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Home ranges and Movements of Two Diamondback Terrapins ( Malaclemys terrapin macrospilota ) in Northwest Florida
Estuaries and Coasts ( IF 2.7 ) Pub Date : 2021-01-31 , DOI: 10.1007/s12237-020-00892-0
Margaret M. Lamont , Darren Johnson , Daniel J. Catizone

The diamondback terrapin (Malaclemys terrapin) is a small estuarine turtle distributed along the Atlantic and Gulf Coasts of the USA that is threatened by drowning in crab pots, road mortality, exploitation in the pet trade, and habitat loss. Little is known about the movement patterns and home ranges of these turtles, particularly along the U.S. Gulf of Mexico coast. Satellite tags were deployed on two adult female terrapins captured at two distinct sites in Northwest Florida. A first-difference correlated random walk approach was used to determine distances traveled and estimate home range for each individual. The two terrapins were tracked for 146 and 147 days, and the total distance traveled for each terrapin was 70.1 km and 723.0 km, respectively. The maximum distance moved from capture location was 11.3 km and 49.6 km. Home ranges here were much larger than those previously reported in other studies. The movements we documented were greater than expected and indicate habitat protection for this species may need to be expanded to incorporate more distant foraging sites.



中文翻译:

佛罗里达州西北部的两个响尾蛇水龟(Malaclemys terrapin macrospilota)的住所范围和运动

菱纹背龟(Malaclemys terrapin)是一种分布在美国大西洋和墨西哥湾沿岸的小型河口海龟,受到蟹锅溺水,道路死亡,宠物贸易中的剥削和栖息地丧失的威胁。这些乌龟的活动方式和栖息地知之甚少,尤其是在美国墨西哥湾沿岸。卫星标签被部署在佛罗里达西北部两个不同地点捕获的两个成年雌龟上。一阶相关的随机游走方法用于确定行进距离并估计每个人的回家范围。跟踪了两个水龟146天和147天,每个水龟的总行驶距离分别为70.1公里和723.0公里。距离捕获地点的最大距离是11.3公里和49.6公里。这里的房屋范围比以前在其他研究中报告的范围要大得多。我们记录的运动比预期的要大,表明该物种的栖息地保护可能需要扩大,以纳入更远的觅食地。

更新日期:2021-01-31
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