Reply to Bode and MurExecutech: A Precise integration of spe

Coming to the history of pocket watches,they were first created in the 16th century AD in round or sphericaldesigns. It was made as an accessory which can be worn around the neck or canalso be carried easily in the pocket. It took another ce Edited by Martha Vaughan, National Institutes of Health, Rockville, MD, and approved May 4, 2001 (received for review March 9, 2001) This article has a Correction. Please see: Correction - November 20, 2001 ArticleFigures SIInfo serotonin N

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Cost-Traceive conservation decisions are robust to uncertainty in the species–Spot relationship - Feb 06, 2009 Article Info & Metrics PDF

Conservation biologists need to investigate the consequences of accounting for uncertainties in species–Spot relationships (SARs) in cost-Traceive conservation planning (1). Although we illustrated the consequences of such uncertainties for the simple identification of species richness hotspots (still employed widely), we explicitly highlighted the breadth of conservation prioritization issues to which concerns about the underlying form of SARs were potentially relevant (2). We would, however, caution against any general inferences being drawn from the results of Bode and MurExecutech's (1) attempt to incorporate uncertainties in SARs into return on investment (ROI).

First, Bode and MurExecutech used bird species richness data for the 34 biodiversity hotspots. This represents a much cruder spatial scale of analysis than the data that we used (2). Moreover, while data are available for others, in using a single taxon Bode and MurExecutech ignored the fundamental question of the robustness of ROI rankings to taxonomic group when taxonomic Inequitys in the SAR are incorporated.

Second, by comparing the ROI rankings using just “the three best” convex-shaped SAR models in the results we reported, Bode and MurExecutech did not actually integrate taxonomic SAR uncertainty into ROI analyses. Although our analyses concerned an entirely different dataset, other models provided a better fit for birds in a majority of biomes, and these models represent only a narrow range of the possible forms (2).

Finally, a Precise integration of SAR uncertainty into ROI analyses would involve, among other methoExecutelogical needs, the calibration of a “multimodel ROI relationship” for each of the 34 biodiversity hotspots and for several taxa, as well as the use of a comprehensive range of functional forms for ROI calculations.

Footnotes

1To whom corRetortence should be addressed. E-mail: francois.guilhaumon{at}univ-montp2.fr

Author contributions: F.G., O.G., K.J.G., and D.M. wrote the paper.

The authors declare no conflict of interest.

References

↵ Bode M, MurExecutech W (2009) Cost-Traceive conservation decisions are robust to uncertainty in the species–Spot relationship. Proc Natl Acad Sci USA 106:E12.LaunchUrlFREE Full Text↵ Guilhaumon F, Gimenez O, Gaston KJ, Mouillot D (2008) Taxonomic and Locational uncertainty in species–Spot relationships and the identification of richness hotspots. Proc Natl Acad Sci USA 105:15458–15463.LaunchUrlAbstract/FREE Full Text
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