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Riassunto: Frogs, toads and salamanders are important indicators of the quality of the environment, and they re cute little critters too. Newly revised and updated, this innovative field guide describes the life histories, habitat requirements and vulnerabilities of 38 species of amphibians in the Pacific Northwest, plus a new appendix of additional species. Color photographs and illustrated keys help identify all life stages of each species. As well, a multitude of fascinating details about amphibians are provided, including:
· habitat preferences
· tips for finding them
· planning amphibian surveys
· their activity through the seasons
· guidelines for handling and measuring them
· photography tips
· a table that compares confusing species
· current status.
This handy, informative book is sure to be invaluable to biologists and field technician experts as well as to individuals on a family outing or school field trip.
L'autore: CHRIS THOMS was a biologist employed with the U.S. Army Corps of Engineers in Oregon until her passing in October, 2002, at the age of 59. Chris was a certified Professional Wetland Scientist, natural science illustrator and field naturalist. She worked with Charlotte Corkran on several projects through the Northwest Ecological Research Institute, designing field methods for identifying the early development stages of amphibians. Naturalist, author and photographer CHARLOTTE CORKRAN works as an independent wildlife consultant based in Portland, Oregon. She has done extensive research on amphibian populations in the Pacific Northwest.
Titolo: Amphibians of Oregon, Washington, and ...
Casa editrice: Lone Pine
Data di pubblicazione: 2006
Condizione libro: very good
Descrizione libro Lone Pine, 2006. Paperback. Condizione libro: Very Good. Codice libro della libreria P02155105566X
Descrizione libro Lone Pine, 2006. Paperback. Condizione libro: New. Codice libro della libreria P11155105566X