In 1980 a group of scientists censusing marine mammals in the Bay of Fundy was astonished at the sight of 25 right whales. It was, one scientist later recalled, “like finding a brontosaurus in the backyard.” Until that time, scientists believed the North Atlantic right whale was extinct or nearly so. The sightings electrified the research community, spurring a quarter century of exploration, which is documented here.
The authors present our current knowledge about the biology and plight of right whales, including their reproduction, feeding, genetics, and endocrinology, as well as fatal run-ins with ships and fishing gear. Employing individual identifications, acoustics, and population models, Scott Kraus, Rosalind Rolland, and their colleagues present a vivid history of this animal, from a once commercially hunted commodity to today’s life-threatening challenges of urban waters.
Hunted for nearly a millennium, right whales are now being killed by the ocean commerce that supports our modern way of life. This book offers hope for the eventual salvation of this great whale.
Urban Wildlife Habitats was first published in 1994. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.
In cities, towns, and villages, between buildings and parking lots, streets and sidewalks, and polluted streams and rivers, there is ever less space for the "natural," the plants and animals that once were at home across North America. In this first book-length study of the subject, Lowell W. Adams reviews the impact of urban and suburban growth on natural plant and animal communities and reveals how, with appropriate landscape planning and urban development, cities and towns can be made more accommodating for a wide diversity of species, including our own.
Soils and ground surface, air, water, and noise pollution, space and demographics are among the urban characteristics Adams considers in relation to wildlife. He describes changes in the composition and structure of vegetation, as native species are replaced by exotic ones, and shows how, with spreading urbanization of natural habitats, the diversity of species of plants and animals almost always declines, although the density of a few species increases. Adams contends, however, that it is possible for a wide variety of species to coexist in the metropolitan environment, and he cites a growing interest in the practice of "natural landscaping," which emphasizes the use of native species and considers the structure, pattern, and species composition of vegetation as it relates to wildlife needs. Urban habitats vary from small city parks in densely built downtowns to suburbs with large yards and considerable open space. Adams discusses the opportunities these areas—along with school yards, hospital grounds, cemeteries, individual residences, and vacant lots—provide for judicious wildlife management and for the salutary interaction of people with nature.Lowell W. Adams is vice president of the National Institute for Urban Wildlife in Columbia, Maryland.
The Utah Mollusk Identification Guide offers the latest information for identifying aquatic and terrestrial snails, slugs, clams, and mussels within the state of Utah, providing comparative tables, taxonomic keys, and more than 230 images, including many type specimen images published for the first time. Amateur naturalists and biologists alike will benefit from detailed information regarding size, type, specimen location, junior synonyms (including taxonomy notes), and original descriptions for each of the 139 species. Clarifying notes from the author help to differentiate similar species.
In contrast to older guides, this book includes data on the external and internal anatomy of mollusks and updated taxonomic names. Family descriptions and miscellaneous data on ecology, life history, and genetics offer readers a wide lens to understand Utah’s mollusks. Data based on historical articles, museum records, personal observations, and collections point to the wide distribution of mollusks found in Utah. Although the focus is on Utah mollusks, the data, images, references, and taxonomy details within the guide will be of interest to many outside the state.
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