bench mark problems. The chief modification to standard FSS, in order to produce the wFSS, was the introduction of a relationship ...
Microgrid technology can provide an effective technical approach for the new energy and renewable energy and the carbon emissions trading can provide favorable conditions for the grid-connected Microgrid operating economically. As a result, it establishs the optimal operation model of grid-connected ...
Phishing which is a kind of theft that attempting to steal sensitive information, has become a major threat to people's daily life. Some researchers proposed some methods of anti-phishing based on the characteristics of fishing behaviors. This article will firstly introduce the field of phishing and ...
Fine-grained object recognition aims at recognizing objects belonging to the same basic-level class such as dog, bird or fish, which is a challenging problem in computer vision. In this paper, we consider the problem of recognizing handbags that belong to a specific brand. In order to identify the subtle ...
The fault of hydropower unit is affected by many factors, it is difficult to find the correspondent fault symptoms and causes through the theoretical analysis. Considering the disadvantages of BP neural network, such as slow convergence rate and getting into local extremum, the initial parameters are ...
Intermittency is ubiquitous in animal behavior. We depict a coordination problem that is part of the more general structure of intermittent adaptation: the adjustment-deployment dilemma. It captures the intricate compromise between the time spent in adjusting a response and the time used to deploy it: ...
The majority of ecotoxicological studies are performed under stable and optimal conditions, whereas in reality the complexity of the natural environment faces organisms with multiple stressors of different type and origin, which can activate pathways of response often difficult to interpret. In particular, ...
Background An important inter-individual variability in the response of insulin sensitivity following a fish oil supplementation has been observed. The objective was to examine the associations between single nucleotide polymorphisms (SNPs) within sterol regulatory element binding transcription factor ...
Objective The effects of dietary fish oil on semen quality and sperm fatty acid profiles during consumption of n-3 fatty acids as well as the persistency of fatty acids in ram’s sperm after removing dietary oil from the diet were investigated. Materials and Methods In this experimental study, we ...