Piperidine alkaloid content of Picea (spruce) and Pinus (pine)

Air Pollution and Forest Decline in a Spruce ( <i>Picea abies</i> ) Forest

Ernst‐Detlef Schulze · Science · 1989 · 794 citations

Agriculture, Environmental Sciences, Soil Sciences +17

Natural Vegetation as a Source or Sink for Atmospheric Ammonia: A Case Study

A. O. Langford, F. C. Fehsenfeld · Science · 1992 · 160 citations

Natural Sciences, Ecology, Environmental Sciences +17

Toxic piperidine alkaloids from pine (Pinus) and spruce (Picea) trees. New structures and a biosynthetic hypothesis

Jeanne N. Tawara, Andrei V. Blokhin, Tommaso A. Foderaro et al. · The Journal of Organic Chemistry · 1993 · 84 citations

Life Sciences, Botany, Plant Sciences +16

Incorporation of atmospheric 15NO2-nitrogen into free amino acids by Norway spruce Picea abies (L.) Karst.

S. Nussbaum, Peter von Ballmoos, Hans Gfeller et al. · Oecologia · 1993 · 66 citations · Full text

Agriculture, Plant Biology, Plant Sciences +16

Enhancement of nitrogen deposition to forest trees exposed to SO2

Andrew McLeod, Mike Holland, Peter J. Shaw et al. · Nature · 1990 · 65 citations

Natural Resources, Environmental Sciences, Forestry +12