We identified a significant positive effect oftributaries on Amazon mainstem species
Chapter 0, Problem 26.50(choose chapter or problem)
We identified a significant positive effect oftributaries on Amazon mainstem species richness in two respects. First, we foundthat sample stations downstream of each tributary contained more species thandid their respective upstream stations. Do a test to confirm the statisticalsignificance of this effect and report your conclusion.
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