This is a book for all readers who want to learn about amphibians, the animal group that includes frogs, toads, salamanders, and caecilians. It draws on many years of classroom teaching, laboratory experience, and field observation by the authors. Robert Stebbins and Nathan Cohen lead readers on a fascinating odyssey as they explore some of nature's most interesting creatures, interspersing their own observations throughout the book. A Natural History of Amphibians can serve as a textbook for students and independent learners, as an overview of the field for professional scientists and land managers, and as an engaging introduction for general readers. The class Amphibia contains more than 4,500 known living species. New species are being discovered so rapidly that the number may grow to more than 5,000 during our lifetimes. However, their numbers are being rapidly decimated around the globe, largely due to the encroachment of humans on amphibian habitats and from growing human-caused environmental pollution, discussed at length in the final chapter. The authors focus our attention on the "natural history" of amphibians worldwide and emphasize their interactions with their environments over time: where they live; how they reproduce; how they have been affected by evolutionary processes; what factors will determine their destinies over time. Through the experienced eyes of the authors, who are skilled observers, we come to see and understand the place of amphibians in the natural world around us.
The leading single-source book in women's health care, reproductive medicine, and pelvic surgery A Doody's Core Title! Thorough review of all of obstetrics & gynecology Covers more than 1,000 diseases and disorders The latest screening and management guidelines More than 450 clear clinical photos and illustrations in two colors Formatted to facilitate quick retrieval of information Concise, current coverage of treatments for common gynecologic infections Extensively revised throughout Covers underlying pathophysiology when relevant to diagnosis and treatment Helpful references to classic and important new sources
Completely revised and updated, this comprehensive reference provides the latest clinically relevant information on all aspects of women's health care. New contributors offer up-to-the-minute reports on late pregnancy complications, multiple pregnancy, third-trimester hemorrhage, and infertility.
The Retirement Management Journal, a publication of the Retirement Income Industry Association (RIIA), is devoted to the advancement of theoretically sound, practical thinking for retirement-income planning and management.RIIA provides the space, discussions, communications, research, education, and standards that derive from its unique perspective – the View Across the Silos – to help investors, distributors, and manufacturers in the financial industry transition from Investment Accumulation to Retirement Management and Income Protection.
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