Tag Archives | trees


Carbon Sink Sunk

Results from a decade-long experiment into how much carbon dioxide (CO2) pine trees can soak up show that the trees need plentiful water and large scale fertilization to act as efficient carbon-sinks. Scientists from Duke University involved in the Free Air Carbon Enrichment (FACE) experiment told attendees at the Ecological Society of America conference that […]

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Oxygen Increase Behind Rise Of Mammals

Researchers measuring levels of carbon 13 – a byproduct of photosynthesis – in deep-sea core samples going back 205 million years have identified a sharp rise in oxygen levels about 50 million years ago. The increase in oxygen levels gave mammals the evolutionary boost they needed to dominate the planet, says researcher Paul Falkowski, from […]

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