sábado, 21 de novembro de 2009

"Oceans – Biomes of the Earth"

Trevor Day "Oceans – Biomes of the Earth"
Published by Chelsea House Publications | Publication date : April 2006 | ISBN : 0816053278 | PDF | 273 pages | English | 16.2 MB

The oceans are teeming with life of all kinds. Changing sea levels, plate tectonics, chemical cycling, sedimentation, and the atmosphere greatly impact these habitats. The ocean's currents and sea level are tied closely to weather patterns and in turn to such issues as global warming and El Nino.
"Oceans" provides a complete overview of the ecosystem that exists in these bodies of water. From the coastal wetlands to the deep ocean waters, the geography, geology, chemistry, and physics of oceans are thoroughly examined in this volume.
Today, the impact that human use of ocean resources has on these habitats, including habitat loss and overharvesting, is in constant debate. "Oceans" looks at these possible threats and concludes with a balanced look at the ways to manage the oceans, as well as the future of this ecosystem.

"Taiga – Biomes of the Earth"

Trevor Day "Taiga – Biomes of the Earth"
Published by Chelsea House Publications | Publication date : April 2006 | ISBN : 0816053294 | PDF | 241 pages | English | 15.4 MB
Taiga is a biome of the Northern Hemisphere, between tundra to the north and broad-leaved forest and temperate grassland to the south. Taiga includes dense forest, open forest, and jigsaw puzzles of forests, wetlands, and lakes that can be found in northwestern and northeastern America, northern Europe, Siberia, and East Asia. Examining its geography, geology, climate, and biodiversity, "Taiga" describes this unique ecosystem in a clear, complete manner. Human uses of taiga date back thousands of years to Eurasian hunters and fishers crossing the Bering land bridge into present-day North America. Today, hunting, logging, and mining are a few of the ways this habitat is used. Threats resulting from this development include overharvesting from hunting and logging, clear-felling, and the spread of agriculture. This volume also examines ways of managing taiga, including the movement to conserve taiga habitats through the creation of reservations and sanctuaries.

"Geological and Soil Evidence. Forensic Applications"

"Geological and Soil Evidence. Forensic Applications" by Kenneth Pye
CRC | 2007 | ISBN: 0849331463 | 362 pages | PDF | 9 Mb

This book provides an authoritative introduction to the nature and properties of geological and soil materials that may be used as trace evidence and the techniques used to analyze and evaluate them. It emphasizes the use of geoscience in forensic analyses, including geophysical, meteorological, and geomorphological data.

This inclusive book covers material types and analytical strategies used in examining both the common components of geological evidence, such as rocks, dusts, minerals, spores, and microfossils, as well as anthropogenic particles like pottery and brick.
It instructs on particle characterization based on physical, chemical, and mineralogical traits such as color, shape, density, and elemental and isotopic composition. It also explains sampling and handling procedures particular to criminalistics and introduces analysis, evaluation, and decision-making practices based on statistical significance and the weighing of different types of evidence.


Plate Tectonics (Science Foundations) By Stephen M. Tomecek

Plate Tectonics (Science Foundations) By Stephen M. Tomecek
Publisher: Chelsea House Publications 2009-05-30 | 102 Pages | ISBN: 1604130148 | PDF | 10 MB

The development of the plate tectonic theory was one of the great revolutions in the history of science. Before the plate tectonic theory, most scientists believed that Earth was a static planet that never really changed. Working like detectives, a small group of pioneering individuals slowly pieced together an entirely different picture of our Earth, showing that the planet is really a dynamic, active world. Over the course of millions of years, continents collided with each other, oceans opened and closed, and mountains rose and fell - and these changes continue today. "Plate Tectonics" examines the evolution of plate tectonic theory from its beginnings as a wild idea of drifting continents to its acceptance as the main concept that drives geology today. The book also focuses on the lives and achievements of those individuals who fought great odds to give rise to one of the most important theories in science.