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Seeing the Forest Under the Trees
Ecologists found a new effect of acid rain: Too many dead leaves on the forest floor.
Credit: NPS
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A long-term experiment continues on sugar maple forests in the northern U.S.
Credit: Sierra Patterson and Alan Talhelm
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Acid rain affects vast maple areas; it slows the process of leaf decomposition.
Credit: Sierra Patterson and Alan Talhelm
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Heavy leaf litter: Not a good sign for sugar maples; new seedlings can't get through.
Credit: NPS
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Scientists study atmospheric nitrogen deposition from acid rain and its effects on forests.
Credit: Sierra Patterson and Alan Talhelm
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A lovely stand of sugar maples, but for how long? The next generation is threatened.
Credit: Sierra Patterson and Alan Talhelm
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