Phosphorus-acquisition and phosphorus-utilisation strategies of native plants in south-western Australia

Qi Shen

Research output: ThesisDoctoral Thesis

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Abstract

Soils in south-western Australia have an extremely low phosphorus (P) concentration and various adaptation strategies evolved in native Proteaceae there. Myrtaceae, Fabaceae and Proteaceae growing in severely P-impoverished habitats exhibited multiple P-acquisition strategies. A variety of P-acquisition strategies were found in one genus of Proteaceae, Adenanthos. All Proteaceae in my study used P highly efficiently with a high photosynthetic P-use efficiency (PPUE), while not all Fabaceae and Myrtaceae had a high PPUE. Growing in the same severely P-impoverished soils, no covergent leaf P-allocation patterns were found among co-occurring species from Proteaceae, Myrtaceae and Fabaceae.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Finnegan, Patrick, Supervisor
  • Lambers, Hans, Supervisor
  • Ranathunge, Kosala, Supervisor
Award date25 Jul 2023
DOIs
Publication statusUnpublished - 2023

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