• Publications
  • Influence
Nitrogen deposition in California forests: a review.
Atmospheric concentrations and deposition of the major nitrogenous (N) compounds and their biological effects in California forests are reviewed. Climatic characteristics of California are summarizedExpand
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Nitrogen critical loads and management alternatives for N-impacted ecosystems in California.
Empirical critical loads for N deposition effects and maps showing areas projected to be in exceedance of the critical load (CL) are given for seven major vegetation types in California. Thirty-fiveExpand
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Promoting the O3 flux concept for European forest trees.
Tropospheric ozone (O3) levels are predicted to stay high, being a factor within "global change" with potential effects on the carbon sink strength of forest trees. Hence, new approaches to O3 riskExpand
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Integrated effects of air pollution and climate change on forests: a northern hemisphere perspective.
Many air pollutants and greenhouse gases have common sources, contribute to radiative balance, interact in the atmosphere, and affect ecosystems. The impacts on forest ecosystems have beenExpand
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Monitoring environmental pollution in Poland by chemical analysis of Scots pine (Pinus sylvestris L.) needles.
Maps of the distribution of environmental pollution by sulfur (S), zinc (Zn), cadmium (Cd), lead (Pb), copper (Cu), and arsenic (As) for the territory of Poland and the Warsaw (Warszawa) districtExpand
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Passive sampler for monitoring ambient nitric acid (HNO3) and nitrous acid (HNO2) concentrations
Abstract A passive sampler for collection of gaseous nitric acid (HNO3) and nitrous acid (HNO2) is based on a diffusion of ambient air through Teflon membrane and absorption of the pollutants onExpand
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Human Impacts in Pine Forests: Past, Present, and Future*
Pines (genus Pinus) form the dominant tree cover over large parts of the Northern Hemisphere. Human activities have affected the distribution, composition, and structure of pine forests for millen-Expand
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Ambient ozone in forests of the Central and Eastern European mountains.
Ambient ozone (O(3)) concentrations in the forested areas of the Central and Eastern European (CEE) mountains measured on passive sampler networks and in several locations equipped with activeExpand
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Summer-time distribution of air pollutants in Sequoia National Park, California.
Concentrations of air pollutants were monitored during the May November 1999 period on a network of forested sites in Sequoia National Park, California. Measurements were conducted with: (1) activeExpand
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Effects of ozone, nitrogen deposition, and other stressors on montane ecosystems in the Sierra Nevada
Abstract The greatest air pollution impacts in forests of California are the physiological disturbances imposed on trees as a result of the combined effects of excess N and phytotoxic ozone exposureExpand
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