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The correspondence between water temperature and coiling direction inBulimina

机译:水温与卷取方向的对应关系

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The influence of temperature on the direction of coiling in the benthic foraminiferaBulimina marginatad'Orbigny andB. aculeatad'Orbigny is investigated by direct comparison of specimens and temperature data measured at or near the sites of collection. Nine samples from the Gulf of Mexico and 16 samples from the Gulf of Maine south to New Jersey are used. These areas include cold temperate and subtropical regions, the continental shelf, slope, and a semirestricted gulf. Complicating factors of life cycle stage and possible ontogenetic change are eliminated. Dextrality is strongly associated with warm temperatures, but cold temperatures do not produce predominantly sinistrally coiled individuals. This is the first demonstration of an unambiguous correlation between temperature and coiling direction in benthic foraminifera.
机译:温度对底栖有孔虫卷曲方向的影响Bulimina marginatad'Orbigny andB.通过直接比较标本和在采集地点或附近测量的温度数据来研究 aculeatad'Orbigny。使用了来自墨西哥湾的 9 个样本和从缅因湾以南到新泽西的 16 个样本。这些地区包括寒温带和亚热带地区、大陆架、斜坡和半限制性海湾。排除了生命周期阶段和可能的个体发育变化的复杂因素。外聚物与温暖的温度密切相关,但寒冷的温度不会产生主要的正弦盘绕个体。这是底栖有孔虫温度和盘绕方向之间明确相关性的首次证明。

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