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.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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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:
80.0-
Deforested
60.0
40.0-
20.0
Completion of
tree cutting
4.0
3.0
Control
2.0
1.0-
1965
1966
1967
1968
The control watershed lost more nitrate than the deforested watershed.
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.
Nitrate concentration in runoff
(1/Bw)
Transcribed Image Text: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: 80.0- Deforested 60.0 40.0- 20.0 Completion of tree cutting 4.0 3.0 Control 2.0 1.0- 1965 1966 1967 1968 The control watershed lost more nitrate than the deforested watershed. 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. Nitrate concentration in runoff (1/Bw)
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