International Journal of Biometeorology

, Volume 59, Issue 4, pp 477–480 | Cite as

Climate sensitivity and variation in first flowering of 26 Narcissus cultivars

  • Anna Bock
  • Tim H. Sparks
  • Nicole Estrella
  • Nigel Jee
  • Andrew Casebow
  • Michael Leuchner
  • Annette Menzel
Short Communication

Abstract

The first flowering dates of 26 Narcissus cultivars were recorded over a 27-year period on the island of Guernsey, within the English Channel. We analysed flowering trends over time and relationships with climate variables. The study revealed that earlier flowering cultivars advanced most and were more variable than later flowering Narcissus. We furthermore discovered a strong relationship between flowering and climate variables, with temperature appearing to be the main driver. Whilst the first flowering date averaged over all cultivars did show a significant advance, this was significant for only one of the individual cultivars. This is likely because temperatures from December to March had not significantly increased in Guernsey during the study period (1985 to 2011).

Keywords

Narcissus First flowering date Long-term data Climate sensitivity 

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Copyright information

© ISB 2014

Authors and Affiliations

  • Anna Bock
    • 1
    • 2
  • Tim H. Sparks
    • 1
    • 2
    • 3
    • 4
    • 5
  • Nicole Estrella
    • 1
  • Nigel Jee
    • 6
  • Andrew Casebow
    • 7
  • Michael Leuchner
    • 1
    • 2
  • Annette Menzel
    • 1
    • 2
  1. 1.Chair of EcoclimatologyTechnische Universität MünchenFreisingGermany
  2. 2.Institute for Advanced StudyTechnische Universität MünchenGarchingGermany
  3. 3.Institute of ZoologyPoznań University of Life SciencesPoznańPoland
  4. 4.Department of ZoologyUniversity of CambridgeCambridgeUK
  5. 5.sigma, Faculty of Engineering and ComputingCoventry UniversityCoventryUK
  6. 6.CastelUK
  7. 7.States of GuernseySt MartinsUK

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