Technical Comments

Response to Comment on "Nature of Phosphorus Limitation in the Ultraoligotrophic Eastern Mediterranean"

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Science  23 Jun 2006:
Vol. 312, Issue 5781, pp. 1748
DOI: 10.1126/science.1126408

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With no requirement for synoptic treated (IN) and control (OUT) stations, analysis of covariance is an interesting statistical technique for testing IN-OUT differences in Lagrangian experiments, but it has inherent limitations due to its assumption of linear responses. With this limitation properly considered, we find that analysis of covariance strengthens, not weakens, experimental support for the food-web transfer mechanisms we proposed.

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