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Author : Anonim
Publisher : Unknown
Page : 340 pages
File Size : 51,5 Mb
Release : 1999
Category : Ammodytes
ISBN : MINN:31951D02881915P
Author : Vanessa Lucieer,Margaret Dolan,Vincent Lecours
Publisher : MDPI
Page : 400 pages
File Size : 52,8 Mb
Release : 2019-06-25
Category : Technology & Engineering
ISBN : 9783038979548
Geomorphometry is the science of quantitative terrain characterization and analysis, and has traditionally focused on the investigation of terrestrial and planetary landscapes. However, applications of marine geomorphometry have now moved beyond the simple adoption of techniques developed for terrestrial studies, driven by the rise in the acquisition of high-resolution seafloor data and by the availability of user-friendly spatial analytical tools. Considering that the seafloor represents 71% of the surface of our planet, this is an important step towards understanding the Earth in its entirety. This volume is the first one dedicated to marine applications of geomorphometry. It showcases studies addressing the five steps of geomorphometry: sampling a surface (e.g., the seafloor), generating a Digital Terrain Model (DTM) from samples, preprocessing the DTM for subsequent analyses (e.g., correcting for errors and artifacts), deriving terrain attributes and/or extracting terrain features from the DTM, and using and explaining those terrain attributes and features in a given context. Throughout these studies, authors address a range of challenges and issues associated with applying geomorphometric techniques to the complex marine environment, including issues related to spatial scale, data quality, and linking seafloor topography with physical, geological, biological, and ecological processes. As marine geomorphometry becomes increasingly recognized as a sub-discipline of geomorphometry, this volume brings together a collection of research articles that reflect the types of studies that are helping to chart the course for the future of marine geomorphometry.
Author : Peter T Harris,Elaine K Baker
Publisher : Elsevier
Page : 1076 pages
File Size : 44,5 Mb
Release : 2019-11-05
Category : Science
ISBN : 9780128149614
Seafloor Geomorphology as Benthic Habitat: GeoHab Atlas of Seafloor Geomorphic Features and Benthic Habitats, Second Edition, provides an updated synthesis of seabed geomorphology and benthic habitats. This new edition includes new case studies from all geographic areas and habitats that were not included in the previous edition, including the Arctic, Asia, Africa and South America. Using multibeam sonar, the benthic ecology of submarine features, such as fjords, sand banks, coral reefs, seamounts, canyons, mud volcanoes and spreading ridges is revealed in unprecedented detail. This timely release offers new understanding for researchers in Marine Biodiversity, environmental managers, ecologists, and more. Explores the relationships between seabed geomorphology, oceanography and biology Provides global case studies which directly focus on habitats, including both biological and physical data Describes ways to detect change in the marine environment (change in the condition of benthic habitats), a critical aspect for judging the performance of policies and legislation
Author : Richard Carstensen,Bob Armstrong,Rita M. O’Clair
Publisher : Graphic Arts Books
Page : 429 pages
File Size : 53,9 Mb
Release : 2014-03-03
Category : Nature
ISBN : 9780882409290
“Unlike the standard nature guides that explain how to recognize common animals, Nature stresses the web of interrelationships that link the regional flora and fauna. This affectionate examination of some of North America’s most spectacular surviving old-growth forests will delight backpackers and armchair naturalists.” —Los Angeles Times Book Review Everything you ever wanted to know about the flora and fauna of Southeast Alaska is contained in the third edition of this lively field guide to the natural world, from bears to banana slugs, mountains to murrelets. The authors, who are both Alaskan residents and biologists, combine scientific research with personal experiences to make a definitive field guide for residents of or visitors to Southeast Alaska. The unique features of the book include: In-depth information about how wildlife coexists with the environment Detailed discussions of mammals, birds, fish, invertebrates, fungi, and plants Detailed map of wilderness areas in Southeast Alaska More than 200 black-and-white illustrations A bibliography, list of common and scientific names, and an index New to this edition: More than 100 new illustrations, many never before published, as well as new maps and photos Major expansion of sections on geology, old-growth forests, marine mammals, and amphibians Fifty-two new sidebars—written in the first person to give the text a more personal touch—that describe recent findings or experiences. Sweeping updates and elaborations to chapter narratives—often thanks to technology unknown in 1992. In-depth guide to Southeast Alaska’s flora and fauna; more than an identification manual, Nature explores how the species and habitats encountered in the woods and waters of Southeast Alaska fit into the bigger picture.
Author : Anonim
Publisher : Unknown
Page : 344 pages
File Size : 41,5 Mb
Release : 1978
Category : Forests and forestry
ISBN : UCBK:C069128091
Author : BRUCE J. WELTON
Publisher : New Mexico Museum of Natural History and Science
Page : 45 pages
File Size : 46,7 Mb
Release : 2015
Category : Fishes, Fossil
ISBN : 8210379456XXX
Author : C. J. Camphuysen
Publisher : Cambridge University Press
Page : 370 pages
File Size : 50,5 Mb
Release : 2006-05-11
Category : Science
ISBN : 9781139454926
Seals, seabirds, whales and dolphins are at the top of marine food chains: studying their ecology can help identify and monitor changes in wider marine ecosystems. This book examines our current understanding of marine predator ecology and investigates how it can be used in management and conservation of marine habitats.
Author : Carl Cater,Erlet Cater
Publisher : CABI
Page : 319 pages
File Size : 49,5 Mb
Release : 2007
Category : Travel
ISBN : 9781845932602
Covering economic, marketing planning and regulation issues, this book also considers the vital role of marine ecotourism in raising awareness of the significance of the seas and oceans to sustainable coastal livelihoods.
Author : Bill Hauser
Publisher : Publication Consultants
Page : 320 pages
File Size : 53,9 Mb
Release : 2014-11-12
Category : Nature
ISBN : 9781594335235
Fishes of the Last Frontier answers many of your fish questions and others you haven't even thought of yet in a nontechnical, plain talk voice. Learn about the fishes that are of value or special interest to Alaskans: how fish are able to survive and grow, how they get along with each other--or not--and what they eat, where and how our Alaska fishes spawn, the difference between a red and a redd, and the difference between anadromous and catadromous and why that is important. The author, a fishery scientist with nearly 50 years of experience and training, including more than 30 years in Alaska, describes the life history characteristics of 43 species of fishes valuable or important in some way to Alaskans. He delves into various aspects of biology and ecology of fish and provides insight into how humans and fish interact. The processes of fishery management in Alaska are described. Fishes of the Last Frontier includes fishes from throughout Alaska in fresh, brackish, and marine waters and sport, commercial, and subsistence fisheries. Learn not just how anadromous fish find their way home but also how scientists were able to learn the details. Nontechnical readers have reported the presentations as enjoyable, understandable, and informative.
Author : Riki Ott
Publisher : Unknown
Page : 604 pages
File Size : 43,7 Mb
Release : 2005
Category : Alaskan nonfiction
ISBN : UCSD:31822035178045
Dr. Riki Ott exposes the profound legacy of the Exxon Valdez oil spill and how readers can help reshape our global energy future. The author chronicles the long-lasting environmental harm to Prince William Sound, Alaska, and investigates the health problems suffered by many cleanup workers. Exxon's spill provided a portal to understanding a startling truth: oil is much more toxic than we previously thought. Sound Truth and Corporate Myth$ frames the larger story of discovery of the truly toxic nature of oil. This book shows how one particular fraction of crude oil, polycyclic aromatic hydrocarbons or PAHs, may well be the new DDT of the 21st century. In 1999, the U.S. Environmental Protection Agency listed 22 PAHs in crude oil as "persistent, bioaccumulative, and toxic (PBT) pollutants." Sharing this list of extreme human health hazards are the more commonly known pollutants--mercury, lead, dioxin, PCBs, and DDT. The latter are all highly regulated chemicals and some, such as DDT and PCBs, have been banned in the United States. Sound Truth and Corporate Myth$ traces 15 years of lingering harm to humans and wildlife from the Exxon Valdez oil spill. It reveals how corporate greed, government short-sightedness, and manipulation of the truth and the media have kept the public from learning the deadly nature of PAHs. The author provides relevant information and practical recommendations for people and policy-makers at this critical juncture in the history of civilization. This book will inspire people to reduce their own consumption of fossil fuels and, in so doing, help permanently shift society to a clean energy future.
Author : Joanna Burger,Michael Gochfeld
Publisher : CRC Press
Page : 602 pages
File Size : 54,7 Mb
Release : 2016-07-06
Category : Nature
ISBN : 9781138032088
This book is a result of the authors' more than 40 years of study on the behavior, populations, and heavy metals in the colonial waterbirds nesting in Barnegat Bay and the nearby estuaries and bays in the Northeastern United States. From Boston Harbor to the Chesapeake, based on longitudinal studies of colonial waterbirds, it provides a clear pictu
Author : George A. Rose
Publisher : Breakwater Books
Page : 600 pages
File Size : 42,5 Mb
Release : 2007
Category : Business & Economics
ISBN : 1550812254
The devastation of many of the greatest North Atlantic cod stocks, particularly those of Newfoundland and Labrador and the Grand Banks, has become an icon for the unsustainable relation between human exploitation and Nature. Here, George Rose tells the full story of that devastation, in scientific detail, for the first time - from the formation of the North Atlantic marine ecosystems to the massive stock declines in the last half of the 20th century. Politics and the fisheries are inextricably entwined. In Cod, Rose recounts the many political influences on the fisheries over several centuries and describes how neglect from the late 1800s onward led to insufficient scientific knowledge and little protection for the stocks when massive Euro-Russian fleets targeted the Grand Banks after World War II, destroying the most prolific fishery the world has known. Cod is no armchair account, but a controversial one that includes original information on the North Atlantic fisheries.
Author : Pacific Northwest Research Station (Portland, Or.)
Publisher : Unknown
Page : 112 pages
File Size : 41,8 Mb
Release : 2000
Category : Forests and forestry
ISBN : CORNELL:31924089422756
Author : Anonim
Publisher : Unknown
Page : 408 pages
File Size : 48,7 Mb
Release : 2014
Category : Zoology
ISBN : MINN:31951P011686593
Author : National Research Council,Division on Earth and Life Studies,Polar Research Board,Commission on Geosciences, Environment and Resources,Committee on the Bering Sea Ecosystem
Publisher : National Academies Press
Page : 317 pages
File Size : 50,8 Mb
Release : 1996-05-08
Category : Science
ISBN : 9780309053457
The Bering Sea, which lies between the United States and Russia, is one of the most productive ecosystems in the world and has prolific fishing grounds. Yet there have been significant unexplained population fluctuations in marine mammals and birds in the region. The book examines the Bering Sea ecosystem's dynamics and the relationship between man and the ecosystem, in order to identify potential reasons for the population fluctuations as well as identify ways the Sea's living resources can be better managed by government.