Hanqin Tian
A scientist who studies ecological systems, especially
ecosystems.
This scientist uses an understanding of relationships to construct models illustrating those relationships. Models are simple versions of more complex things. Some examples are model cars or airplanes. Models can also be built with mathematics, words, and maps.
Non Forest Service
My favorite science experience is discovering how ecosystems work. I study how energy is transferred from the Sun to producers and then to consumers. I am also interested in how the carbon cycle interacts with other cycles, and how ecosystems develop over time and space. In the photo, I am showing that grasses in my backyard produce three to four times more root biomass than aboveground biomass. Grass roots, therefore, keep carbon on earth, which may help slow climate warming.
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