体型较大的鱼热传导速度较慢:体型如何影响小型植入式温度记录标签的响应时间?

IF 1.6 3区 农林科学 Q3 FISHERIES
Matthew J. O'Donnell, Amy M. Regish, Stephen D. McCormick, Benjamin H. Letcher
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引用次数: 0

摘要

最近,植入式温度记录标签的微型化使测量鱼类在野外所经历的水温成为可能,但植入式标签对外界温度变化的反应时间可能会因鱼体大小而延迟。为了确定鱼体大小是否会影响植入式温度标签的反应速度,我们在实验室中为 20 尾囟鱼(叉长 127-228 毫米,重 15.1-120.4 克)植入了温度记录标签,并让它们经受快速的温度变化(±8°C,不到 2 秒)。我们发现,热传导率和温度标签响应速度的滞后与鱼体大小呈正相关,但温度变化的方向(更冷或更热)没有显著影响。在温度变化速度较慢的情况下(2°C h-1),植入的温度标签不会出现反应滞后。了解这项重要技术的局限性对于确定其产生的数据的实用性及其准确测量野生鱼类热体验的能力至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermal transfer rate is slower in bigger fish: How does body size affect response time of small, implantable temperature recording tags?

The recent miniaturisation of implantable temperature recording tags has made measuring the water temperatures fish experience in the wild possible, but there may be a body size-dependent delay in implanted tag response time to changes in external temperature. To determine whether fish body size affects the response rate of implanted temperature tags, we implanted 20 Salvelinus fontinalis (127–228 mm fork length (FL), 15.1–120.4 g) with temperature recording tags and subjected them to rapid temperature changes (±8°C in less than 2 seconds) in the laboratory. We found that thermal transfer rates, and the lag in temperature tag response rate, was positively correlated with fish size, but the direction of temperature change (colder or warmer) had no significant effect. In fish exposed to a slower rate of temperature change (2°C h−1) implanted tags did not show a response lag. Understanding the limitations of this important technology is crucial to determining the utility of the data it produces and its ability to accurately measure fish thermal experience in the wild.

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来源期刊
Ecology of Freshwater Fish
Ecology of Freshwater Fish 农林科学-海洋与淡水生物学
CiteScore
4.10
自引率
0.00%
发文量
45
审稿时长
12-24 weeks
期刊介绍: Ecology of Freshwater Fish publishes original contributions on all aspects of fish ecology in freshwater environments, including lakes, reservoirs, rivers, and streams. Manuscripts involving ecologically-oriented studies of behavior, conservation, development, genetics, life history, physiology, and host-parasite interactions are welcomed. Studies involving population ecology and community ecology are also of interest, as are evolutionary approaches including studies of population biology, evolutionary ecology, behavioral ecology, and historical ecology. Papers addressing the life stages of anadromous and catadromous species in estuaries and inshore coastal zones are considered if they contribute to the general understanding of freshwater fish ecology. Theoretical and modeling studies are suitable if they generate testable hypotheses, as are those with implications for fisheries. Manuscripts presenting analyses of published data are considered if they produce novel conclusions or syntheses. The journal publishes articles, fresh perspectives, and reviews and, occasionally, the proceedings of conferences and symposia.
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