Trace Gas Exchange in Forest Ecosystems

• 1. Biological processes involved in trace gas exchange.- 1.1 Microbiological and biochemical background of production and consumption of NO and N2O in soil.- 1.2 NO2, NO and HNO3 Uptake by Trees.- 1.3 Production and consumption of NH4+ and NH3 in trees.- 1.4 Isoprene and terpene biosynthesis.- 1.5 Biosynthesis of aldehydes and organic acids.- 2. Exchange of trace gases at the soil-atmosphere interface.- 2.1 NO, NO2 and N2O.- 2.2 CH4.- 3. Exchange of trace gases at the tree-atmosphere interface.- 3.1 Ammonia exchange at the tree-atmosphere interface.- 3.2 Isoprene and other isoprenoids.- 3.3 Aldehydes and organic acids.- 3.4 Ozone.- 4. Forest canopies as sources and sinks of atmospheric trace gases.- 4.1 Scaling up to the ecosystem level.- 5. Atmospheric chemistry of trace gases exchanged in forest ecosystems.- 5.1 Nitrogen oxides.- 5.2 Ozone and volatile organic ompounds: isoprene, terpenes, aldehydes, and organic acids.- 6. Environmental factors influencing trace gas exchange.- 6.1 Acid rain and N-deposition.- 6.2 Tropospheric Ozone.

"I would highly recommend this book to all scientists who are engaged in tree physiology and also to forestry students. I encourage environment protection students to study the issue of acidification of ecosystems from sulfur and nitrogen deposition and the consequences of this process on forest ecosystems (temperate forest and tropical forests) in the global scale. Moreover, they will find much interesting information concerning tropospheric ozone as an important component of photochemical smog, which induces gene expression in deciduous and coniferous trees." (Acta physiologiae plantarum, 25:4, 2003)