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Comparison of stationary acoustic monitoring and visual observation of finless porpoises
Kimura, Satoko1; Akamatsu, Tomonari2; Wang, Kexiong3; Wang, Ding3; Li, Songhai3; Dong, Shouyue3; Arai, Nobuaki1; Kimura, S, Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan
2009
Source PublicationJOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
ISSN0001-4966
Volume125Issue:1Pages:547-553
AbstractThe detection performance regarding stationary acoustic monitoring of Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis was compared to visual observations. Three stereo acoustic data loggers (A-tag) were placed at different locations near the confluence of Poyang Lake and the Yangtze River, China. The presence and number of porpoises were determined acoustically and visually during each 1-min time bin. On average, porpoises were acoustically detected 81.7 +/- 9.7% of the entire effective observation time, while the presence of animals was confirmed visually 12.7 +/- 11.0% of the entire time. Acoustic monitoring indicated areas of high and low porpoise densities that were consistent with visual observations. The direction of porpoise movement was monitored using stereo beams, which agreed with visual observations at all monitoring locations. Acoustic and visual methods could determine group sizes up to five and ten individuals, respectively. While the acoustic monitoring method had the advantage of high detection probability, it tended to underestimate group size due to the limited resolution of sound source bearing angles. The stationary acoustic monitoring method proved to be a practical and useful alternative to visual observations, especially in areas of low porpoise density for long-term monitoring.; The detection performance regarding stationary acoustic monitoring of Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis was compared to visual observations. Three stereo acoustic data loggers (A-tag) were placed at different locations near the confluence of Poyang Lake and the Yangtze River, China. The presence and number of porpoises were determined acoustically and visually during each 1-min time bin. On average, porpoises were acoustically detected 81.7 +/- 9.7% of the entire effective observation time, while the presence of animals was confirmed visually 12.7 +/- 11.0% of the entire time. Acoustic monitoring indicated areas of high and low porpoise densities that were consistent with visual observations. The direction of porpoise movement was monitored using stereo beams, which agreed with visual observations at all monitoring locations. Acoustic and visual methods could determine group sizes up to five and ten individuals, respectively. While the acoustic monitoring method had the advantage of high detection probability, it tended to underestimate group size due to the limited resolution of sound source bearing angles. The stationary acoustic monitoring method proved to be a practical and useful alternative to visual observations, especially in areas of low porpoise density for long-term monitoring.
SubtypeArticle
KeywordBioacoustics Mechanoception Zoology
Department[Kimura, Satoko; Arai, Nobuaki] Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan; [Akamatsu, Tomonari] Natl Res Inst Fisheries Engn, Kashima, Ibaraki 3140421, Japan; [Wang, Kexiong; Wang, Ding; Li, Songhai; Dong, Shouyue] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaAcoustics
DOI10.1121/1.3021302
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
Funding OrganizationJapanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M]
Indexed BySCI
Language英语
WOS Research AreaAcoustics ; Audiology & Speech-Language Pathology
WOS SubjectAcoustics ; Audiology & Speech-Language Pathology
WOS IDWOS:000262672600064
WOS KeywordBOTTLE-NOSED DOLPHINS ; NEOPHOCAENA-PHOCAENOIDES-ASIAEORIENTIALIS ; YANGTZE-RIVER ; ECHOLOCATION SIGNALS ; TURSIOPS-TRUNCATUS ; HARBOR PORPOISES ; GAIN-CONTROL ; DATA LOGGER ; T-PODS ; BEHAVIOR
Funding OrganizationJapanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M] ; Japanese Research and Development Program for New Bio-Industry Initiatives [19405005]; National Natural Science Foundation of China [30730018, 30570233]; Chinese Academy of Sciences ; Ocean Park Conservation Foundation of Hong Kong, ; Japan Science Society [19-740M]
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7874
Collection期刊论文
Corresponding AuthorKimura, S, Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan
Affiliation1.Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan
2.Natl Res Inst Fisheries Engn, Kashima, Ibaraki 3140421, Japan
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Kimura, Satoko,Akamatsu, Tomonari,Wang, Kexiong,et al. Comparison of stationary acoustic monitoring and visual observation of finless porpoises[J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2009,125(1):547-553.
APA Kimura, Satoko.,Akamatsu, Tomonari.,Wang, Kexiong.,Wang, Ding.,Li, Songhai.,...&Kimura, S, Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan.(2009).Comparison of stationary acoustic monitoring and visual observation of finless porpoises.JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,125(1),547-553.
MLA Kimura, Satoko,et al."Comparison of stationary acoustic monitoring and visual observation of finless porpoises".JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 125.1(2009):547-553.
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