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| Titel |
Comment on "Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams" by Hall et al. (2013) |
| VerfasserIn |
R. González-Pinzón, J. Mortensen, D. Van Horn |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1726-4170
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| Digitales Dokument |
URL |
| Erschienen |
In: Biogeosciences ; 12, no. 18 ; Nr. 12, no. 18 (2015-09-17), S.5365-5369 |
| Datensatznummer |
250118094
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| Publikation (Nr.) |
 copernicus.org/bg-12-5365-2015.pdf |
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| Zusammenfassung |
| Hall et al. (2013) presented a synthesis on 969 nutrient tracer experiments
conducted primarily in headwater streams (generally < fourth-order
streams), with discharges < 200 L s−1 for ~90 % of
the experiments, and used a scaling method to test the hypothesis that
nutrient demand is constant with increasing stream size (i.e., along a river
continuum). In this comment we present a reanalysis of a subset of the data
used by Hall et al. (2013) and propose that their correlations between
nutrient uptake lengths of ecologically important solutes and specific
discharge are inadvertently spurious. Therefore, the conclusions derived
from such correlations are debatable. We conclude the comment by highlighting
some of the uncertainties associated with using modeling frameworks for
scaling nutrient uptake in stream ecosystems. |
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