Cover Image

Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System

One of the central questions in ecology is how do we maintain community stability and species coexistence mechanisms in a complex ecological community. It is thought that the interplay between mutualism, competition, predation and local dispersal support multi-species coexistence. In this thesis, we...

Full description

Saved in:
Bibliographic Details
Main Author: Bello Aliyu, Murtala
Format: Thesis
Language:English
Published: 2021
Subjects:
QA1 Mathematics (General)
Online Access:http://eprints.usm.my/53737/1/MURTALA%20BELLO%20ALIYU%20-%20TESIS24.pdf
http://eprints.usm.my/53737/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.usm.eprints.53737
record_format eprints
spelling my.usm.eprints.53737 http://eprints.usm.my/53737/ Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System Bello Aliyu, Murtala QA1 Mathematics (General) One of the central questions in ecology is how do we maintain community stability and species coexistence mechanisms in a complex ecological community. It is thought that the interplay between mutualism, competition, predation and local dispersal support multi-species coexistence. In this thesis, we re-formulate a four-species multiple interactions type (e.g., resource-competitor-exploiter-mutualist) system by incorporating a spatial diffusion term to model local dispersal process. We then employ this model to assess how the dynamics of dispersal, mutualism and competition shape species coexistence and community stability in this ecological system. Our findings show that the interplay of mutualism and competition affects the complexity of ecological dynamics in this multiple interactions type system with local dispersal. Using numerical simulation, we demonstrate how strong mutualism could stabilize the dynamics of this multi-species community. Employing bifurcation analysis, we also discover that mutualism essentially modifies this ecological community’s response to increasing competitive pressure on the resource species. These insights are evident in our findings through the emergence of intriguing dynamics and various bifurcations (e.g., subcritical and supercritical Hopfs, transcritical, saddle-node, transcritical-Hopf and homoclinic bifurcations). 2021-10 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/53737/1/MURTALA%20BELLO%20ALIYU%20-%20TESIS24.pdf Bello Aliyu, Murtala (2021) Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System. PhD thesis, Universiti Sains Malaysia..
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic QA1 Mathematics (General)
spellingShingle QA1 Mathematics (General)
Bello Aliyu, Murtala
Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
description One of the central questions in ecology is how do we maintain community stability and species coexistence mechanisms in a complex ecological community. It is thought that the interplay between mutualism, competition, predation and local dispersal support multi-species coexistence. In this thesis, we re-formulate a four-species multiple interactions type (e.g., resource-competitor-exploiter-mutualist) system by incorporating a spatial diffusion term to model local dispersal process. We then employ this model to assess how the dynamics of dispersal, mutualism and competition shape species coexistence and community stability in this ecological system. Our findings show that the interplay of mutualism and competition affects the complexity of ecological dynamics in this multiple interactions type system with local dispersal. Using numerical simulation, we demonstrate how strong mutualism could stabilize the dynamics of this multi-species community. Employing bifurcation analysis, we also discover that mutualism essentially modifies this ecological community’s response to increasing competitive pressure on the resource species. These insights are evident in our findings through the emergence of intriguing dynamics and various bifurcations (e.g., subcritical and supercritical Hopfs, transcritical, saddle-node, transcritical-Hopf and homoclinic bifurcations).
format Thesis
author Bello Aliyu, Murtala
author_facet Bello Aliyu, Murtala
author_sort Bello Aliyu, Murtala
title Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
title_short Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
title_full Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
title_fullStr Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
title_full_unstemmed Joint Effects Of Distinct Biotic Interactions And Dispersal On A Multi-species Ecological System
title_sort joint effects of distinct biotic interactions and dispersal on a multi-species ecological system
publishDate 2021
url http://eprints.usm.my/53737/1/MURTALA%20BELLO%20ALIYU%20-%20TESIS24.pdf
http://eprints.usm.my/53737/
_version_ 1740826570851876864
score 13.211869

Similar Items