リハビリされたカメはどこへ行くのか?(Where Do Rehabbed Turtles Go?)

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2023-10-09 ノースカロライナ州立大学(NCState)

リハビリされたカメはどこへ行くのか?(Where Do Rehabbed Turtles Go?)Leech the turtle. Photo: Becky Kirkland, NC State

◆ノースカロライナ州立大学の研究チームは、野生のカメが事故から回復し、野生に戻った後の生存状況を理解することが難しいことを示す研究を行いました。
◆ボランティアのTurtle Rescue Team(TRT)は年間600匹以上の野生のカメを受け入れ、約半数が治療後に野生に戻されていますが、その後の結果を追跡するリソースは限られています。
◆研究では16匹のカメにラジオトランスミッターを取り付けて放流し、彼らの行動を追跡しましたが、トランスミッターの性能や地形の問題により、追跡が難しさがありました。研究結果から、カメの生存と行動についていくつかの興味深い観察が得られました。

<関連情報>

治療とリハビリから解放された東部ハコガメ(Terrapene carolina carolina)の健康パラメータと行動を監視する長期遠隔測定研究 Long-term telemetry study monitoring health parameters and behaviour of eastern box turtles (Terrapene carolina carolina) released from treatment and rehabilitation

Sarah Zurbachen,Holly Amato,Emily Tucker-Retter,Ronald Kent Passingham,Gregory A. Lewbart
Wildlife Rehabilitation Bulletin  Published:2023-08-31
DOI:https://doi.org/10.53607/wrb.v41.252

ABSTRACT

In this pilot study, 16 rehabilitated eastern box turtles (Terrapene carolina carolina) had radio transmitters attached to their carapace and were being monitored for the life of the transmitter (average lifespan of 283 days). Turtles in this study were presented to North Carolina State University’s Turtle Rescue Team (TRT), an organization that cares for wild, injured and ill turtles, to triage, rehabilitate and release them back into the wild. In the years from 2005 to 2014, 897 turtles were released after treatment, which accounted for 47.1% of admissions; this percentage remains the trend. There has never been a long-term study tracking the survival and health of turtles once released from TRT’s care. At the study’s conclusion, one turtle was successfully followed for the entire tracking period. Three turtles were lost after a period of torpor (a state of inactivity during the winter months). Three turtles died sometime after release (mean 86 days after release). Five turtles have not been found since their release and are believed to have travelled a significant distance from their release site. Three turtles were found once after release, but not in consequent searches. One of the radio transmitters is known to have stopped emitting a signal for unknown reasons. Most commonly, the turtles have been found motionless and unboxed. All of the turtles located were found within 722 m of their release sites. This study is the first step in developing more effective protocols to estimate the survivability and behaviour of the turtles released from rehabilitation settings.

生物環境工学
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