Results of laboratory experiment examining growth and N2-fixation of Crocosphaera watsonii under differing pCO2 levels; conducted in the Hutchins Laboratory, USC
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<p>Results of laboratory experiments examining growth and N2-fixation rate of two isolates of <em>Crocosphaera watsonii</em>, WH0401 and WH0402, in response to three levels of CO2 (190, air, and 750) at a light intensity of 155 umol quanta m-2 s-1. Isolates of <em>C. watsonii</em>, a unicellular marine N2-fixing cyanobacterium, were obtained from the western tropical Atlantic Ocean and cultured in the laboratory.</p> <p>Detailed methods and results are described in the following publication (see Figure 2):<br /> Garcia, N.S., Fu, F.X., Breene, C.L, Yu, E., Bernhardt, P.W., Mulholland, M.R., and Hutchins, D.A. (2013). Combined effects of CO2 and irradiance on the unicellular N2-fixing cyanobacterium Crocosphaera watsonii: a comparison of two isolates from the Western Tropical Atlantic Ocean. European Journal of Phycology 48: 128-139. DOI: <a href=\"http://dx.doi.org/10.1080/09670262.2013.773383\" target=\"_blank\">10.1080/09670262.2013.773383</a></p> <p>Related Datasets:<br /> <a href=\"http://osprey.bco-dmo.org/dataset.cfm?id=14360&flag=view\" target=\"_blank\">C watsonii light experiment</a><br /> <a href=\"http://osprey.bco-dmo.org/dataset.cfm?id=14363&flag=view\" target=\"_blank\">C watsonii CO2-light experiment </a></p>
本数据集为实验室实验结果，探究了两株沃森氏隐球藻（Crocosphaera watsonii）分离株WH0401与WH0402在155 μmol 量子·m⁻²·s⁻¹的光照强度下，对三种二氧化碳浓度（190、空气、750）的生长及固氮（N₂-fixation）速率响应。沃森氏隐球藻是一种海洋单细胞固氮蓝细菌，其分离株取自热带西大西洋海域，并于实验室中完成培养。 详细的实验方法与实验结果详见下述文献（见图2）： Garcia, N.S.、Fu, F.X.、Breene, C.L.、Yu, E.、Bernhardt, P.W.、Mulholland, M.R. 及 Hutchins, D.A.（2013）。二氧化碳与光照强度对单细胞固氮蓝细菌沃森氏隐球藻的联合效应：来自热带西大西洋的两株分离株比较研究。《欧洲藻类学杂志》（European Journal of Phycology）48卷：128-139。DOI: <a href="http://dx.doi.org/10.1080/09670262.2013.773383" target="_blank">10.1080/09670262.2013.773383</a> 相关数据集： <a href="http://osprey.bco-dmo.org/dataset.cfm?id=14360&flag=view" target="_blank">沃森氏隐球藻光照实验</a> <a href="http://osprey.bco-dmo.org/dataset.cfm?id=14363&flag=view" target="_blank">沃森氏隐球藻二氧化碳-光照联合实验</a>
