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首页> 外文期刊>Pacific Science: A Quarterly Devoted to the Biological and Physical Sciences of the Pacific Region >Feasibility of Using Passive Integrated Transponder Technology for Studying the Ecology of Juvenile Striped Mullet (Mugil cephalus) in Streams
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Feasibility of Using Passive Integrated Transponder Technology for Studying the Ecology of Juvenile Striped Mullet (Mugil cephalus) in Streams

机译：利用无源集成转发器技术研究溪流中幼条Mul鱼的生态学的可行性

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摘要

Passive integrated transponder (PIT) tags are an important technology used to study ecology and behavior of animals including several stream fishes. In this study we investigated feasibility of using PIT technology to study ecology of juvenile Mugil cephalus (striped mullet) in Hawaiian streams. We quantified retention rates of PIT tags relative to an alternative tagging approach, visible implant elastomer (VIE) tags in the postorbital adipose tissue, for juvenile M. cephalus through a laboratory study. Next we conducted a field study of movement patterns of PIT-tagged juvenile mullet in a lowland Hawaiian stream (Waiahole Stream) from early to mid-August 2014. For the laboratory portion of the study, 30 individuals (5-7 cm fork length) were randomly distributed among three treatments: PIT, VIE, and control (no tag) and held for 48 days. Tag retention was 100% for PIT-tagged and 0% for VIE-tagged fish. For the field study, 19 individuals (14.6-18.7 cm fork length) collected from Waiahole Stream were implanted with PIT tags, and the movement of tagged individuals between the stream and its stream-mouth estuary/Kane'ohe Bay was inferred using a stationary PIT antenna array for 7 days. During that period, the antenna array registered 189 detections (97% during daylight hours, one missed detection) from five individuals, translating into 27 visits in total. Trip lengths to the estuary ranged from 45 min to 22 hr, with longer forays (>= 10 hr) occurring primarily at night and shorter forays (<10 hr) occurring throughout daylight hours. Our results suggest that PIT tags are a feasible and effective marking technology for studying ecology of individual M. cephalus in streams, which paves the way for future research using this approach to study other aspects of their ecology.
机译：被动集成应答器（PIT）标签是一项重要的技术，用于研究动物（包括几种河豚）的生态和行为。在这项研究中，我们调查了使用PIT技术研究夏威夷河中少年Mugil cephalus（（鱼）生态学的可行性。通过实验室研究，我们定量了相对于替代标签方法（眶后脂肪组织中可见植入弹性体（VIE）标签）的PIT标签保留率。接下来，我们对2014年8月上旬至中旬在低地夏威夷小溪（Waiahole小溪）中带有PIT标签的ju鱼的运动方式进行了现场研究。在​​研究的实验室部分，共有30个人（5-7厘米长的叉子）被随机分配到三种治疗中：PIT，VIE和对照（无标签），并保持48天。 PIT标签鱼的标签保留率为100％，VIE标签鱼的标签保留为0％。在现场研究中，从Waiahole Stream收集的19个个体（14.6-18.7 cm叉长）上植入了PIT标签，并使用固定装置推断出有标签的个体在河流与其河口/ Kane'ohe湾之间的运动。 PIT天线阵列持续7天。在此期间，天线阵列记录了来自5个人的189次检测（白天为97％，未检测到一次），共计27次访问。到河口的行程长度在45分钟到22小时之间，较长的突袭（> = 10 hr）主要发生在晚上，而较短的突袭（<10 hr）则贯穿白天。我们的结果表明，PIT标签是研究河流中单个头颅分枝杆菌生态学的一种可行且有效的标记技术，这为使用该方法研究其生态学其他方面的未来研究铺平了道路。

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