Dry season — wet season volume change of Echinopsis atacamensis ssp. atacamensis (Cactaceae) as proxy for the amount of utilizable water of a stem succulent plant

IF 1.2 4区生物学 Q3 PLANT SCIENCES

Bradleya Pub Date : 2020-06-26 DOI:10.25223/brad.n38.2020.a8

U. Eggli, Mario Giorgetta

引用次数: 2

Abstract

Summary: Echinopsis atacamensis ssp. atacamensis is a columnar cactus from the western slopes of the high Andes of northern Chile. As for other species of the family, water is primarily stored in the succulent cortex of the stems. Repeat observations during the years 2016–2018 include an extremely long dry period and an extremely wet summer showed that the fraction of utilizable water (UW) in the stem is at least 53% of the maximum storage capacity. The observation of longitudinal ruptures in the rib furrows questions the usefulness of saturated water content (SWC) as a measure of water storage capacity.

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高山棘皮动物旱季-雨季体积变化。atacamensis（仙人掌科）作为茎肉质植物可利用水量的代表

综述：atacamensis棘皮病。atacamensis是一种柱状仙人掌，产于智利北部安第斯山脉的西坡。至于该科的其他物种，水主要储存在茎的肉质皮层中。2016年至2018年的重复观测包括一段非常长的干旱期和一个非常潮湿的夏季，表明茎中可利用水（UW）的比例至少为最大蓄水量的53%。肋沟纵向破裂的观察结果对饱和含水量（SWC）作为储水能力衡量指标的有用性提出了质疑。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bradleya PLANT SCIENCES-

CiteScore

2.80

自引率

25.00%

发文量

审稿时长

>12 weeks

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