Reply to Howarth and Paerl: Is control of both nitrogen and phosphorus necessary?
Author(s) -
D. W. Schindler,
Robert E. Hecky
Publication year - 2008
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.0809744105
Subject(s) - phosphorus , nitrogen , control (management) , environmental science , chemistry , computer science , artificial intelligence , organic chemistry
As we stated in our paper (1), extrapolation of our results to estuaries should be done with caution. In response to Howarth and Paerl (2) we believe that the many similarities between responses of freshwater and estuarine systems that we discuss should not be totally ignored. Controlling nitrogen is a costly process, and we should expect conclusive evidence that it is effective. Salinity per se does not limit nitrogen fixation. It, and nitrogen-fixing Cyanobacteria such as Nodularia are common in …
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