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Testing the Shifting Persistence Niche Concept: Plant Resprouting along Gradients of Disturbance

Overview of attention for article published in The American Naturalist, June 2015
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Title
Testing the Shifting Persistence Niche Concept: Plant Resprouting along Gradients of Disturbance
Published in
The American Naturalist, June 2015
DOI 10.1086/681160
Pubmed ID
Authors

Peter J. Clarke, Dorothy M. Bell, Michael J. Lawes

Abstract

Plant resprouting after disturbance confers community resilience because individuals persist through trade-offs in resources for buds versus those required to produce seeds. However, repeated disturbance may deplete bud banks, and population persistence may become increasingly reliant on regeneration from seed. Theory predicts a shift in community assemblage from species with a strategy of persistence by resprouting (persistence niche) to one of regeneration from seed (regeneration niche) as the disturbance frequency increases. We tested, for the first time, the shifting persistence niche concept in a model system at local and regional community scales using a phylogenetically diverse floristic assemblage. Persistence traits of vascular plants were modeled as a function of dry-down frequency in wetlands. Resprouting species occupying the persistence niche were more common in stable wetlands than in those more frequently disturbed by dry downs. The patterns of resprouting species in standing vegetation and in seed banks provide strong support for the shifting persistence niche model involving trade-offs between resprouting (clonality) and sexual reproduction.

Mendeley readers

The data shown below were compiled from readership statistics for 66 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Switzerland 2 3%
United States 1 2%
Finland 1 2%
Unknown 62 94%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 17 26%
Researcher 17 26%
Student > Master 8 12%
Student > Doctoral Student 5 8%
Professor > Associate Professor 3 5%
Other 10 15%
Unknown 6 9%
Readers by discipline Count As %
Agricultural and Biological Sciences 32 48%
Environmental Science 19 29%
Arts and Humanities 2 3%
Earth and Planetary Sciences 2 3%
Computer Science 1 2%
Other 2 3%
Unknown 8 12%