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1 .This is Scientific American 60-Second Earth. I'm Cynthia Graber. Got a minute?
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2 .Worldwide, rainforests are slashed for agriculture and logging.
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3 .When a plot of land is used up, it's often abandoned.
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4 .Which should allow the rainforest to regenerate.
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5 .But along with roads and buildings comes lighting.
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6 .And the artificial light may hamper forest regrowth.
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7 .Because fruit-eating bats that ordinarily leave behind a rich trail of seeds may decrease their feeding in lit areas.
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8 .That's according to a study in the Journal of Applied Ecology.
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9 .Researchers looked at captive bats, able to feed from a dark compartment or one dimly lit.
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10 .And the bats took twice as much food from the dark space as from the lit one.
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11 .The researchers also monitored wild bats that fed on fourteen plants ripe with fruit.
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12 .Each plant could be kept in darkness or illuminated by a street light.
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13 .Bats harvested fruit from the dark plants quickly and thoroughly.
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14 .But their take was delayed and decreased on the lit plants.
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15 .The researchers conclude that light could interfere with the activities of seed-dispersing bats and thus stall rainforest regeneration.
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16 .They recommend that artificial outdoor light in deforested tropical areas be restricted.
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17 .So that bats will eat and let the seeds fall where they may.
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18 .Thanks for the minute, for Scientific American 60-Second Earth. I'm Cynthia Graber.
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