Perils of correlating CUSUM-transformed variables to infer ecological relationships (Breton et al. 2006; Glibert 2010)
Limnology and Oceanography
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Abstract
We comment on a nonstandard statistical treatment of time-series data first published by Breton et al. (2006) in Limnology and Oceanography and, more recently, used by Glibert (2010) in Reviews in Fisheries Science. In both papers, the authors make strong inferences about the underlying causes of population variability based on correlations between cumulative sum (CUSUM) transformations of organism abundances and environmental variables. Breton et al. (2006) reported correlations between CUSUM-transformed values of diatom biomass in Belgian coastal waters and the North Atlantic Oscillation, and between meteorological and hydrological variables. Each correlation of CUSUM-transformed variables was judged to be statistically significant. On the basis of these correlations, Breton et al. (2006) developed "the first evidence of synergy between climate and human-induced river-based nitrate inputs with respect to their effects on the magnitude of spring Phaeocystis colony blooms and their dominance over diatoms."
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Perils of correlating CUSUM-transformed variables to infer ecological relationships (Breton et al. 2006; Glibert 2010) |
| Series title | Limnology and Oceanography |
| DOI | 10.4319/lo.2012.57.2.0665 |
| Volume | 57 |
| Issue | 2 |
| Year Published | 2012 |
| Language | English |
| Publisher | Association for the Sciences of Limnology and Oceanography |
| Publisher location | Waco, TX |
| Contributing office(s) | Branch of Regional Research-Western Region |
| Description | 4 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Limnology and Oceanography |
| First page | 665 |
| Last page | 668 |
| Google Analytic Metrics | Metrics page |