Amazon forests conjure visions of lush canopies, not giant branches crashing to the ground. But according to a recent study, published in Environmental Research Letters, dead branches frequently fall from the tops of trees in the Amazon, releasing a startling amount of carbon dioxide into the atmosphere.
Multiple rock-derived nutrients now mappable at tree crown resolutions using CAO imaging spectroscopy
Source: Remote Sensing
THE VIEW OUT THE WINDOW WAS BAD ENOUGH. As his research plane flew over groves of California’s giant sequoias, some of the world’s tallest trees, Greg Asner could see the toll the state’s four-year drought had taken. “It looked wicked dry down there,” he said. But when he turned from the window to the video display in his flying lab, the view was even more alarming. In places, the forest was bright red. “It was showing shocking levels of stress,” he said.