Global weather variability affects avian phenology: a long-term analysis, 1881-2001.

HUBÁLEK, Zdeněk. Global weather variability affects avian phenology: a long-term analysis, 1881-2001. Folia Zoologica. Brno: Institute of Vertebrate Biology ASCR., 2004, vol. 53, No 4, p. 227-236. ISSN 0139-7893.

Basic information

• Original name: Global weather variability affects avian phenology: a long-term analysis, 1881-2001.
• Name in Czech: Globální variabilita počasí ovlivňuje fenologii ptáků: dlouhodobá analýza za léta 1881 až 2001.
• Authors: HUBÁLEK, Zdeněk.
• Edition: Folia Zoologica, Brno, Institute of Vertebrate Biology ASCR. 2004, 0139-7893.

Other information

• Type of outcome: Article in a journal
• Confidentiality degree: is not subject to a state or trade secret
• Impact factor: Impact factor: 0.536
• Organization unit: Faculty of Science
• UT WoS: 000224924400001
• Keywords in English: bird migration; North Atlantic Oscillation; NAO; migratory birds; air temperature; spring; short-distance migratnts; long-distance migrants
• Tags: Air temperature, bird migration, long-distance migrants, migratory birds, NAO, North Atlantic Oscillation, short-distance migratnts, spring

Abstract

Spring arrival dates of 37 migratory bird species recorded in Moravia (Czechland) during 103 years between 1881 and 2001 were correlated with seasonal North Atlantic Oscillation (NAO) index. Bird arrivals occurred significantly earlier following positive NAO values (causing a warmer spring than normal in Central Europe) in all short-distance migrants with a European/Mediterranean winter range (e.g., Alauda arvensis, Columba palumbus, Serinus serinus, Sturnus vulgaris, Turdus philomelos, Vanellus vanellus). However, the timing of arrival did not correlate significantly with NAO in long-distance migrants having largely a sub-Saharan winter range (e.g., Apus apus, Ciconia ciconia, Cuculus canorus, Hippolais icterina, Hirundo rustica, Oriolus oriolus, Streptopelia turtur, Upupa epops). The prevailing positive phase of winter NAO conditions observed in Europe at the end of the 20th century has obviously determined the trend of an earlier than normal arrival of short-distance migrants.