A 147‐ha pinyon‐juniper watershed in north‐central Arizona was sprayed with a herbicide mixture to kill all overstory vegetation. After 8 years of postherbicide evaluation, the dead trees were removed. The herbicide treatment induced an increase in annual streamflow of about 157%. There is an indication that after the dead trees were removed, streamflow was reduced to near‐pretreatment levels.
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Malchus B. Baker (1984) studied this question.
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