Field Guide to California Lichens.

Lichens are among the most colourful and abundant organisms in the world. They provide food and nesting material for a wide variety of wildlife, contribute nutrients to the soil, and are indicators of both undisturbed ecosystems and clean air. They lend colour and pattern to trees, shrubs and rocks, yet most people know little about them. This richly illustrated, authoritative guide to the lichens of California draws new attention to these striking and ecologically important organisms, which are symbionts – representing a relationship between a fungus and alga – and highlights their beauty, diversity and value as a natural resource. Lichens are especially abundant and varied in California, where climates range from temperate rainforests to arid deserts. "A Field Guide to California Lichens" features stunning new photographs of some 500 lichen species by award-winning nature photographer Stephen Sharnoff. Up-to-date descriptions accompany each illustration. Among the special contributions of the guide are its coverage of most common macrolichens in California and its inclusion of many of the crust-forming species. For land management professionals and scientists involved with ecosystem studies, for birders, hikers, and all other curious about the natural world around them, this book will be a welcome field companion.
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An aparitie	July 2014
Autor	Sharnoff Stephen| Raven Peter H.
Dimensiuni	23,4x15,6 cm
Editura	Yale University Press
Format	Paperback
Limba	Engleza
Nr pag	416