학술논문

Echolocation call analysis and presence-only modelling as conservation monitoring tools for rhinolophoid bats in Thailand.
Document Type
Article
Source
Acta Chiropterologica; 2010, Vol. 12 Issue 2, p311-327, 17p, 1 Diagram, 2 Charts, 4 Graphs, 2 Maps
Subject
BAT sounds
BATS
BIODIVERSITY
HORSESHOE bats
HIPPOSIDERIDAE
Language
ISSN
15081109
Abstract
The article describes the development of an acoustic library for the echolocation calls of rhinolophoid bats in Thailand. It also examines whether call frequency and duration can be used to identify constant frequency (CF) bats. If complete biodiversity assessments of bats are to be obtained, acoustic methods involving the preparation of call libraries are necessary. Using call parameters in a discriminant function analysis, 69% of rhinolophid and 91% of hipposiderid calls could be successfully classified to species. Findings showed that call frequency was negatively associated to relative humidity, indicating that bats called in humid environments to counter increases in atmospheric attenuation.