Описание: A color-illustrated field and natural history guide that treats 107 tiger beetle species found in North America above the Mexican border. This work includes biological accounts that emphasize points for identification, behavior, and habitat. Distribution maps show where various species and subspecies can be found.
Описание: The naturalist Charles Waterton (1782-1865), whose family owned plantations in Demerara, travelled widely in South America and the Caribbean. This 1825 account of his expeditions, reissued here in its 1828 second edition, describes research on Amazonian poison, the capture of an enormous snake, and being attacked by vampire bats.
Автор: J.V. Huner Название: Crustacean and Mollusk Aquaculture in the United States ISBN: 1468415050 ISBN-13(EAN): 9781468415056 Издательство: Springer Рейтинг: Цена: 16979.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Success has been greatest with low trophic level species such as freshwater crawfishes and bivalve mollusks where nature subsidizes the aquaculturist in many ways, providing feed at low or no cost, seed for culture systems, waste removal, and so forth.
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