C. Johannisson

发表

Recovery of ectomycorrhiza after 'nitrogen saturation' of a conifer forest.

P. Högberg, M. Högberg, D. Myrold, 2011, The New phytologist.

Studies of 13C in the foliage reveal interactions between nutrients and water in forest fertilization experiments

P. Högberg, C. Johannisson, J. Hällgren, 1993, Plant and Soil.

Is the high 15N natural abundance of trees in N-loaded forests caused by an internal ecosystem N isotope redistribution or a change in the ecosystem N isotope mass balance?

P. Högberg, M. Högberg, C. Johannisson, 2014, Biogeochemistry.

Shoot nitrate reductase activities of field‐layer species in different forest types: I. Preliminary surveys in Northern Sweden

L. Högbom, P. Högberg, C. Johannisson, 1990 .

15N abundance of surface soils, roots and mycorrhizas in profiles of European forest soils

L. Högbom, P. Högberg, M. Högberg, 1996, Oecologia.

15N Abundance of forests is correlated with losses of nitrogen

P. Högberg, C. Johannisson, 1993, Plant and Soil.

15N abundance of soils and plants along an experimentally induced forest nitrogen supply gradient

P. Högberg, C. Johannisson, 1994, Oecologia.

Responses of a Nitrogen‐Saturated Forest to a Sharp Decrease in Nitrogen Input

L. Högbom, P. Högberg, T. Näsholm, 1999 .

Ion leakage after liming or acidifying fertilization of Swedish forests — a study of lysimeters with and without active tree roots

P. Högberg, C. Johannisson, Y. Lundell, 2001 .

Retention of Nitrogen by a Nitrogen‐Loaded Scotch Pine Forest

P. Högberg, D. Myrold, C. Johannisson, 1999 .

Variation in the δ13C of foliage of Pinus sylvestris L. in relation to climate and additions of nitrogen: analysis of a 32‐year chronology

H. Grip, P. Högberg, A. Granström, 2007 .

15N Abundance of forests is correlated with losses of nitrogen

P. Högberg, C. Johannisson, 2004, Plant and Soil.