Litter Decomposition describes one of the most important processes in the biosphere - the decay of organic matter. It focuses on the decomposition process of foliar litter in the terrestrial systems of boreal and temperate forests due to the greater amount of data from those biomes. The availability of several long-term studies from these forest types allows a more in-depth approach to the later stages of decomposition and humus formation. Differences between the decay of woody matter and foliar litter is discussed in detail and a different pattern for decomposition is introduced.
Are we alone in the universe? The search for extraterrestrial intelligence (SETI) has been given fresh impetus in recent years following developments in space science which go beyond speculation. The evidence that many stars are accompanied by planets, the detection of organic material in the circumstellar disks of which planets are created, and claims regarding microfossils on Martian meteorites have all led to many new empirical searches. Against the background of these dramatic new developments in science,SETIcritically evalutes claims concerning the status of SETI as a genuine scientific research program and examines the attempts to establish contact with other intelligent life forms in the past thirty years. David Lamb also asseses competing theories on the origin of life on Earth, discoveries of ex-solar planets and proposals for space colonies as well as the technical and ethical issues bound up with them. Most importantly, he considers the benefits and drawbacks of communicationwith new life forms: how we should communicate and whether we should.
Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry.
The purpose of this second volume is to challenge and extend the field of research in public relations. Taking a proactive approach to creating a stable, yet not stagnant annual, the editors directly solicited chapters on exciting and intriguing subjects. Assuming some prior knowledge, interests, and commitment of their readers, the editors hope that each chapter's report on original research provides enough context for understanding even if the area of inquiry is new to the readers.
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