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Marine Biology

, Volume 139, Issue 4, pp 681–685 | Cite as

The relationship between dissolved oxygen concentration and maximum size in deep-sea turrid gastropods: an application of quantile regression

  •  C. McClain
  •  M. Rex

Abstract.

Bathymetric gradients in body size are the most well-known patterns of geographic variation in deep-sea organisms. The causes of size–depth relationships remain uncertain, but most have been attributed to rates of nutrient input. Chapelle and Peck (1999, Nature 399:114–115) recently hypothesized that body size in marine invertebrates is a function of dissolved oxygen concentration. We tested this hypothesis by using quantile regression techniques to assess the relationship of dissolved oxygen levels to maximum size in deep-sea turrid gastropods collected from the North Atlantic. Relationships were examined for a group of nine turrid species and within the abundant lower bathyal species Benthomangelia antonia (Dall, 1881). We controlled the analysis for depth because size in deep-sea gastropods varies bathymetrically. When the effects of depth are accounted for statistically, maximum size in B. antonia increases with increasing levels of dissolved oxygen. In turrids as a group, both depth and oxygen appear to explain significant proportions of the variance in maximum size. These findings suggest that a suite of factors, including dissolved oxygen concentration, may influence maximum size in deep-sea organisms.

Keywords

Oxygen Dissolve Oxygen Body Size Significant Proportion Maximum Size 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2001

Authors and Affiliations

  •  C. McClain
    • 1
  •  M. Rex
    • 1
  1. 1.Department of Biology, University of Massachusetts, Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA

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