Author

John F. O'Keefe

Harvard University

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

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Ecology· 1

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Research Focus:ecology & biodiversity· 1 Assay:imaging· 1 Approach:statistical model· 1

Frequent Co-Authors

Amey S. BaileyiD· 1 shared Andrew D. RichardsoniD· 1 shared Jonathan R. ThompsoniD· 1 shared M. A. FriedliD· 1 shared Valerie J. PasquarellaiD· 1 shared Xiaojie GaoiD· 1 shared

Activity by Year

2025-2025 · peak 1/yr

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6 top collaborators · 15 mutual co-author links

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1 shared paperEcology

Amey S. BaileyORCID

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1 paper

Recent·Most cited

Asymmetric Spring and Autumn Phenology Control Growing Season Length in Temperate Deciduous Forests

Xiaojie Gao, M. A. Friedl, Andrew D. Richardson, Valerie J. Pasquarella, John F. O'Keefe, Amey S. Bailey, Jonathan R. Thompson

The paper analyzes phenological dynamics across four decades and 10 tree species to show that spring and autumn phenology asymmetrically control growing season length, with spring driving interannual variation and autumn influencing long-term trends.

bioRxiv · Oct 21, 2025 · PreprintEcology