From Fossils to Astrobiology

From Fossils to Astrobiology
Author: Joseph Seckbach
Publisher: Springer Science & Business Media
Total Pages: 539
Release: 2008-11-07
Genre: Science
ISBN: 140208837X

From Fossils to Astrobiology reviews developments in paleontology and geobiology that relate to the rapidly-developing field of Astrobiology, the study of life in the Universe. Many traditional areas of scientific study, including astronomy, chemistry and planetary science, contribute to Astrobiology, but the study of the record of life on planet Earth is critical in guiding investigations in the rest of the cosmos. In this varied book, expert scientists from 15 countries present peer-reviewed, stimulating reviews of paleontological and astrobiological studies. The overviews of established and emerging techniques for studying modern and ancient microorganisms on Earth and beyond, will be valuable guides to evaluating biosignatures which could be found in the extraterrestrial surface or subsurface within the Solar System and beyond. This volume also provides discussion on the controversial reports of "nanobacteria" in the Martian meteorite ALH84001. It is a unique volume among Astrobiology monographs in focusing on fossil evidence from the geological record and will be valuable to students and researchers alike.

Encyclopedia of Soil Science

Encyclopedia of Soil Science
Author: Ward Chesworth
Publisher: Springer Science & Business Media
Total Pages: 859
Release: 2007-11-22
Genre: Nature
ISBN: 1402039948

The Encyclopedia of Soil Science provides a comprehensive, alphabetical treatment of basic soil science in a single volume. It constitutes a wide ranging and authorative collection of some 160 academic articles covering the salient aspects of soil physics, chemistry, biology, fertility, technology, genesis, morphology, classification and geomorphology. With increased usage of soil for world food production, building materials, and waste repositories, demand has grown for a better global understanding of soil and its processes. longer articles by leading authorities from around the world are supplemented by some 430 definitions of common terms in soil sciences.

The Panama Canal

The Panama Canal
Author: George Washington Goethals
Publisher:
Total Pages: 78
Release: 1911
Genre: Panama Canal (Panama)
ISBN:

Salinity and Water Stress

Salinity and Water Stress
Author: M. Ashraf
Publisher: Springer Science & Business Media
Total Pages: 241
Release: 2008-12-26
Genre: Science
ISBN: 140209065X

Salinity and water stress limit crop productivity worldwide and generate substantial economic losses each year, yet innovative research on crop and natural resource management can reveal cost-effective ways in which farmers can increase both their productivity and their income. Presenting recent research findings on salt stress, water stress and stress-adapted plants, this book offers insights into new strategies for increasing the efficiency of crops under stressful environments. The strategies are based on conventional breeding and advanced molecular techniques used by plant physiologists, and are discussed using specific case studies to illustrate their potential. The book emphasizes the effects of environmental factors on specific stages of plant development, and discusses the role of plant growth regulators, nutrients, osmoprotectants and antioxidants in counteracting their adverse affects. Synthesising updated information on mechansisms of stress tolerance at cell, tissue and whole-plant level, this book provides a useful reference text for post graduate students and researchers involved in the fields of stress physiology and plant physiology in general, with additional readership amongst researchers in horticulture, agronomy, crop science, conservation, environmental management and ecological restoration.

Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants

Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants
Author: National Research Council
Publisher: National Academies Press
Total Pages: 316
Release: 2007-04-07
Genre: Science
ISBN: 0309092256

U.S. Navy personnel who work on submarines are in an enclosed and isolated environment for days or weeks at a time when at sea. Unlike a typical work environment, they are potentially exposed to air contaminants 24 hours a day. To protect workers from potential adverse health effects due to those conditions, the U.S. Navy has established exposure guidance levels for a number of contaminants. The Navy asked a subcommittee of the National Research Council (NRC) to review, and develop when necessary, exposure guidance levels for 10 contaminants. Overall, the subcommittee found the values proposed by the Navy to be suitable for protecting human health. For a few chemicals, the committee proposed levels that were lower than those proposed by the Navy. In conducting its evaluation, the subcommittee found that there is little exposure data available on the submarine environment and echoed a previous recommendation from an earlier NRC report to conduct monitoring that would provide a complete analysis of submarine air and data on exposure of personnel to contaminants.

Military Aviation Review

Military Aviation Review
Author: Paul Jackson
Publisher:
Total Pages: 80
Release: 1988
Genre: Airplanes, Military
ISBN: 9780711018013

Supercedes in part Aircraft. Illustrated. Annual, AOL 88-33 now cancelled.