Phosphorus and Trace Metal Limitation of Algae and Bacteria in Lake Superior
We performed a set of nutrient-enrichment bioassay experiments using metal-clean protocols, testing for macronutrient and micronutrient limitation of algae and bacteria in western Lake Superior. Our analysis involved a novel approach to estimating the strength of nutrient limitation in factorial enr...
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| Veröffentlicht in: | Limnology and oceanography 2004-03, Vol.49 (2), p.495-507 |
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| container_title | Limnology and oceanography |
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| creator | Sterner, Robert W. Smutka, Tanya M. R. Michael L. Mc Kay Xiaoming, Qin Brown, Erik T. Sherrell, Robert M. |
| description | We performed a set of nutrient-enrichment bioassay experiments using metal-clean protocols, testing for macronutrient and micronutrient limitation of algae and bacteria in western Lake Superior. Our analysis involved a novel approach to estimating the strength of nutrient limitation in factorial enrichment designs. We found that phytoplankton and bacterioplankton growth both increased with added phosphorus alone but not with iron, manganese, or zinc alone. However, even very small increases in growth rates following P supplementation (on the order of an additional 0.1 d-1) induced iron limitation in the phytoplankton, indicating that the algae in this large lake may be on the cusp of micronutrient and macronutrient limitation. In contrast, and contrary to expectations, bacteria responded only to P and not to metals. Spatial and temporal variability in degree and quality of nutrient limitation was considerable. |
| doi_str_mv | 10.4319/lo.2004.49.2.0495 |
| format | Article |
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Michael L. Mc Kay</creatorcontrib><creatorcontrib>Xiaoming, Qin</creatorcontrib><creatorcontrib>Brown, Erik T.</creatorcontrib><creatorcontrib>Sherrell, Robert M.</creatorcontrib><title>Phosphorus and Trace Metal Limitation of Algae and Bacteria in Lake Superior</title><title>Limnology and oceanography</title><description>We performed a set of nutrient-enrichment bioassay experiments using metal-clean protocols, testing for macronutrient and micronutrient limitation of algae and bacteria in western Lake Superior. Our analysis involved a novel approach to estimating the strength of nutrient limitation in factorial enrichment designs. We found that phytoplankton and bacterioplankton growth both increased with added phosphorus alone but not with iron, manganese, or zinc alone. However, even very small increases in growth rates following P supplementation (on the order of an additional 0.1 d-1) induced iron limitation in the phytoplankton, indicating that the algae in this large lake may be on the cusp of micronutrient and macronutrient limitation. In contrast, and contrary to expectations, bacteria responded only to P and not to metals. Spatial and temporal variability in degree and quality of nutrient limitation was considerable.</description><subject>Algae</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Bacteria</subject><subject>Biological and medical sciences</subject><subject>Bottles</subject><subject>Chlorophylls</subject><subject>Fresh water</subject><subject>Fresh water ecosystems</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Iron</subject><subject>Lakes</subject><subject>Oceans</subject><subject>Phosphorus</subject><subject>Phytoplankton</subject><subject>Synecology</subject><issn>0024-3590</issn><issn>1939-5590</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqFkUtPAyEUhYnRxPr4ASYu2OhuRmBggIULNb6S8ZFY1-SWoYrSocI0xn_v1Da69G64l3znXHJA6ICSkldUn4RYMkJ4yXXJSsK12EAjqitdCKHJJhoRwnhRDf022sn5jRCihRAj1Dy-xjx_jWmRMXQtHiewDt-5HgJu_Mz30PvY4TjFZ-EF3A9zDrZ3yQP2HW7g3eGnxXyYY9pDW1MI2e2vz130fHU5vrgpmofr24uzprCcC1FYUJQzbaVkQxHpaidp7bSYUCCtrFqpmLJtrVomJG2dVhNOWl0TEIoKC9UuOl75zlP8WLjcm5nP1oUAnYuLbKgiXGnJB5CuQJtizslNzTz5GaQvQ4lZ5mZCNMvcDNeGmWVug-ZobQ7ZQpgm6KzPf0IxPKKWauBOV9ynD-7rf2PT3D8sb7hm6z2HK_1b7mP61Q9_JJXQ1TfdLIeX</recordid><startdate>200403</startdate><enddate>200403</enddate><creator>Sterner, Robert W.</creator><creator>Smutka, Tanya M.</creator><creator>R. Michael L. 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Mc Kay ; Xiaoming, Qin ; Brown, Erik T. ; Sherrell, Robert M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4455-ca81429c77222207e6e716e95b1a0d73d7828cd68d2571de98b40d960a5815ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Algae</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Bacteria</topic><topic>Biological and medical sciences</topic><topic>Bottles</topic><topic>Chlorophylls</topic><topic>Fresh water</topic><topic>Fresh water ecosystems</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. 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| ispartof | Limnology and oceanography, 2004-03, Vol.49 (2), p.495-507 |
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| source | JSTOR Archive Collection A-Z Listing; Wiley Free Content; EZB-FREE-00999 freely available EZB journals; Wiley Online Library All Journals; Alma/SFX Local Collection |
| subjects | Algae Animal and plant ecology Animal, plant and microbial ecology Bacteria Biological and medical sciences Bottles Chlorophylls Fresh water Fresh water ecosystems Freshwater Fundamental and applied biological sciences. Psychology Iron Lakes Oceans Phosphorus Phytoplankton Synecology |
| title | Phosphorus and Trace Metal Limitation of Algae and Bacteria in Lake Superior |
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