Bøger af Collin Varner

A keystone species is an organism that defines and supports an entire ecosystem, filling a vital ecological niche. Without these species, ecosystems would be radically altered or even collapse. This full-color, pocket-sized field guide by best-selling naturalist Collin Varner highlights fifty keystone birds, mammals, amphibians, insects, fish, shellfish, and mollusks found across the Pacific Northwest bioregion. Species profiled include the American crow, bald eagle, American beaver, California sea lion, sea otter, orca, coyote, grizzly bear, giant Pacific octopus, Chinook salmon, Pacific tree frog, Pacific banana slug, and mixed bumblebee. Each entry features clear photography, etymology, descriptions, habitat information, and risks and warnings. This convenient and easy-to-use reference is perfect for walkers, hikers, campers, beachcombers, sailors, paddlers, and whale watchers and important for raising awareness of the need to conserve and protect these vital species.

A compact, user-friendly guide to ecologically significant plant species of the Northwest CoastA keystone species is an organism that defines and supports an entire ecosystem, filling a vital ecological niche. Without these species, ecosystems would be radically altered or even collapse. This full-color, pocket-sized field guide by best-selling naturalist Collin Varner highlights fifty keystone trees, flowering plants, fruit-bearing plants, marine plants, and fungi found across the Pacific Northwest bioregion. Species profiled include Douglas fir, Sitka spruce, large-leafed lupine, wild mint, Salal, salmonberry, marine eelgrass, and red-belted polypore. Each entry features clear photography, etymology, descriptions, habitat information, and risks and warnings. This convenient and easy-to-use reference is perfect for walkers, hikers, campers, and beachcombers and important for raising awareness of the need to conserve and protect these vital species.

The Flora and Fauna of the Pacific Northwest Coast is an extensive, easy-to-follow resource guide to the plant and animal life of the vast and diverse bioregion stretching from Juneau, Alaska, south to coastal British Columbia, Washington, Oregon, and down to California's San Francisco Bay. Encompassing over eight hundred native and invasive species, and including more than two thousand color photos, this is the most complete book of its kind on the market. The book is divided into flora and fauna, with detailed subsections for flowering plants, berries, ferns, shrubs and bushes, trees, fungi, birds, mammals, amphibians, reptiles, and insects. Each species (identified by common and scientific name) is illustrated by a close-up photograph and a concise description of its appearance, biology, and habitat, as well as its traditional use and medicinal properties (where applicable). The book also contains detailed maps, a glossary, and a complete index of species.

A compact, full-colour field guide to the growing number of invasive plant species spreading across coastal BC and the Pacific Northwest, highlighting their hazards and uses.The spread of invasive plant species is a growing concern across the coastal Pacific Northwest. Invasive plants compete for space with native plants, alter the natural habitat, and even interfere with the diet of local wildlife. Hundreds of these species are so commonly seen in our backyards, forests, and roadsides, that many people do not even realize that these plants are not native to this region.Designed for amateur naturalists, gardeners, and foragers, Invasive Flora of the West Coast is a clear, concise, full-colour guide to identifying and demystifying more than 200 invasive plant species in our midst, from Scotch broom to Evening Primrose. Featuring colour photography, origin and etymology, safety tips and warnings, as well as common uses, this book is practical, user-friendly, and portable for easy, on-the-go identification.