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A Simple Protocol for Mapping the Plant Root System Architecture Traits
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A roadmap to plant functional island biogeography
Julian Schrader1,2, Ian J Wright1, Holger Kreft2,3
1Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia.
Biological Reviews of the Cambridge Philosophical Society
|August 23, 2021
Summary
Island biogeography uses functional traits to understand species dispersal, establishment, and evolution on islands. Integrating trait data offers new insights into island ecosystems and conservation strategies.
Area of Science:
- Ecology
- Evolutionary Biology
- Biogeography
Background:
- Island biogeography traditionally focuses on species richness.
- Functional traits offer deeper insights into island species assembly and persistence.
- Island ecosystems are shaped by dispersal, establishment, biotic interactions, extinction, and evolution.
Purpose of the Study:
- To review and discuss the integration of functional traits into island biogeography.
- To evaluate how functional traits relate to core principles of island ecology and evolution.
- To formulate working hypotheses on functional traits in island ecosystems.
Main Methods:
- Literature review and synthesis of existing knowledge.
- Formulation of 33 working hypotheses organized into five sections.
- Focus on plant functional traits, with broader applicability to other taxa.
Main Results:
- Functional traits influence species dispersal, establishment, and extinction on islands.
- Traits shape biotic interactions, reproduction, and intra-island dispersal.
- Island evolution predictably alters trait values, with some traits being more susceptible to change.
Conclusions:
- Functional traits provide a powerful lens for understanding island ecosystems.
- Integrating functional traits enhances insights into evolutionary processes and ecological strategies on islands.
- Functional ecology is crucial for addressing global change and developing conservation strategies for islands.
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