globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0121442
论文题名:
Acoustic Property Reconstruction of a Neonate Yangtze Finless Porpoise's (Neophocaena asiaeorientalis) Head Based on CT Imaging
作者: Chong Wei; Zhitao Wang; Zhongchang Song; Kexiong Wang; Ding Wang; Whitlow W. L. Au; Yu Zhang
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-4-9
卷: 10, 期:4
语种: 英语
英文关键词: Computed axial tomography ; Porpoises ; Fats ; Acoustics ; Muscle tissue ; Bioacoustics ; Connective tissue ; Regression analysis
英文摘要: The reconstruction of the acoustic properties of a neonate finless porpoise’s head was performed using X-ray computed tomography (CT). The head of the deceased neonate porpoise was also segmented across the body axis and cut into slices. The averaged sound velocity and density were measured, and the Hounsfield units (HU) of the corresponding slices were obtained from computed tomography scanning. A regression analysis was employed to show the linear relationships between the Hounsfield unit and both sound velocity and density of samples. Furthermore, the CT imaging data were used to compare the HU value, sound velocity, density and acoustic characteristic impedance of the main tissues in the porpoise’s head. The results showed that the linear relationships between HU and both sound velocity and density were qualitatively consistent with previous studies on Indo-pacific humpback dolphins and Cuvier’s beaked whales. However, there was no significant increase of the sound velocity and acoustic impedance from the inner core to the outer layer in this neonate finless porpoise’s melon.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0121442&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/21600
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Xiamen University), Ministry of Education, Xiamen 361005, Fujian, China;Hawaii Institute of Marine Biology, University of Hawaii, 46–007 Lilipuna Road, Kaneohe, Hawaii 96744, United States of America;Key Laboratory of Aquatic Biodiversity and Conservation of the Chinese Academy of Sciences, Institute of Hydrobiology of the Chinese Academy of Sciences, Wuhan 430072, P. R. China;University of Chinese Academy of Sciences, Beijing 100039, P. R. China;College of Oceanography and Environmental Science, Xiamen University, Xiping Building, Xiangan South Road, Xiamen, 361005, P. R. China;Key Laboratory of Aquatic Biodiversity and Conservation of the Chinese Academy of Sciences, Institute of Hydrobiology of the Chinese Academy of Sciences, Wuhan 430072, P. R. China;Key Laboratory of Aquatic Biodiversity and Conservation of the Chinese Academy of Sciences, Institute of Hydrobiology of the Chinese Academy of Sciences, Wuhan 430072, P. R. China;Hawaii Institute of Marine Biology, University of Hawaii, 46–007 Lilipuna Road, Kaneohe, Hawaii 96744, United States of America;Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Xiamen University), Ministry of Education, Xiamen 361005, Fujian, China;College of Ocean & Sciences, Xiamen University, Xiamen 361005, Fujian, China

Recommended Citation:
Chong Wei,Zhitao Wang,Zhongchang Song,et al. Acoustic Property Reconstruction of a Neonate Yangtze Finless Porpoise's (Neophocaena asiaeorientalis) Head Based on CT Imaging[J]. PLOS ONE,2015-01-01,10(4)
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