A Comparison between Nocturnal Aural Counts of Passerines and Radar Reflectivity from a Canadian Weather Surveillance Radar

@inproceedings{Gagnon2010ACB,
  title={A Comparison between Nocturnal Aural Counts of Passerines and Radar Reflectivity from a Canadian Weather Surveillance Radar},
  author={F. Gagnon and M. B{\'e}lisle and J. Ibarzabal and P. Vaillancourt and Jean-Pierre L. Savard},
  year={2010}
}
  • F. Gagnon, M. Bélisle, +2 authors Jean-Pierre L. Savard
  • Published 2010
  • Biology
  • ABSTRACT. Using a Canadian weather surveillance radar (CWSR), we assessed the relationship between aural passerine counts and radar reflectivity during autumn migration on 16 nights. Reflectivity was positively correlated on all but 1 night with the number of birds detected aurally, but the correlation strength varied between -0.58 and 0.93 among nights (mean ± SD = 0.69 ± 0.42). Using linear mixed-effects models with aural counts nested within nights, we found that the number of birds… CONTINUE READING
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