USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Image credit:
California Phenology Project

Peer-reviewed Results

The USA-NPN has contributed to the development of many peer-reviewed publications. See them by their USA-NPN Category; Uses the USA-NPN Protocols, Uses the USA-NPN Contemporary or Legacy Data, or Describes the USA-NPN Program and Collaborations.

  1. Title Phenology: an aid to agricultural technology Authors: R.J. Hopp Category: Uses the USA-NPN Contemporary or Legacy Data Source: Vermont Agricultural Experiment Station Bulletin Year: 1978
  2. Title Phenology: An Aid to Agricultural Technology Authors: R.J. Hopp Category: Uses the USA-NPN Contemporary or Legacy Data Source: Year: 1978
  3. Title The importance of soil and air temperature in spring phenoclimatic modelling Authors: R.P. Hickin; M.T. Vittum Category: Uses the USA-NPN Contemporary or Legacy Data Source: International Journal of Biometeorology Year: 1976
  4. Title Modeling Lilac Development Authors: R.J. Hopp Category: Uses the USA-NPN Contemporary or Legacy Data Source: Year: 1976
  5. Title Modeling Lilac Development Authors: R.J. Hopp Category: Uses the USA-NPN Contemporary or Legacy Data Source: Year: 1976
  6. Title The Solar Thermal Unit Concept in Problems Related to Plant Development and Potential Evapotranspiration Authors: J.M. Caprio Category: Uses the USA-NPN Contemporary or Legacy Data Source: Phenology and Seasonality Modeling, H. Lieth, editor. Year: 1974
  7. Title Phenology and seasonality modeling Authors: H. Lieth Category: Uses the USA-NPN Contemporary or Legacy Data Source: Year: 1974
  8. Title Plant Phenology in Eastern and Central North America: I. Development of Networks and Preliminary Results Authors: R.J. Hopp; B.O. Blair Category: Uses the USA-NPN Contemporary or Legacy Data Source: Vermont Agricultural Experiment Station Bulletin Year: 1973
  9. Title Plant Phenology in Eastern and Central North America: II. Phenological Observations on Lilac 'Red Rothomagensis' Authors: R.J. Hopp; B.O. Blair; R.P. Hickin Category: Uses the USA-NPN Contemporary or Legacy Data Source: Vermont Agricultural Experiment Station Bulletin Year: 1973
  10. Title Plant phenology in eastern and central North America. I. Development of networks and preliminary results. Vermont Agr. Exp. Sta Authors: R.J. Hopp; B.O. Blair Category: Uses the USA-NPN Contemporary or Legacy Data Source: Bull Year: 1973
  11. Title Plant phenology in eastern and central North America. II. Phenologieal observations in lilac Red Rothomagensis. Vermont Agr. Exp. Sta Authors: R.J. Hopp; B.O. Blair; R.P. Hickin Category: Uses the USA-NPN Contemporary or Legacy Data Source: Bull Year: 1973
  12. Title A Statistical Procedure for Determining the Association between Weather and Non-Measurement Biological Data Authors: J.M. Caprio Category: Uses the USA-NPN Contemporary or Legacy Data Source: Agricultural Meteorology Year: 1966
  13. Title Patterns of plant development in the Western United States Authors: J.M. Caprio Category: Uses the USA-NPN Contemporary or Legacy Data Source: Montana Agricultural Experiment Station Bulletin Year: 1966
  14. Title Phenology of lilac bloom in Montana Authors: J.M. Caprio Category: Uses the USA-NPN Contemporary or Legacy Data Source: Science Year: 1957

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