Earlier plant flowering in spring as a response to global warming in the Washington, DC, area

Evidence for global warming is inferred from spring advances in first-flowering in plants. The trend of average first-flowering times per year for the study group shows a significant advance of 2.4 days over a 30-year period. When 11 species that exhibit later first-flowering times are excluded from...

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Bibliographic Details
Published in:Biodiversity and conservation 2001-04, Vol.10 (4), p.597-612
Main Authors: Abu-Asab, Mones S., Peterson, Paul M., Shetler, Stanwyn G., Orli, Sylvia S.
Format: Article
Language:English
Subjects:
Climate change
Conservation biology
Flowering plants
Global warming
Plant ecology
Temperature
USA, District of Columbia
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Summary:Evidence for global warming is inferred from spring advances in first-flowering in plants. The trend of average first-flowering times per year for the study group shows a significant advance of 2.4 days over a 30-year period. When 11 species that exhibit later first-flowering times are excluded from the data set, the remaining 89 show a significant advance of 4.5 days. Significant trends for earlier-flowering species range from -3.2 to -46 days, while those for later-flowering species range from +3.1 to +10.4 days. Advances of first-flowering in these 89 species are directly correlated with local increase in minimum temperature (T^sub min^).[PUBLICATION ABSTRACT]
ISSN:0960-3115
1572-9710
DOI:10.1023/A:1016667125469