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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 34
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 34
  5. 1

Application of acceleration data loggers to classify the behavior of captive Amazonian manatees (Trichechus inunguis)

https://doi.org/10.15083/00040667
https://doi.org/10.15083/00040667
63a1b1c6-d4d3-45f7-b2d9-26de7463aa71
名前 / ファイル ライセンス アクション
CMS340104.pdf CMS340104.pdf (816.3 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2012-05-25
タイトル
タイトル Application of acceleration data loggers to classify the behavior of captive Amazonian manatees (Trichechus inunguis)
言語
言語 eng
キーワード
主題Scheme Other
主題 acceleration data logger
キーワード
主題Scheme Other
主題 Amazonian manatee
キーワード
主題Scheme Other
主題 behaviour
キーワード
主題Scheme Other
主題 classification
キーワード
主題Scheme Other
主題 time budget
キーワード
主題Scheme Other
主題 Trichechus inunguis
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040667
ID登録タイプ JaLC
著者 Kikuchi, Mumi

× Kikuchi, Mumi

WEKO 93507

Kikuchi, Mumi

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Silva, Vera M. F. da

× Silva, Vera M. F. da

WEKO 93508

Silva, Vera M. F. da

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Rosas, Fernando C. W.

× Rosas, Fernando C. W.

WEKO 93509

Rosas, Fernando C. W.

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Miyazaki, Nobuyuki

× Miyazaki, Nobuyuki

WEKO 93510

Miyazaki, Nobuyuki

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著者所属
著者所属 Center for International Cooperation, Ocean Research Institute, The University of Tokyo
著者所属
著者所属 Aquatic Mammals Laboratory (LMA), National Institute of Amazonian Research (INPA)
抄録
内容記述タイプ Abstract
内容記述 The Trichechus inunguis is endemic to the Amazon region. Observation is nearly impossible because of the turbid water, which consequently hinders study of their behaviour. In this study, we deployed the acceleration data loggers to 9 captive Amazonian manatees to classify their behaviour at INPA, Brazil. The experiments were also recorded by video camera. We classified four types of behaviours: inactive on the bottom, walking on the bottom, surfacing and swimming. Inactive and walking on the bottom were classified using standard deviation (SD) of dive depth and longitudinal acceleration. The SD of dive depth shows the low variability in inactive and walking on the bottom (ranged from 0.0 to 0.1 m), the SD of longitudinal acceleration shows the low variability in inactive (from 0.00 to 0.01 ms(-2)), high variability in walking on the bottom (from 0.01 to 0.15 ms(-2)). Mean classification accuracy was 87.1% and 84.9% during inactive and walking on the bottom, respectively. 6 manatees were fed floating vegetables during experiment, and they showed a characteristic of long surfacing during feeding time. This characteristic was probably a fair reflection of their natural behavior, as wild Amazonian manatees prefer floating and emergent aquatic plants.
書誌情報 Coastal marine science

巻 34, 号 1, p. 24-30, 発行日 2010-08-20
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
日本十進分類法
主題Scheme NDC
主題 452
出版者
出版者 International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
出版者別名
東京大学大気海洋研究所国際沿岸海洋研究センター
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