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Nature 431, 406-408 (23 September 2004) | doi:10.1038/431406a; Published online 22 September 2004
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Global change: Carbon conundrum on the tundra
Abstract
Vast amounts of carbon are locked into soils at northern high latitudes. The vexed question of how these ecosystems will respond to global warming is addressed by a long-term experiment in the Arctic.
On page 440 of this issue1, Mack and colleagues describe how they dug deep into the carbon balance of an arctic tundra ecosystem, and came up with some surprising results. Their research reveals that tundra plants and soils respond in opposing ways to long-term nutrient fertilization.
- Wendy M. Loya is in the Ecosystem Science Center, School of Forestry and Environmental Science, Michigan Technological University, Houghton, Michigan 49931, USA.
e-mail: Email: wmloya@mtu.edu - Paul Grogan is in the Department of Biology, Queen's University, Kingston, Ontario K7L 3N6, Canada.
e-mail: Email: groganp@biology.queensu.ca
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