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      • KCI등재

        Acoustic Species Identification of Korean Myotis Bats (Chiroptera: Vespertilionidae)

        Yoon, Kwang Bae,Rahman, M. Mafizur,Park, Yung Chul Institute of Forest Science 2016 Journal of Forest Science Vol.32 No.1

        We investigated structure and intensity of 267 echolocation calls that were collected from the five Korean Myotis species (M. nettereri, M. petax, M. ikonnikovi, M. macrodactylus and M. formosus). All the Myotis species produced typical FM call pattern with similar echolocation call shapes and outer shapes, producing steep, downward frequency-modulated calls. A pulse has two harmonies, which consist of the first harmony with wider bandwidth and the second harmony with narrower bandwidth. The PF of the first harmony is higher than that of the second harmony. The typical FM call structure, with two harmonies and wide bandwidth, might be highly related to fast flying and wide screening in the dense forests. In classification of the echolocation calls by DFA, most of calls from the five species could be well correctly classified. All calls of M. nettereri (100% of 17 calls), M. formosus (95.5% of 22 calls) and M. ikonnikovi (85.7% of 70 calls) could be well discriminated from those of the other species, whereas calls of M. petax and M. macrodactylus could be discriminated by 70.4% of 98 calls and 76.7% of 60 calls, respectively. Our results indicate that the five Korean Myotis species can be well identified by the echolocation calls with high correct classification by DFA.

      • KCI등재

        Acoustic Species Identification of Korean Myotis Bats (Chiroptera: Vespertilionidae)

        Kwang Bae Yoon,M. Mafizur Rahman,Yung Chul Park 강원대학교 산림과학연구소 2016 Journal of Forest Science Vol.32 No.1

        We investigated structure and intensity of 267 echolocation calls that were collected from the five Korean Myotis species (M. nettereri, M. petax, M. ikonnikovi, M. macrodactylus and M. formosus). All the Myotis species produced typical FM call pattern with similar echolocation call shapes and outer shapes, producing steep, downward frequency-modulated calls. A pulse has two harmonies, which consist of the first harmony with wider bandwidth and the second harmony with narrower bandwidth. The PF of the first harmony is higher than that of the second harmony. The typical FM call structure, with two harmonies and wide bandwidth, might be highly related to fast flying and wide screening in the dense forests. In classification of the echolocation calls by DFA, most of calls from the five species could be well correctly classified. All calls of M. nettereri (100% of 17 calls), M. formosus (95.5% of 22 calls) and M. ikonnikovi (85.7% of 70 calls) could be well discriminated from those of the other species, whereas calls of M. petax and M. macrodactylus could be discriminated by 70.4% of 98 calls and 76.7% of 60 calls, respectively. Our results indicate that the five Korean Myotis species can be well identified by the echolocation calls with high correct classification by DFA.

      • KCI등재

        Complete mitochondrial genome sequence of the Indian pipistrelle Pipistrellus coromandra (Vespertilioninae)

        M. Mafizur Rahman,윤광배,김지영,Mohamed Zakaria Hussin,박영철 한국통합생물학회 2016 Animal cells and systems Vol.20 No.2

        We characterized the complete mitogenome of Pipistrellus coromandra (Indian pipistrelle) for comparative analysis of mitogenomes and for resolving the phylogenetic relationship of four tribes in the subfamily Vespertilioninae. The mitogenome size of P. coromandra was 17,153 bp, with a control region and a typical set of 37 mitochondrial genes. The nucleotide composition of the P. coromandra mitogenome showed an AT bias with a nucleotide composition of 33.5% A, 30.7% T, 13.3% G, and 22.5% C. The mitochondrial protein-coding genes in P. coromandra use the standard start codon (ATN), two stop codons (TAA and AGA), and two incomplete stop codons (TA- and T–). The intertribal relationship of four tribes was highly resolved from the phylogenetic analysis of mitogenome sequences.

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