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A starting guide to root ecology: strengthening ecological concepts and standardising root classification, sampling,
Grégoire T Freschet1,2, Loïc Pagès3, Colleen M Iversen4
1CEFE, Univ Montpellier, CNRS, EPHE, IRD, 1919 route de Mende, Montpellier, 34293, France.
The New Phytologist
|October 5, 2021
Summary
This handbook provides standardized methods and controlled vocabularies for root ecology research. It aims to improve trait comparisons and data integration, fostering a broader understanding of root functions in ecosystems.
Area of Science:
- Plant Ecology
- Environmental Science
- Root Biology
Background:
- Root ecology research is rapidly expanding, yet faces challenges due to disparate and often inappropriate methodologies.
- Integrating below-ground components into plant and ecosystem studies is crucial but hindered by a lack of standardized approaches.
- Existing methods for root trait comparison and data integration across studies are inconsistent, limiting comprehensive knowledge generation.
Purpose of the Study:
- To provide standardized methods and controlled vocabularies for root ecology research.
- To improve trait comparisons across studies and facilitate information integration across databases.
- To serve as a foundational guide for students, researchers, and experts in root ecology.
Main Methods:
- Compilation of measurement protocols from a large team of experts.
- Synthesis of literature recommendations for defining, classifying, and naming below-ground plant entities.
- Inclusion of guidance on root handling, cleaning, storage, and metadata collection.
- Presentation of ecological context for root traits, including their meaning, use, uncertainties, and future research perspectives.
Main Results:
- Standardized methods and controlled vocabularies are presented to enhance comparability of root trait data.
- Key background knowledge is synthesized for defining plant below-ground entities beyond the fine-root vs. coarse-root classification.
- Practical guidance is offered for sound laboratory and field data collection, including often-overlooked steps.
- Ecological context and future research perspectives are provided for numerous root traits.
Conclusions:
- The handbook aims to break down sub-discipline barriers in root ecology and ecophysiology.
- Standardized approaches will foster comprehensive experiments on the role of roots in plant and ecosystem functioning.
- This resource will broaden researchers' views and create favorable conditions for integrated root ecology studies.
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