Modified Petraborg index applied to the sampling of male crickets by aural detection

Zenón Cano-Santana; Ariana Romero-Mata; H. Marcela Pérez-Escobedo

doi:10.1665/1082-6467(2008)17[111:MPIATT]2.0.CO;2

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1 June 2008 Modified Petraborg index applied to the sampling of male crickets by aural detection

Zenón Cano-Santana, Ariana Romero-Mata, H. Marcela Pérez-Escobedo

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J. of Orthoptera Research, 17(1):111-112 (2008). https://doi.org/10.1665/1082-6467(2008)17[111:MPIATT]2.0.CO;2

Abstract

A modified Petraborg index is proposed to correct an underestimation error in the original formula and its use illustrated in censusing singers of Oecanthus niveus in Mexico. The unmodified index departs widely from observed densities; the modified index does not.

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Zenón Cano-Santana, Ariana Romero-Mata, and H. Marcela Pérez-Escobedo "Modified Petraborg index applied to the sampling of male crickets by aural detection," Journal of Orthoptera Research 17(1), 111-112, (1 June 2008). https://doi.org/10.1665/1082-6467(2008)17[111:MPIATT]2.0.CO;2

Accepted: 1 July 2008; Published: 1 June 2008

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