environmental science research for everyone
As carbon dioxide levels rise, a lot of changes are happening to the planet. But questions remain about what will happen to how quickly our forests are growing. To find out about what will happen in the future, scientists look to tree rings from the past.
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Have you ever wondered how scientists model climate? Climate models are broad scale mathematical representations of atmospheric, oceanic, and land surface processes. Organisms, specifically plants, play an important role in how water, carbon dioxide, and solar energy is used and transformed. In fact, land plants are responsible for taking out an estimated 450 billion tonnes of carbon dioxide from the atmosphere per year much of which is quickly returned to the atmosphere through respiration and decay. That number gives you an idea of just how important it is to understand plant physiology in order to be able to predict future atmospheric carbon dioxide concentrations and thus future climate. A recent article in Nature explores how misrepresenting tree water use strategies may throw off climate models.
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if you’re a tree trying to avoid being eaten by insects, it matters who you’ve got next to you: is it your own species, or another one? Often you’re better off with another species as a neighbor, but a new study shows that climate change can turn this upside down.
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