Nancy Collins Johnson
BS in Biology, University of Minnesota, 1980
MS in Botany, University of Wisconsin, 1985
PhD in Ecology, Evolution and Behavior, University of Minnesota, 1991
Office: Physical Sciences (bldg #19), room 124
Personal Web Site
Soil Ecology Lab
symbioses among soil organisms fascinate me. I study arbuscular mycorrhizas,
which are fungal symbioses with most terrestrial plants. Mycorrhizas in natural
and agricultural systems are my primary research focus. A better understanding
of the factors controlling the balance of trade between plants and mycorrhizal
fungi could lead to their management so that fertilizer inputs can be reduced.
Also, since mycorrhizal fungi are enormous (yet invisible), understanding how
to manage them may help generate an important belowground carbon sink in our
increasingly carbon dioxide enriched world.
Johnson NC, Angelard C, Sanders IR, Kiers TE. 2013. Predicting community and ecosystem outcomes of mycorrhizal
responses to global change, invited review for a special issue in Ecology Letters, in press.
Ji B, Gehring CA, WilsonGWT, MillerRM, Flores-Rentería L, Johnson NC. 2013.
Patterns of diversity and adaptation in Glomeromycota from three prairie
grasslands. Molecular Ecology, in press.
N.C., Graham, J.H. 2013. The continuum
concept remains a useful framework for studying mycorrhizal functioning. Plant
& Soil, 363:411-419.
Y., Shi G., Mao L., Cheng G., Jiang S., Ma X., An L., Du G., Johnson N.C.,
Feng H. 2012. Direct and indirect influences of eight years of nitrogen and
phosphorus fertilization on Glomeromycota in an alpine meadow ecosystem. New
A., Reich, P.B., Johnson N.C. 2011. Seven years of carbon dioxide
enrichment, nitrogen fertilization and plant diversity influence arbuscular
mycorrhizal fungi in a grassland ecosystem. New Phytologist 192:200-214.
N.C., Wilson G.W.T., Bowker M.A., Wilson J.
and Miller R.M. 2010. Resource limitation is a driver of local adaptation in
mycorrhizal symbioses. Proceedings National Academy of Science USA
2010. Tansley Review: Resource stoichiometry elucidates the structure and
function of arbuscular mycorrhizas across scales. New Phytologist
a complete list of publications and additional information, please
download NancyJohnson's CV.