微生境,宏观差异:维多利亚地陆地和淡水环境温度记录调查

IF 1.8 4区 地球科学 Q3 ENVIRONMENTAL SCIENCES
Claudio Cucini, F. Nardi, Letizia Magnoni, L. Rebecchi, R. Guidetti, P. Convey, A. Carapelli
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引用次数: 2

摘要

微型无脊椎动物在极端环境(如南极洲)中所经历的温度是研究这些动物生态和生理的关键参数。然而,目前,对南极微生境物理条件的详细认识有限,并且偏向于亚南极和海洋南极地区。为了更好地了解原生微动物在南极洲大陆微栖息地所经历的温度条件,我们在维多利亚陆地海岸的一个地区记录了池塘和土壤的全年温度,并将这些测量结果与最近的自动气象站的气温数据进行了比较。我们确定了空气、土壤和池塘数据集之间温度动态的重要差异。池塘是最温暖的地点,与空气温度相比,由于它们更大的热容量,差异高达7.5°C,这也驱动了它们的冻融循环模式和平均每日热偏移。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Microhabitats, macro-differences: a survey of temperature records in Victoria Land terrestrial and freshwater environments
Abstract The temperature experienced by micro-invertebrates in extreme environments (such as those of Antarctica) is a pivotal parameter regarding these animals' ecology and physiology. However, at present, detailed knowledge of microhabitat physical conditions in Antarctica is limited, as well as being biased towards sub-Antarctic and Maritime Antarctic regions. To better understand the temperature conditions experienced in the microhabitats of Continental Antarctica by the native microfauna, we recorded temperatures year round in ponds and soils in an area of the Victoria Land coast and compared these measurements with air temperature data from the closest automatic weather station. We identified an important difference in temperature dynamics between the air, soil and pond datasets. Ponds were the warmest sites overall, differing by up to 7.5°C in comparison with the air temperature due to their greater thermal capacity, which also drove their patterns of freeze-thaw cycles and mean daily thermal excursion.
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来源期刊
Antarctic Science
Antarctic Science 地学-地球科学综合
CiteScore
3.60
自引率
6.20%
发文量
42
审稿时长
3 months
期刊介绍: Antarctic Science provides a truly international forum for the broad spread of studies that increasingly characterise scientific research in the Antarctic. Whilst emphasising interdisciplinary work, the journal publishes papers from environmental management to biodiversity, from volcanoes to icebergs, and from oceanography to the upper atmosphere. No other journal covers such a wide range of Antarctic scientific studies. The journal attracts papers from all countries currently undertaking Antarctic research. It publishes both review and data papers with no limits on length, two-page short notes on technical developments and recent discoveries, and book reviews. These, together with an editorial discussing broader aspects of science, provide a rich and varied mixture of items to interest researchers in all areas of science. There are no page charges, or charges for colour, to authors publishing in the Journal. One issue each year is normally devoted to a specific theme or papers from a major meeting.
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