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The beautiful tropical dry forest of northwest Costa Rica, with its highly seasonal rainfall and diversely vegetated landscape, is disappearing even more rapidly than Costa Rica's better-known rain forest, primarily because it has been easier to convert to agriculture. This book, based on more than thirty years of study, offers the first comprehensive look at the ecology, biodiversity, and conservation status of this endangered and fragile region. The contributors, from Costa Rica, Britain, Mexico, and the United States, and representing the fields of ecology, environmental education, policy, and the law, examine the major plant and animal groups living in the dry forest and present the firs...
The best source for information on California bees and how to help them thrive in your garden Identification and guidance for planting
The next time you hear the low buzzing sound of an approaching bee, look closer: the bee has navigated to this particular spot for a reason using a fascinating set of tools. She might be responding to scents on the breeze as her olfactory organs provide a 3D map of an object's location. She might be tracing the route based on her memories of a particular flower or the electrostatic traces left by other bees. What a Bee Knows: Exploring the Thoughts, Memories, and Personalities of Bees invites us to follow bees' mysterious pathways and experience their complex and alien world. Although their brains are incredibly small--just one million neurons compared to humans' 100 billion--bees have remarkable abilities to navigate, learn, communicate, and remember. In What a Bee Knows, entomologist Stephen Buchmann explores a bee's way of seeing the world and introduces the scientists who make the journey possible. What a Bee Knows will challenge your idea of a bee's place in the world--and perhaps our own.
Pollinators-insects, birds, bats, and other animals that carry pollen from the male to the female parts of flowers for plant reproduction-are an essential part of natural and agricultural ecosystems throughout North America. For example, most fruit, vegetable, and seed crops and some crops that provide fiber, drugs, and fuel depend on animals for pollination. This report provides evidence for the decline of some pollinator species in North America, including America's most important managed pollinator, the honey bee, as well as some butterflies, bats, and hummingbirds. For most managed and wild pollinator species, however, population trends have not been assessed because populations have not been monitored over time. In addition, for wild species with demonstrated declines, it is often difficult to determine the causes or consequences of their decline. This report outlines priorities for research and monitoring that are needed to improve information on the status of pollinators and establishes a framework for conservation and restoration of pollinator species and communities.
This book assesses the scientific knowledge of tropical tree biology set against a background of community ecology and forest structure.
Practical travel guide to Costa Rica featuring points-of-interest structured lists of all sights and off-the-beaten-track treasures, with detailed colour-coded maps, practical details about what to see and to do in Costa Rica, how to get there and around, pre-departure information, as well as top time-saving tips, like a visual list of things not to miss in Costa Rica, expert author picks and itineraries to help you plan your trip. The Rough Guide to Costa Rica covers: San José, The Valle Central and the highlands, Limón Province and the Caribbean coast, The Zona Norte, Guanacaste, The Central Pacific and southern Nicoya, The Zona Sur Inside this travel guide you'll find: RECOMMENDATIONS F...