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Author : Anonim
Publisher : Houghton Mifflin Harcourt
Page : 76 pages
File Size : 47,5 Mb
Release : 1948
Category : Juvenile Fiction
ISBN : 0395266815
The history of America at sea is presented through the travels of Seabird, a carved ivory gull.
Author : Adam Nicolson
Publisher : Henry Holt and Company
Page : 416 pages
File Size : 47,7 Mb
Release : 2018-02-06
Category : Nature
ISBN : 9781250134196
Life itself could never have been sustainable without seabirds. As Adam Nicolson writes: "They are bringers of fertility, the deliverers of life from ocean to land." A global tragedy is unfolding. Even as we are coming to understand them, the number of seabirds on our planet is in freefall, dropping by nearly 70% in the last sixty years, a billion fewer now than there were in 1950. Of the ten birds in this book, seven are in decline, at least in part of their range. Extinction stalks the ocean and there is a danger that the grand cry of the seabird colony, rolling around the bays and headlands of high latitudes, will this century become little but a memory. Seabirds have always entranced the human imagination and NYT best-selling author Adam Nicolson has been in love with them all his life: for their mastery of wind and ocean, their aerial beauty and the unmatched wildness of the coasts and islands where every summer they return to breed. The seabird’s cry comes from an elemental layer in the story of the world. Over the last couple of decades, modern science has begun to understand their epic voyages, their astonishing abilities to navigate for tens of thousands of miles on featureless seas, their ability to smell their way towards fish and home. Only the poets in the past would have thought of seabirds as creatures riding the ripples and currents of the entire planet, but that is what the scientists are seeing now today.
Author : Peter Harrison
Publisher : Unknown
Page : 0 pages
File Size : 51,5 Mb
Release : 1991-09-16
Category : Birds
ISBN : 0395602912
This is the definitive book on the seabirds of the world, describing virtually all the known species. Illustrated in color.
Author : Joan Dunning
Publisher : Unknown
Page : 34 pages
File Size : 43,6 Mb
Release : 2011
Category : Juvenile Nonfiction
ISBN : 9781590787151
The story of a nesting pair of murrelets who fly inland from their home in the Pacific Ocean to the Douglas-fir tree area of California where an egg is laid. After the egg is hatched the parents fly back and forth to the ocean bring fish for the young bird to eat. And finally when the fledgling leaves the nest and heads to the ocean.
Author : R. W. Furness
Publisher : Springer Science & Business Media
Page : 166 pages
File Size : 40,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461320937
In the last few years there has been an excltmg upsurge in seabird research. There are several reasons for this. Man's increased ex ploitation of natural resources has led to a greater awareness of the potential conflicts with seabirds, and of the use of seabirds to indicate the damage we might be doing to our environment. Many seabird populations have increased dramatically in numbers and so seem more likely to conflict with man, for example through competition for food or transmission of diseases. Oil exploration and production has resulted in major studies of seabird distributions and ecology in relation to oil pollution. The possibility that seabirds may provide information on fish stock biology is now being critically investigated. Some seabird species have suffered serious declines in numbers and require conservation action to be taken to reduce the chances that they will become extinct. This requires an understanding of the factors determining their population size and dynamics.
Author : Anonim
Publisher : Unknown
Page : 266 pages
File Size : 45,8 Mb
Release : 2005
Category : Sea birds
ISBN : CORNELL:31924101448524
Author : Nordisk Ministerråd
Publisher : Nordic Council of Ministers
Page : 99 pages
File Size : 50,5 Mb
Release : 2006
Category : Nature
ISBN : 9789289313018
Internationally important seabird resources are found in the Nordic countries (Greenland, Faeroes, Iceland, Jan Mayen, and Svalbard). To fulfill a recommendation of the Arctic Nordic Action Plan 1999, a project was carried out to harmonize databases for seabird colonies. Number of seabird species in these countries is 30, the number of colony sites may be 10,000, often more than one species at same site, and the total breeding pairs is estimated c. 50 million. A harmonized database format for seabird colonies was established, with 3 main tables, colony descriptions, colony survey data, study plot information. Linked are tables with references, observers, and photo documentation. The program can be downloaded free from: ftp://ftp.npolar.no/Out/Hallvard/. The manual is in the report appendix. The format harmonization is the first step in work on seabird colony databases. Harmonization enables common analyses over larger regions than hitherto possible, e.g. scientific assessments of species (colony details, geographic location, colony size, trend data, etc.) and conservation status overviews. Seabird colony data need to be incorporated into conservation policies. The databases are only as good as the data stored, many colonies remain unregistered, not censused, and fieldwork needs to be intensified. Each country maintains, updates, and corrects their databases, adding details lacking (habitat type, colony distribution, conservation status, land ownership, etc.).
Author : Jaime A. Ramos,Leonel Pereira
Publisher : CRC Press
Page : 271 pages
File Size : 48,5 Mb
Release : 2022-06-30
Category : Nature
ISBN : 9781000622577
Seabirds are global travellers connecting oceans and seas all over the world, and facing multiple threats at local and global scales. Seabirds are long-lived top predators, reflecting changes at lower trophic levels, and are good models to assess ecological changes produced by human societies. Thus, world-wide collaborations are needed to understand seabird ecology and to develop effective conservation measures benefitting both humans and seabird populations. This book provides a modern overview on seabird biodiversity studies: it begins by covering the most up-to-date techniques to study seabirds, and then focus on pragmatic issues related with interactions between seabirds and humans, the use of seabirds as ecological indicators and conservation of seabirds. It gives an updated insight on all these topics and highlights gaps that need further development for a comprehensive understanding of the relationships between seabirds and human actions. This book covers the response of the seabird research community to a biodiversity crisis aiming to contribute towards environmental sustainability. It should provide inspiration to a wide range of professionals and students, including the much needed world-wide collaboration between research groups and practitioners. In this way seabird research and conservation provide an inspiration for the solution of global issues such as climate change.
Author : Anonim
Publisher : Unknown
Page : 380 pages
File Size : 52,6 Mb
Release : 1980
Category : Bird populations
ISBN : UOM:39015086413054
Author : Anthony J. Gaston
Publisher : New Haven : Yale University Press
Page : 222 pages
File Size : 41,8 Mb
Release : 2004
Category : Nature
ISBN : 0300104065
This readable guide to the seabirds of the world provides updated material on every aspect of this fascinating group of birds. Ornithologist Anthony J. Gaston has devoted decades to the study of these beautiful and engaging birds, and he explains in detail what is special about being a seabird and why--like us--they live a long time and reproduce very slowly. Enriched with personal anecdotes from the field and remarkable photographs from John Chardine and Tim Lash, this book will appeal to students, birdwatchers, ornithologists, and naturalists alike. The book covers the gamut of seabirds. It includes information on seabird types, adaptation and plumage, how they are distributed into communities, feeding behavior, migration, breeding, and the consequences of coloniality. The author concludes with a thoughtful analysis and discussion of the population dynamics and life-history strategy of seabirds.
Author : Steve N. G. Howell,Kirk Zufelt
Publisher : Princeton University Press
Page : 360 pages
File Size : 55,8 Mb
Release : 2019-08-20
Category : Nature
ISBN : 9780691175010
A state-of-the-art photographic field guide to the world's oceanic birds Oceanic birds are among the most remarkable but least known of all birds, living at sea, far from the sight of most people. They offer unusual identification challenges—many species look similar and it can be difficult to get good views of fast-flying birds from a moving boat. The first field guide to the world's oceanic birds in more than two decades, this exciting and authoritative book draws on decades of firsthand experience on the open seas. It features clear text filled with original insights and new information and more than 2,200 carefully chosen color images that bring the ocean and its remarkable winged inhabitants to life. Never before have oceanic birds been presented in such an accessible and comprehensive way. The introduction discusses the many recent developments in seabird taxonomy, which are incorporated into the species accounts, and these accounts are arranged into groups that aid field identification. Each group and species complex has an introductory overview of its identification challenges, illustrated with clear comparative photos. The text describes flight manner, plumage variation related to age and molt, seasonal occurrence patterns, migration routes, and many other features. The result is an indispensable guide for exploring birding's last great frontier. A comprehensive, authoritative, and accessible guide to oceanic birds Covers more than 270 species Includes more than 2,200 color photos with concise captions noting key features Features careful species comparisons, overviews of the latest taxonomy, tips on how to observe and ID birds at sea, and much more
Author : Clare Lloyd,Mark L. Tasker,Ken Partridge
Publisher : A&C Black
Page : 374 pages
File Size : 51,5 Mb
Release : 2010-10-30
Category : Nature
ISBN : 9781408137987
The Status of Seabirds in Britain and Ireland book presents the most up-to-date information available on these seabird populations, their numbers and distribution, and their changing fortunes in recent years. The oceanographic and coastal features of the British Isles provide a wealth of ideal habitats for breeding seabirds and it is no surprise that the British and Irish seabird populations are of international importance, both in sheer numbers and in species diversity. Indeed, for some species British waters are host to the greater part of the world's population. The Operation Seafarer survey, carried out in 1969-70, provided a baseline for future work that led to the establishment of the Seabird Colony Register by the Seabird Group and the Nature Conservancy Council. The results and analysis of their counts during 1985-87 form the basis for this book. Improved census methodology and a new computerised database has set the standards for seabird monitoring in future decades. In Part 1 the general biology and population trends of British seabirds are described to set the scene for Part 2, in which the results and analysis for each of the 24 breeding species are given in detail. Full descriptions of the counting methods and the estimating factors used provide guidelines for future surveys not only in Britain, but wherever seabirds are of interest and importance. No-one with an interest in seabirds or conservation can afford to be without this authoritative book, nor but be grateful to the small army of professionals and amateurs who have so ably explored our coastal habitats. Illustrated by Keith Brockie.
Author : Nordisk Ministerråd
Publisher : Nordic Council of Ministers
Page : 146 pages
File Size : 44,5 Mb
Release : 2010-11
Category : Nature
ISBN : 9789289321471
Author : Michael Brooke
Publisher : Princeton University Press
Page : 264 pages
File Size : 40,8 Mb
Release : 2020-09
Category : Nature
ISBN : 9780691210322
Seabirds evoke the spirit of the earth's wildest places. They spend large portions of their lives at sea, often far from land, and nest on remote islands that humans rarely visit. Thanks to increasingly sophisticated and miniaturized devices that can track their every movement and behavior, it is now possible to observe the mysterious lives of these remarkable creatures as never before. This book takes you on a breathtaking journey around the globe to provide an extraordinary up-close look at the activities of seabirds. Featuring stunning illustrations by renowned artist Bruce Pearson, Far from Land reveals that seabirds are not the aimless wind-tossed wanderers they may appear to be, and explains the observational innovations that are driving this exciting area of research.
Author : Anonim
Publisher : Unknown
Page : 48 pages
File Size : 44,9 Mb
Release : 1982
Category : Birds
ISBN : UOM:39015077574823
One egg from each of 440 clutches of eggs of 19 species of Alaskan seabirds collected in 1973-76 was analyzed for organochlorine residues. Both frequency of occurrence and concentration of residues in the eggs differed geographically and by species, apparently reflecting non-uniform distribution of organochlorines in the environment, dissimilar feeding habits and migration patterns of the species, or metabolic differences among the species.