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Phenological Patterns of Endemic Hawaiian Angiosperms.

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Title:Phenological Patterns of Endemic Hawaiian Angiosperms.
Authors:Jones, Casey A.
Contributors:Botany (department)
circular statistics
climate change
Date Issued:Aug 2017
Publisher:University of Hawaiʻi at Mānoa
Abstract:Studies in plant phenology have provided some of the best evidence of ecological responses to
recent climate change. Many phenological studies have used herbarium specimen records for
analyses. Phenology studies using herbarium records were reviewed in order to summarize
approaches, applications, and validations to date. The lack of studies investigating tropical
phenology was addressed by analyzing herbarium specimens from the Hawaiian Islands. The
flowering and fruiting phenologies of 51 endemic Hawaiian angiosperms were analyzed using
herbarium records from 1837-2015. Results indicated that 75% of these species have yearly
flowering patterns. Species from temperate ancestral origins likely evolved to flower outside of
spring and summer months, possibly to synchronize fruiting to the onset of the wet season.
Shifts in flowering over the last century were associated with both temperature and rainfall. This
study demonstrated that herbarium records can be a valuable resource for understanding the
phenology of tropical plants.
Description:M.S. Thesis. University of Hawaiʻi at Mānoa 2017.
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: M.S. - Botany

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