SC 8-13

FROM: http://content.usatoday.net/dist/custom/gci/InsidePage.aspx?cId=montgomeryadvertiser&sParam=38029640.story
下半段

The monarch population is typically measured by the number of acres of pine trees the butterflies fill. This year, scientists found the smallest area of monarchs overwintering in the 16 years they have been looking — down to 4.7 acres from an average of 18.3 acres, Taylor says.

.....

Monarchs are beautiful, but creating habitats where they can thrive also benefits humans, Taylor says. Those habitats also "protect other insects, the little guys whose life's work is to pollinate our nuts, our fruits and our vegetables."