Results 21 to 30 of about 44,189 (275)

Increasing availability of palatable prey induces predator-dependence and increases predation on unpalatable prey

open access: yesScientific Reports, 2021
Understanding the factors governing predation remains a top priority in ecology. Using a dragonfly nymph-tadpole system, we experimentally varied predator density, prey density, and prey species ratio to investigate: (i) whether predator interference ...
Thomas J. Hossie   +2 more
doaj   +1 more source

Numerical Simulation of Leslie-Gower Predator-Prey Model with Stage-Structure on Predator

open access: yesJournal of Experimental Life Science, 2018
In this paper, we introduce Leslie-Gower predator-prey model with a stage-structure population on the predator. This model consists of two populations, that are prey and predator populations. Here, we divide predator into two stages.
Rima Anissa Pratiwi   +2 more
doaj   +1 more source

A Periodic Prey-Predator System

open access: yesJournal of Mathematical Analysis and Applications, 1994
Consider the system of differential equations \(u' = u[a(t) - b(t)u - c(t)v]\), \(u > 0\), \(v' = v[d(t) + f(t)u - g(t)v]\), \(v > 0\), where \(a,b,c,d,f,g\) are continuous and \(T\)-periodic functions. Further \(b,c,f\) and \(g\) are strictly positive.
Amine, Z., Ortega, R.
openaire   +2 more sources

Modeling and Analysis of Predator-Prey Model with Fear Effect in Prey and Hunting Cooperation among Predators and Harvesting

open access: yesJournal of Applied Mathematics, 2022
In this paper, we present and analyze predator-prey system where prey population is linearly harvested and affected by fear and the prey population has grown logistically in the absence of predators.
Basaznew Belew, Dawit Melese
doaj   +1 more source

Applying allometric scaling to predator-prey systems [PDF]

open access: yes, 2019
In population dynamics, mathematical models often contain too many parameters to be easily testable. A way to reliably estimate parameters for a broad range of systems would help us obtain clearer predictions from theory.
Eilersen, Andreas, Sneppen, Kim
core   +2 more sources

Prey-Predator models on graphs

open access: yes, 2022
In this paper, we study the Lotka-Volterra prey-predator models consisting of two species on finite connected graphs under Neumann condition and the condition that there is no boundary condition. We establish the global stability of the unique constant equilibrium solution of each parabolic system.
Hu, Yuanyang, Lei, Chengxia
openaire   +2 more sources

Attraction and Avoidance between Predators and Prey at Wildlife Crossings on Roads

open access: yesDiversity, 2020
Wildlife passages are currently built at roads and railway lines to re-establish connectivity. However, little is known about whether predator-prey interactions may reduce the effectiveness of the crossing structures.
Cristina Mata   +2 more
doaj   +1 more source

Analisis Sistem Persamaan Diferensial Model Predator-prey dengan Perlambatan

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2011
Model predator-prey dengan perlambatan merupakan model interaksi dua spesies antara mangsa dan pemangsa yang berbentuk sistem persamaan diferensial tak liner.
Vivi Aida Fitria
doaj   +1 more source

Prey and predator density‐dependent interactions under different water volumes

open access: yesEcology and Evolution, 2021
Predation is a critical ecological process that directly and indirectly mediates population stabilities, as well as ecosystem structure and function. The strength of interactions between predators and prey may be mediated by multiple density dependences ...
Ross N. Cuthbert   +7 more
doaj   +1 more source

Dynamical study of the theta-logistic predator-prey model incorporating gregarious behavior of prey

open access: yesMathematics in Applied Sciences and Engineering, 2023
Relation between species and their livelihood environment in ecological systems is very complex. For that reason, in order to study predator-prey  relations, modeling is essential in biomathematics.
P. K. Santra, G. S. Mahapatra
doaj   +1 more source

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