Stage Structure
Impact of predator on the host–vector disease model with stage structure for the vector
... In this paper, we propose a host–vector–predator model with stage structure for the vector to explore the impact of biological control agents on host–vector dynamics and disease control. Here the total ...
22
Prey Predator Fishery Model with Stage Structure in Two Patchy Marine Aquatic Environment
... with stage structure in an aquatic environment that consists of two zones namely unreserved zone (fish- ing permitted) and reserved zone (fishing is strictly ...a stage structure in which ...
12
Chaos in a single species discrete population model with stage structure and birth pulses
... Many papers have been published on chaos in discrete models (see [–] and references cited therein). However, in most cases, chaotic behaviors they observed were obtained only by numerical simulations and have not been ...
8
Dynamical behaviors of a food chain model with stage structure and time delays
... maturity of top predator), we establish a novel delayed three-species food-chain model with stage structure in this paper. By analyzing the characteristic equations, constructing a suitable Lyapunov ...
26
Dynamics of an SIR epidemic model with stage structure and pulse vaccination
... Motivated by the above studies, our study is to investigate transmission dynamics of an SIR epidemic model with stage structure and pulse vaccination. We assume that the ma- tured population approaches a ...
17
Dynamic Behaviors a Single Species Stage Structure Model with Density Dependent Birth Rate and Non-selective Harvesting in a Partial Closure
... species stage structure model with density dependent birth rate and non-selective harvesting in a partial closure is proposed and studied in this ...
6
Analysis of a Nonautonomous Delayed Predator Prey System with a Stage Structure for the Predator in a Polluted Environment
... cymbidium is so susceptible that it begins to wither, whereas, the mature cymbidium often has not been affected 22, 35. Therefore, it is important to consider the effect of stage structure on population ...
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An impulsive prey predator system with stage structure and Holling II functional response
... Taking into account that individual organisms usually go through immature and mature stages, in this paper, we investigate the dynamics of an impulsive prey-predator system with a Holling II functional response and ...
16
Characterization of the Four Stage Structure of the Process of Learning Motor Actions in Sports Games
... first stage and throughout the process of learning movement, this pattern determines one or another of the leading characteristics of the student's activity, namely: reproductive, reconstructive and variation, ...
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Dynamical behaviors of a discrete SIS epidemic model with standard incidence and stage structure
... A discrete SIS epidemic model with stage structure and standard incident rate which is governed by Beverton-Holt type is studied. The sufficient conditions on the permanence and extinction of disease are ...
23
Stability analysis of a ratio dependent predator prey system with diffusion and stage structure
... Predator-prey models have been studied by many authors (see [6, 21]), but the stage structure of species has been ignored in the existing literature. In the natural world, how- ever, there are many species ...
20
Dynamic behaviors of a stage structure amensalism system with a cover for the first species
... two-species stage structured amensalism model with a cover for the first ...the stage structured species is globally asymptotically stable, then there exists a threshold such that if the cover is greater ...
23
Stability and bifurcation analysis for a single species discrete model with stage structure
... In this paper, a single-species discrete model with stage structure is investigated. By analyzing the corresponding characteristic equations, the local asymptotic stability of non-negative equilibrium ...
11
Analysis of dynamics in an eco epidemiological model with stage structure
... This paper is devoted to the study of an eco-epidemiological model with stage structure in the predator and disease in the prey. To begin with, the positivity and boundedness of the solutions are obtained. ...
23
Variable structure control for a singular biological economic model with time delay and stage structure
... and stage structure is proposed in this ...variable structure control to eliminate the complex behaviors caused by singularity-induced bifurcation, the singular model is transformed into a ...
19
A Pest Management Epidemic Model with Time Delay and Stage Structure
... In this paper, an SI epidemic model with stage structure is investigated. In this model, impulsive biological control which release infected pest to the field at a fixed time periodically is considered, and ...
7
Determination of a complex crystal structure in the absence of single crystals : analysis of powder X ray diffraction data, guided by solid state NMR and periodic DFT calculations, reveals a new 2′ deoxyguanosine structural motif
... completing structure renement (the nal stage of structure determination from diffraction data), periodic DFT calculations employing the GIPAW (Gauge Including Projector Augmented Wave) method 10–15 ...
10
Capital structure and corporate life cycle : a deeper understanding of the capital life stage theory
... life stage classifications. For example, the life stage ‘Early’ of Frielinghaus et ...birth stage is ...Go-‐Go stage have the same characteristics as firms in the growth ...Adolescence ...
76
Manifestation of emergent properties in risk assessment of oil and gas companies
... A characteristic feature of the innovation risk of oil and gas enterprises in Ukraine is slow implementation of scientific and technological innovations. Also there is managerial risk, which is the complexity and affects ...
6
The relationship between capital structure and ownership structure
... There is an expanding agreement amongst teachers, in addition to users, the property pattern regarding financial stock options have a substantial effect on the operations of large-scale corporations. Economists ...
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