Soil nutrient availability and its implications for restoration projects and species interactions in phosphorus-impoverished plant communities

Patricia de Britto Costa

Research output: ThesisDoctoral Thesis

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Abstract

Soil phosphorus is crucial for plant species composition and interactions in severely nutrient-impoverished ecosystems, such as the Cerrado in Brazil and Kwongan in south-western Australia. This thesis presents evidence on how soil phosphorus enrichment threatens nutrient-impoverished native communities and favours non-native invasive species. Additionally, it highlights nutrient-use and -acquisition responses of native Cerrado species to previous land-use changes in restorations trials. Finally, it reveals root mechanisms underlying facilitative interactions between species of contrasting nutrient-acquisition strategies. Understanding species interactions with the biotic and abiotic factors in these ecosystems is crucial to predict community assembly and better plan restoration in these areas.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Lambers, Hans, Supervisor
  • Oliveira, Rafael, Supervisor
  • Veneklaas, Erik, Supervisor
Award date27 Oct 2022
DOIs
Publication statusUnpublished - 2022

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