USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Uses the USA-NPN Contemporary or Legacy Data

Title Authors Souce Year
Changes in the onset of spring in the western United States D.R. Cayan; S.A. Kammerdiener; M.D. Dettinger; J.M. Caprio; D.H. Peterson Bulletin of the American Meteorological Society 2001
A collection of the annual reports to cooperators of the phenological survey in the western region of the United States and related phenological information for the period 1956–1992 J.M. Caprio Montana Agricultural Experiment Station, Bozeman, MT 1993
Instructions for phenological observations: lilac and honeysuckle P.A. Dube; L.P. Perry; M.T. Vittum Bulletin/Vermont Agricultural Experiment Station (USA) 1984

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