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Natural history of resident and translocated alligator Snapping Turtles (Macrochelys temminckii) in Louisiana

机译:路易斯安那州常住鳄和易位鳄鳄的自然史(Macrochelys temminckii)

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摘要

Translocation is often considered a viable conservation strategy, despite the absence of species-specific post-translocation data. Macrochelys temminckii (Alligator Snapping Turtle) populations have declined across their range and they may be considered candidates for translocation, but few studies have examined the response of individuals to movement events. I monitored M. temminckii with radiotelemetry in northwest Louisiana to provide baseline data regarding the species' response to translocation. I calculated average distances moved per day, measured water depths, and recorded growth of translocated and resident turtles. There was no observed mortality during the study, and translocated turtles gained mass and increased shell dimensions, indicating they effectively located resources after translocation. Resident individual shell dimensions increased, but some residents lost mass, possibly due to early recapture and reweighing dates. Movement distances were within the ranges reported by previous researchers. These data contribute baseline information concerning M. temminckii conservation biology.
机译:尽管没有特定物种的易位后数据,但易位通常被认为是可行的保护策略。鳄鳄(Macrochelys temminckii)种群在其分布范围内呈下降趋势,可能被认为是易位种群,但很少有研究检查个体对运动事件的反应。我在路易斯安那州西北部用无线电遥测技术监测了temminckii菌,以提供有关该物种对易位反应的基线数据。我计算了每天的平均移动距离,测量了水深,并记录了易位龟和常驻龟的生长情况。在研究期间没有观察到死亡率,易位的海龟增加了体重并增加了壳的尺寸,表明它们在易位后有效地定位了资源。居民的个体外壳尺寸增加了,但是一些居民失去了质量,这可能是由于提早重新捕获和重新称重日期所致。运动距离在以前的研究人员报告的范围内。这些数据提供了有关temminckii保护生物学的基线信息。

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