Comment on “The complex effects of ocean acidification on the prominent N 2 -fixing cyanobacterium Trichodesmium ” | Zendy

David A. Hutchins | Zendy; FeiXue Fu | Zendy; Nathan G. Walworth | Zendy; Michael Lee | Zendy; Mak A. Saito | Zendy; Eric A. Webb | Zendy

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Comment on “The complex effects of ocean acidification on the prominent N ₂ -fixing cyanobacterium Trichodesmium ”

Author(s) -

David A. Hutchins,

FeiXue Fu,

Nathan G. Walworth,

Michael Lee,

Mak A. Saito,

Eric A. Webb

Publication year - 2017

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aao0067

Subject(s) - trichodesmium , cyanobacteria , ocean acidification , nitrogen fixation , oceanography , chemistry , diazotroph , environmental science , biology , geology , seawater , bacteria , paleontology

Hong et al (Reports, 5 May 2017, p. 527) suggested that previous studies of the biogeochemically significant marine cyanobacterium Trichodesmium showing increased growth and nitrogen fixation at projected future high CO 2 levels suffered from ammonia or copper toxicity. They reported that these rates instead decrease at high CO 2 when contamination is alleviated. We present and discuss results of multiple published studies refuting this toxicity hypothesis.

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