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2014职称英语《理工C》答案:完型填空 代码31

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  Citizen Scientists

  Understanding how nature responds to climate change will require monitoring key life cycle1 events — flowering, the appearance of leaves, the first frog calls of the spring — all around the world. But ecologists can't be everywhere so they're turning to non-scientists, sometimescalledcitizen scientists, for help.

  Climate scientists are not present everywhere. Because there are so many places in the world and not enough scientists to observe all of them, they'reasking foryour help inobservingsigns of climate change across the world. The citizen scientist movement encouragesordinarypeople to observe a very specific research interest — birds, trees, flowers budding, etc. — andsendtheir observations to a giant database to be observed by professional scientists. This helps a small number of scientists track alargeamount of data that they would never be able to gather on their own. Much like citizen journalists helping large publications cover a hyper-local beat2, citizen scientists are ready for theconditionswhere they live.Allthat's needed to become one is a few minutes each day or each week to gather data and send it3 in.

  A group of scientists and educators launched an organization last year called the National Phenology4Network. “Phenology” is what scientists call the study of the timing of events in nature.

  One of the group's first efforts relies on scientists and non-scientistsaliketo collectdataabout plant flowering and leafing every year. The program, called Project Bud Burst, collects life cycle data on a variety of common plants from across the United States. People participating in the project — which isopento everyone — record their observations on the Project Bud Burst website.

  “People don'thaveto be plant experts — they just have to look around and see what's in their neighborhood,” says Jennifer Schwartz, an education consultant with the project. “As we collect this data, we'll be able to make an estimate of how plants and communities5 of plants and animals will respond as the climate changes.”

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