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  • PDF Preview of Inquiry 4 from World's Forests 2
    In recent years, the amount of carbon dioxide in the atmosphere has been rising. Scientists believe that higher levels of…
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    Inquiry 4: What Do the World’s Forests Have To Do With Climate Change?

  • The cover of "It's a Gas: The Exchange of Gases Between the Soil and the Atmosphere" featuring a black and white drawing of a person looking at a cow through a magnifying glass.
    Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
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    It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere

  • The cover of "It's a Gas: The Exchange of Gases Between the Soil and the Atmosphere" featuring a black and white drawing of a person looking at a cow through a magnifying glass.
    Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
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    It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere (Spanish)

  • A black and white drawing of three piles of leaves; each holding a sign. One says "Grade A", one says "Choice", and one says "Economy".
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil

  • Graphic from Leaf Me ALone! article featuring worms holding up picket signs
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil (Spanish)

  • PDF preview of SPLAT article
    Mountain pine beetles are a natural part of the environment in forests of the Western United States. However, because of…
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    SPLAT! Protecting Pine Trees in the Western United States from Beetle Attack

  • PDF preview of "Standing on the Shoulders of Giants" article
    To ensure that big-leaf mahogany harvesting is sustainable, scientists and land managers must know the conditions in which mahogany grows.…
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    Standing On the Shoulders of Giants: How Well Do Big-Leaf Mahogany Trees Grow in Different Conditions?

  • The cover of "The GLAS Is Half Full" featuring an illustration of a Landsat satellite.
    The scientists wanted to know if the information gathered by satellites was as good as the information they would get…
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    The GLAS Is Half Full: Satellites and Changing Tropical Forests

  • The Plot Thickens - How Native Trees Responded to the Removal of an Unwanted Tree Species in Forest Study Plots. The background is an image of a Tamaligi Forest.
    The scientists in this study were interested in two questions: (1) How are tamaligi trees impacting the native forests in…
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    The Plot Thickens – How Native Trees Responded to the Removal of an Unwanted Tree Species in Forest Study Plots

  • The cover for the 'Tropic Topic' article. The main image is a photo of exposed limestone karst pavement.
    The scientists in this study wanted to compare the chemistry of soils and leaves in Puerto Rico’s northern wet and…
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    Tropic Topic: What Is Known About the Limestone Zone?

  • The cover for the 'Welcome to McMangrove's' article. The main image is a photo of a mangrove forest.
    Scientists investigated how typhoons impacted the importance of microorganisms in sesarmid crab diets. The scientists also wanted to discover whether…
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    Welcome to McMangrove’s – Determining the Importance of Mangrove Leaves in a Tree Crab’s Diet

  • Illustration of hemlock branches with cones
    Water is constantly moving throughout the natural environment. Some scientists study the flow of water into, out of, and held…
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    Woolly Bully: Estimating the Effect of an Invasive Insect on an Area’s Water Cycle