Conserving Migratory Pollinators and Nectar Corridors in Western North America (Arizona-Sonora Desert Museum Studies in Natural History) Год выпуска: 0Автор: Gary Paul NabhanИздательство: Страниц: 0ISBN: 0816522545Описание The first book to bring together studies of important migratory pollinators in the West--rufous hummingbirds, white-winged doves, lesser long-nosed bats, monarch butterflies--and of what we must do to conserve them. It investigates their foraging and roosting behaviors as they journey from the Tropic of Cancer in western Mexico into the deserts, grasslands, and thornscrub of the U.S.-Mexico borderlands, demonstrating new efforts to understand these migratory species and to determine whether their densities, survival rates, and health are changing in response to changes in the distribution and abundance of nectar plants found within their ranges.
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Александра, 29.04 спасибо за оперативность))
