Download or read book Canadian Government Publications Catalogue written by and published by . This book was released on 2013 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Fishes of Alberta written by Joseph S. Nelson and published by University of Alberta. This book was released on 1992 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information on the 59 species of fish found in Alberta, information on identification, distribution, biology, taxonomic history, and angling.
Download or read book Mortality Saltwater Adaptation and Reproduction of Fish During Gas Supersaturation written by Gerald R. Bouck and published by . This book was released on 1976 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemistry and Physics of Aqueous Gas Solutions written by William Alfred Adams and published by . This book was released on 1975 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fish stream Identification Guidebook written by British Columbia. Ministry of Forests and published by . This book was released on 1995 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The British Columbia Forest Practices Code specifies planning and operational guidelines for each phase of timber harvesting operations around streams, lakes, and wetlands. This guide describes suitable practices to meet the objectives of the riparian management regulations within the Code, specifically the requirement to correctly identify streams on the basis of fish presence in order to ensure the protection of fish populations and habitats during all phases of forest harvesting. The guide defines the classes of streams distinguished for aquatic ecosystem and riparian zone management, identifies fish species that define a stream as fish-bearing under the Code, and describes factors influencing fish-stream identification such as stream reach, gradient, stream size, natural barriers, and fisheries sensitive zones. The guide concludes with methods for identifying fish streams, including measurement, sampling, data recording, and mapping procedures.
Download or read book Endocrine Disruption in Fish written by David E. Kime and published by Springer Science & Business Media. This book was released on 1998-10-31 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last half-century has shown a dramatic increase in the standard of living of millions of people in Europe, North America and many parts of the Third World. This has, in many ways been brought about by scientific and technical developments which were initiated in the 1940s and 1950s. Promises were then made that nuclear energy would provide electricity so cheap that it would not need metering, pesticides would end malnutrition throughout the world and plastics and other synthetic chemicals would revolutionise our manufacturing industry and our way of life. Whilst some of these promises have been fulfilled, the problems of long-term health risks to humans and wildlife arising from the use, production and disposal of these products were either unknown or deliberately understated. Nuclear power is rendered economically unviable when the real cost of decommissioning and storage of waste for several millenia is included, and the effects on health of both humans and wildlife of early pest eradication programmes with organochlorine pesticides were well documented in Rachel Carson's "Silent Spring". Evidence of the effects of aerosols and refrigerants on depletion of the ozone layer has led to restriction on the use of CFCs, and there is now increasing evidence of climate change resulting from our profligate use of fossil fuels.
Download or read book Sturgeon biodiversity and conservation written by Vadim J. Birstein and published by Springer Science & Business Media. This book was released on 1997-05-31 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a synthesis of basic biological and conservation data for more than 30 species of sturgeons (Acipenseridae), paddlefishes (Polyodontidae) and their fossil allies in the order Acipenseriformes. Since the Jurassic, the four families of sturgeon-like fish have been restricted to the Holarctic, where until very recently they flourished in most major river systems. Today, however, virtually all species of sturgeons and paddlefishes face difficult conservation issues. Papers in the first section of this volume examine paleontology, systematics, evolution and basic biology of Acipenseriformes. The second section of this volume details current conservation status for most of the world's living species of Acipenseriformes. These papers mark the first attempt to make such a global review of recent data from across the northern hemisphere. The emerging picture is discouraging, for negative anthropogenic impacts range from overfishing to water pollution, to dams and water diversion projects, and all species are threatened to some degree. The third section of the volume considers specific human impacts and responses to conservation issues. These include: the Aral Sea ecological disaster and its impact on native sturgeons; a review of methods for restoring sturgeon populations; the use of molecular techniques in developing conservation strategies; the extreme sensitivity of sturgeons and paddlefishes to overfishing; and the history of a recently convicted caviar poaching ring. The volume's summary reviews the status of all extant species and notes future directions for research on behavior, ecology and population biology that could lead to better co-ordinated international conservation efforts.
Download or read book Ecology and Conservation of the Marbled Murrelet written by and published by . This book was released on 1995 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book D lvi written by Laura Galloway and published by Atlantic Books (UK). This book was released on 2022-02-03 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part memoir, part travelogue, this is the story of one woman's six years living in a reindeer-herding village in the Arctic Tundra, forging a life on her own as the only American among one of the most unknowable cultures on earth. An ancestry test suggesting she shared some DNA with the Sámi people, the indigenous inhabitants of the Arctic tundra, tapped into Laura Galloway's wanderlust; an affair with a Sámi reindeer herder ultimately led her to leave New York for the tiny town of Kautokeino, Norway. When her new boyfriend left her unexpectedly after six months, it would have been easy, and perhaps prudent, to return home. But she stayed for six years. Dálvi is the story of Laura's time in a reindeer-herding village in the Arctic, forging a solitary existence as she struggled to learn the language and make her way in a remote community for which there were no guidebooks or manuals for how to fit in. Her time in the North opened her to a new world. And it brought something else as well: reconciliation and peace with the traumatic events that had previously defined her - the sudden death of her mother when she was three, a difficult childhood and her lifelong search for connection and a sense of home. Both a heart-rending memoir and a love letter to the singular landscape of the region, Dálvi explores with great warmth and humility what it means to truly belong.
Download or read book Systematic Parasitology written by Dr. Sheila Willmott and published by Springer. This book was released on 1981-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Biodiversity Atlas of British Columbia written by M. A. Austin and published by . This book was released on 2009 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: With sixty descriptive maps and accompanying text, The Biodiversity Atlas of British Columbia provides a broad overview of the province?s range of terrestrial and freshwater biological diversity. Bringing together data from numerous sources summarized in map form, the Atlas provides a window to B.C.?s diverse ecosystems, the species that live in them, and the elements of British Columbia?s biodiversity that make it globally significant. The Atlas also presents a visual perspective of a number of human-induced threats, including climate change, affecting biodiversity in B.C. today. The Atlas is designed to serve as a companion document to Taking Nature?s Pulse: The Status of Biodiversity in British Columbia ? a comprehensive scientific assessment of biodiversity in the province. Both the Atlas and Taking Nature?s Pulse are projects of Biodiversity BC, a partnership of conservation groups and government agencies.
Download or read book The Northern Madtom written by and published by . This book was released on 2009 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Riparian Management Area Guidebook written by BC Environment and published by Forest Service British Columbia. This book was released on 1995-01-01 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Helps managers, planners and field staff set and comply with Forest Practices Code standards for management of riparian management areas (RMAs).
Download or read book Status of White Sturgeon in the Kootenai River written by Patrick Graham and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lower Columbia River White Sturgeon Current Stock Status and Management Implications written by John DeVore and published by . This book was released on 1999 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific Information in Support of Identifying Critical Habitat for SARA Listed White Sturgeon Populations in Canada written by Todd Hatfield and published by . This book was released on 2013 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This document reviews existing information relevant to the determination of critical habitat for white sturgeon in each of the four SARA-listed populations in Canada. The report introduces the concept of critical habitat (as distinguished from other habitats used by the species) and summarizes existing information about the location, extent, current status, and potential threats to freshwater habitat that is critical to survival or recovery of white sturgeon in Canada. The report documents sources of information, methods by which information was collected, reliability of the information, and provides a brief discussion of data gaps. Basic biological information on the primary life stages of white sturgeon is provided, including diets and habitat needs."--Document.
Download or read book Age Growth and Migration of White Sturgeon in the Nechako and Upper Fraser Rivers of British Columbia written by B. M. (Brenda M.) Dixon and published by . This book was released on 1986 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
