Erratum to: Variation in nitrogen-15 natural abundance and nitrogen uptake traits among co-occurring alpine species: do species partition by nitrogen form?
1 Mountain Research Station, Institute of Arctic and Alpine Research, and Department of Environmental, Population and Organismic Biology, University of Colorado, Boulder, Colorado, 80309-0334, USA. [email protected].
2 Mountain Research Station, Institute of Arctic and Alpine Research, and Department of Environmental, Population and Organismic Biology, University of Colorado, Boulder, Colorado, 80309-0334, USA.