In the Hubbard Brook experiment, researchers removed all the vegetation from a forest and measured the stream nitrogen concentration compared to a control forest where the vegetation had not been removed. They sampled water in the stream at the bottom of both watersheds and generated the results below. What would be a correct interpretation of these data for the whole watershed: Nitrate concentration in runoff (1/8) 80.0 60.0 40.0 20.0 4.0 3.0 2.0 1.0 0 Completion of tree cutting 1965 1966 Deforested Control 1967 The control watershed lost more nitrate than the deforested watershed. 1968 O The deforested watershed lost more nitrate than the control watershed. The deforested stream had higher amounts of nitrate than the control watershed and this was likely produced by the machines cutting down the forest. The deforested watershed stored more nitrate than the control watershed.
In the Hubbard Brook experiment, researchers removed all the vegetation from a forest and measured the stream nitrogen concentration compared to a control forest where the vegetation had not been removed. They sampled water in the stream at the bottom of both watersheds and generated the results below. What would be a correct interpretation of these data for the whole watershed: Nitrate concentration in runoff (1/8) 80.0 60.0 40.0 20.0 4.0 3.0 2.0 1.0 0 Completion of tree cutting 1965 1966 Deforested Control 1967 The control watershed lost more nitrate than the deforested watershed. 1968 O The deforested watershed lost more nitrate than the control watershed. The deforested stream had higher amounts of nitrate than the control watershed and this was likely produced by the machines cutting down the forest. The deforested watershed stored more nitrate than the control watershed.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter54: Ecosystems And Global Change
Section: Chapter Questions
Problem 1ITD
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