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From VOA Learning English, |
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this is the Agriculture Report. |
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A decline in the number of honeybees |
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is a growing problem worldwide. |
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The decreasing bee population could contribute |
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to an increase in prices for crops |
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that depend on pollination by honeybees. |
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Researchers continue to study the decline |
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while beekeepers like Terrence Ingram |
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struggle to keep their bee colonies alive. |
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He says he loves being at the center of a swarm of bees. |
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"I love beekeeping. It's one of God's greatest miracles." |
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He has raised honeybees since 1954 in managed colonies |
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behind his house in rural Apple River, Illinois. |
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"We had 250 hives at one time. |
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We sold five, six tons of honey a year." |
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But that number is declining. |
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"Now we’re down to about probably four tons." |
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Not because the 73 year-old beekeeper is slowing down, |
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but because there are fewer bees producing honey. |
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He says the decline in his bee population began in 1996. |
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he blames that decline on the use of insecticides |
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and herbicides on the farmland surrounding his property. |
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"Every three weeks that summer, |
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they were spraying with the airplane, |
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and by the end of the year, |
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I didn't have any of my 250 hives left." |
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This caught the attention of researchers like Christian Krupke, |
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a professor at Purdue University who studies bees and other insects. |
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"There have been similar reports from Europe in the past, |
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and so we looked into it a little bit further |
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from the point of view of wondering |
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first of all what is killing these bees, |
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and second of all how are these bees acquiring |
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whatever this toxic chemical is." |
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Experts say there are many reasons for the worldwide bee decline, |
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not just insecticides. |
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But in this case, Proffessor Krupke and his colleagues |
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thought insecticides might be the cause. |
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So they studied the insecticides |
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- known as neonicotinoids - that are applied to seeds |
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as they are planted in the ground, rather than sprayed from above. |
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"The two compounds that kept coming up when we tested these dead bees |
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were the pesticides clothianidin and thiamethoxam. |
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Those are insecticides that are applied to corn seeds." |
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About 30 years ago, |
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there were 4 million managed bee colonies throughout the United States. |
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Today, there are fewer than 2 million. |
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Researchers like Professor Krupke blame that in part on the use of insecticides. |
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"Can we get by without neonicotinoids insecticides in these field crops? |
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I believe we can. I believe we have data that show that we can." |
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This December, the European Union plans |
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to ban the use of some insecticides |
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that researchers have linked to bee deaths. |
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No such restrictions are planned in the United States. |
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Illinois beekeeper Terrence Ingram says |
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some of the damage already done is permanent. |
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"We've got many bee keepers around here that have quit, |
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just gone out of business because they can't succeed." |
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But not Terrence Ingram, he says his passion for bees |
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is just as strong as it was when he tended his first colony, |
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more than 60 years ago. |
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"See one bee coming out right here, she is attend coming up." |
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And that's the Agriculture Report from VOA Learning English. |
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I'm Christopher Cruise. |