Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 28, Problem 4CHI
It is well documented that aquatic ecosystems have been negatively impacted by the influx of nitrogen from anthropogenic sources, including fertilizer and fossil fuel combustion. Although some of this N is removed by nitrification and immobilization, a better understanding of removal processes is needed for appropriate management. To that end, globally distributed lakes were analyzed and surprisingly showed that the availability of phosphorus promotes nitrogen removal. This has real-world implications, as many communities have implemented management plans to reduce phosphorus influx to natural waters. Explain how an increase in one element, phosphorus, could lead to the removal of another, nitrogen. Think about the carbon cycle. How could an increase in another element in a given ecosystem alter the loss of carbon as CO2?
Read the original paper: Finlay, J. C., et al., 2013. Human influences on nitrogen removal in lakes. Science. 342:247.
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Chapter 28 Solutions
Prescott's Microbiology
Ch. 28.1 - Prob. 1MICh. 28.1 - What microbes are capable of methanogenesis and...Ch. 28.1 - What are the products of denitrification,...Ch. 28.1 - Prob. 4MICh. 28.1 - Prob. 5MICh. 28.1 - Prob. 1.1RIACh. 28.1 - Prob. 1.2RIACh. 28.1 - Prob. 1.3RIACh. 28.1 - Prob. 1.4RIACh. 28.1 - Prob. 1.5RIA
Ch. 28.1 - Prob. 2.1RIACh. 28.1 - Prob. 2.2RIACh. 28.1 - Prob. 2.3RIACh. 28.1 - Prob. 2.4RIACh. 28.1 - Compare the products of dissimilatory sulfate...Ch. 28.1 - Prob. 3.2RIACh. 28.1 - Prob. 3.3RIACh. 28.1 - Prob. 3.4RIACh. 28.1 - Suggest how a chemolithoautotroph might link the...Ch. 28.2 - What organisms benefit from nitrification?Ch. 28.2 - List three greenhouse gases. Discuss their...Ch. 28.2 - Prob. 2RIACh. 28.2 - How do changes in the nitrogen cycle caused by...Ch. 28.2 - Prob. 4RIACh. 28 - Compare the production of N2 gas by...Ch. 28 - Prob. 2CHICh. 28 - A bacterium isolated from sewage sludge was...Ch. 28 - It is well documented that aquatic ecosystems have...
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