EXISTENCE AND UNIQUENESS OF POSITIVE PERIODIC SOLUTIONS FOR A DELAYED PREDATOR-PREY MODEL WITH DISPERSION AND IMPULSES

Existence and Uniqueness of Positive Periodic Solutions for a Delayed Predator-Prey Model with Dispersion and Impulses

An impulsive Lotka-Volterra type predator-prey model with prey dispersal in two-patch environments and time delays is investigated, where we assume the model of patches with a barrier only as Accessories - Other - Miscellaneous far as the prey population is concerned, whereas the predator population has no barriers between patches.By applying the c

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A Systematic Review and Meta-Analysis of Penis Length and Circumference According to WHO Regions: Who has the Biggest One?

Objective: This study aimed to perform a systematic review and meta-analysis of stretched, erect, and flaccid penis length as well as circumference according to geographic WHO regions.Methods: PubMed, Embase, Scopus, and Cochrane Library were searched for articles published until February 2024.Studies in which a healthcare professional evaluated th

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Plant protection products in organic grapevine growing

Pests and grapevine diseases in organic production are suppressed by preventive measures with a view to reducing the impact of the attack.Allowed substances acting on patogenous fungi, insects, mites and other harmful organisms are used, if appropriate.Insecticides of plant origin are used in the organic production of grapevine, as well as vegetabl

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