Morphological variations of benthic foraminiferal tests in response to changes in ecological parameters: a review

有孔虫 底栖区 碳酸盐 盐度 暗礁 基质(水族馆) 海洋学 地质学 生态学 温盐度图 古生物学 环境科学 生物 化学 有机化学
作者
Esteban Boltovskoy,David B. Scott,Franco S. Medioli
出处
期刊:Journal of Paleontology [Cambridge University Press]
卷期号:65 (2): 175-185 被引量:251
标识
DOI:10.1017/s0022336000020394
摘要

Some of the relatively recent literature correlating morphological variation in benthic foraminifera with environmental parameters such as temperature, salinity, carbonate solubility, depth, nutrition, substrate, dissolved oxygen, illumination, pollution, water motion, trace elements, and rapid environmental fluctuation is reviewed. It appears some variables (most notably depth) are recorded more frequently, which may affect some conclusions. Although each variable is treated separately, it appears that almost no variables act independently on test morphologies. In reviewing the literature, it becomes clear that there are many individual trends, especially with shell ornamentation, but few broad ones, and that it is almost impossible, with exception of some of the larger reef-dwelling, symbiont-bearing foraminifera, to predict how any species will react to various parameters. The broad trends concern thinning or thickening of carbonate tests with changing carbonate availability, temperature, and salinity. It appears that many observations of morphological changes within species may not be recorded in the literature, perhaps because authors did not recognize the importance of small details that would be of importance at a later time.
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