Assessment of crown condition in forest trees: comparison of methods, sources of variation and observer bias

Consistency of observations of forest tree defoliation in three European countries

John L. Innes, Guy Landmann, B. Mettendorf · Environmental Monitoring and Assessment · 1993 · 74 citations

Natural Resources, Ecology, Forestry +14

Ten years of monitoring forest condition in Europe; studies on temporal development, spatial distribution and impacts of natural and anthropogenic stress factors

Christian Müller-Edzards, W. de Vries, Jan Willem Erisman · DORA WSL (Swiss Federal Institute for Forest, Snow and Landscape Research) · 1997 · 52 citations · Full text

Natural Resources, Ecology, Forestry +17

Observer Variation as a Source of Error in Assessments of Crown Condition Through Time

Sucharita Ghosh, John L. Innes, Christian Hoffmann · Forest Science · 1995 · 52 citations

Natural Resources, Forestry, Condition Assessment +14

Monitoring of forest condition in Great Britain - 1989.

John L. Innes, R. Boswell · OpenGrey (Institut de l'Information Scientifique et Technique) · 1990 · 17 citations

Natural Resources, Ecology, Forestry +14

Forest health and air pollution, 1984 survey

W. O. Binns, Bridget Redfern, Keith Rennolls et al. · OpenGrey (Institut de l'Information Scientifique et Technique) · 1985 · 13 citations

Public Health, Environmental Sciences, Forestry +9