Marking the un-markable: visible implant elastomer in wild juvenile snakes

IF 1.1 4区 生物学 Q3 ZOOLOGY
Tom Major, Devlan R. Alkins, Lauren Jeffrey, W. Wüster
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引用次数: 4

Abstract

C (CMR) studies are important in the collection of data on individual development, site fidelity, movement patterns, and abundance of individuals (Sanchez-Camara & Booth, 2004; Krebs, 1989). As most CMR studies rely on distinguishing one individual from another, unique marks or patterns are key to an effective study. The marks must meet several fundamental criteria: the mark cannot be easily lost; it must not affect the survival of the individual; it must not affect the likelihood of recapture; and it must be recordable (Otis et al., 1978). Because of their small size and lack of limbs, juvenile snakes have been difficult to mark (Winne et al., 2006). As a result, the natural history and movement ecology of juvenile snakes remains poorly understood and represents a major knowledge gap in herpetology (Ferner & Plummer, 2016). There are many different methods by which a mark can be applied to snakes (Haines & Modde, 1996; Powell & Proulx, 2003), but most have drawbacks undermining their utility. Externally mounted tags can be shed or knocked off when the snake is active and may hinder the snake in its movement. Ventral scale clipping marks are less obtrusive to the animal, but can sometimes be confused due to new scars on the ventral side of the snake, and substantial regrowth of clipped tissue. The https://doi.org/10.33256/hj30.3.173176
标记不可标记:野生幼蛇可见植入弹性体
C (CMR)研究在收集关于个体发展、场地保真度、运动模式和个体丰度的数据方面很重要(Sanchez-Camara & Booth, 2004;克雷布斯,1989)。由于大多数CMR研究依赖于区分个体,独特的标记或模式是有效研究的关键。这些标记必须符合几个基本标准:标记不能轻易丢失;它不得影响个人的生存;不得影响重获的可能性;而且必须是可记录的(Otis et al., 1978)。由于幼蛇体型小且没有四肢,很难标记(Winne et al., 2006)。因此,幼蛇的自然史和运动生态学仍然知之甚少,这代表了爬行动物学的一个主要知识缺口(Ferner & Plummer, 2016)。有许多不同的方法可以将标记应用于蛇(Haines & Modde, 1996;Powell & Proulx, 2003),但大多数都有削弱其效用的缺点。外部安装的标签可以脱落或敲掉时,蛇是活跃的,可能会阻碍蛇在其运动。腹部鳞片剪痕对动物来说不太明显,但有时会被混淆,因为蛇的腹部有新的疤痕,以及被剪组织的大量再生。https://doi.org/10.33256/hj30.3.173176
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来源期刊
Herpetological Journal
Herpetological Journal 生物-动物学
CiteScore
2.40
自引率
10.00%
发文量
25
审稿时长
>12 weeks
期刊介绍: The Herpetological Journal is the Society''s prestigious quarterly scientific journal.
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