Deep Water Communities In The West Nordic Area
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Deep Water Communities In The West Nordic Area
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Author : Eric dos Santos
language : en
Publisher: Nordic Council of Ministers
Release Date : 2008
Deep Water Communities In The West Nordic Area written by Eric dos Santos and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
The project "Deep-water communities in the West-Nordic Area" was funded by the Nordic Coucil of Ministers in the years 2006 - 2008. The aim was to provide information about the community structure and diversity of epibenthic megafauna in the western region of the Nordic Seas. The focus was on the importance of hard substrate in the formation and definition of animal communities. In the photographs analysed, community structure was found to vary strongly between sites in Icelandic waters but not much within sites. Furthermore, community structure seemed to be strongly effected by the presence of any hard surfaces rather than just the clear difference between soft and hard bottoms which has often been reported as being the important ecological distinction. The wider scope provided by video data from the Jan Mayen region showed a highly patchy distribution of epifauna and that patches are often dominated by a single macrofaunal species or a few closely related species. This patchiness seems to be the result of presence or absence of hard surfaces to act as anchor sites for sessile and semi-sessile species. Two important questions raised by this project are: why is distribution of much of the megafauna in the study area organized in such species-specific patches and are such patchiness and observed diversity patterns typical for the region. Also, it suggests that in order to protect the true diversity of the region marine protected areas will have to be large and not limited to small areas of a specific bottom type. We recommend further ecological and biological studies in the area before human exploitation is allowed on a large scale.
Anglerfish Lophius Spp In Nordic Waters
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Author : Trond Thangstad
language : en
Publisher: Nordic Council of Ministers
Release Date : 2006
Anglerfish Lophius Spp In Nordic Waters written by Trond Thangstad and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Technology & Engineering categories.
The demand for anglerfish for human consumption has increased in the last couple of decades because of the delicate consistency of its meat, resulting in increasing pressures on stocks in all Nordic fishing regions. However, the assessment and management of Nordic anglerfish stocks is difficult to conduct due to the lack of fisheries and biological data about the species, such as the spawning behaviour, migratory behaviour and juvenile drift, as well as more knowledge about growth, sexual maturation, diet and natural mortality. This report reviews the current state of knowledge and research on the biology, ecology, fisheries and stock management of anglerfish in Nordic and European countries, including results and publications from a three-year co-operative research project.
Cold Water Corals And Ecosystems
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Author : André Freiwald
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-17
Cold Water Corals And Ecosystems written by André Freiwald and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-17 with Science categories.
Cold-water coral ecosystems figure the formation of large seabed structures such as reefs and giant carbonate mounds; they represent unexplored paleo-environmental archives of earth history. Like their tropical cousins, cold-water coral ecosystems harbour rich species diversity. For this volume, key institutions in cold-water coral research have contributed 62 state-of-the-art articles on topics from geology and oceanography to biology and conservation, with some impressive underwater images.
Action Plan For Seabirds In Western Nordic Areas
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Author : Nordiska Ministerrådet
language : en
Publisher: Nordic Council of Ministers
Release Date : 2010
Action Plan For Seabirds In Western Nordic Areas written by Nordiska Ministerrådet and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Bird populations categories.
Bottom Trawling And Scallop Dredging In The Arctic
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Author : Elena Guijarro Garcia
language : en
Publisher: Nordic Council of Ministers
Release Date : 2007
Bottom Trawling And Scallop Dredging In The Arctic written by Elena Guijarro Garcia and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Arctic Ocean categories.
The Nordic Seas
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Author : Helge Drange
language : en
Publisher: American Geophysical Union
Release Date : 2005-01-14
The Nordic Seas written by Helge Drange and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-14 with Science categories.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 158. The world's largest positive temperature deviation from zonal mean temperatures lies within the realm of the Nordic Seas, comprising bodies of water variously referred to as the Norwegian Sea, the Iceland Sea, and the Greenland Sea. Its role as a mixing cauldron for waters entering from the North Atlantic and the Arctic Oceans, and its function as a major source of deep and abyss water, make our understanding of the Nordic Seas a crucial element in advancing the knowledge of climate dynamics in the Northern Hemisphere. In this context, its small extent (covering only 0.75% of the area of the world's oceans) and its unique location, which allows for accessibility and detailed exploration, are of special significance. The current book speaks to that significance specifically and also to assessing the region's present and future response to, and influence on, global climate change. It is the first such work since B. G. Hurdle's groundbreaking The Nordic Seas (published in 1986).
Mediterranean Cold Water Corals Past Present And Future
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Author : Covadonga Orejas
language : en
Publisher: Springer
Release Date : 2019-07-10
Mediterranean Cold Water Corals Past Present And Future written by Covadonga Orejas and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-10 with Nature categories.
What do we know about Mediterranean Cold (Deep)-Water coral ecosystems? In this book, specialists offer answers and insights with a series of chapters and short papers about the paleoecology, biology, physiology and ecology of the corals and other organisms that comprise these ecosystems. Structured on a temporal axis—Past, Present and Future—the reviews and selected study cases cover the cold and deep coral habitats known to date in the Mediterranean Basin. This book illustrates and explains the deep Mediterranean coral habitats that might have originated similar thriving ecosystems in today’s Atlantic Ocean.
Biology And Palaeobiology Of Bryozoans
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Author : Peter J. Hayward
language : en
Publisher: Olsen & Olsen
Release Date : 1994
Biology And Palaeobiology Of Bryozoans written by Peter J. Hayward and has been published by Olsen & Olsen this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aquatic invertebrates categories.
Cold Water Coral Reefs Of The World
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Author : Erik Cordes
language : en
Publisher: Springer Nature
Release Date : 2024-01-28
Cold Water Coral Reefs Of The World written by Erik Cordes and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-28 with Science categories.
Cold-water corals form reef structures in continental margin and seamount settings world-wide, making them more wide-spread and abundant than shallow-water reefs. Their role in these ecosystems is no less important than the influence that shallow-water coral reefs have on tropical systems. They create habitat structure, host endemic species, enhance elemental cycling, alter current flow, sequester carbon, and provide many other ecosystem services that we are just beginning to understand. The rapidly evolving state of knowledge of cold-water and deep-sea coral reefs has not been compiled in over 10 years. This volume synthesizes recent and historical information, reveals new findings from reefs that have been discovered only recently, and presents key avenues for future research. We are on the cusp of understanding the critical role that cold-water coral reefs play in the world’s oceans, and this book lays the foundation on which this knowledge will be built in the future.
Seafloor Mapping Of The Atlantic Ocean
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Author : Pål Buhl-Mortensen
language : en
Publisher: Frontiers Media SA
Release Date : 2021-09-27
Seafloor Mapping Of The Atlantic Ocean written by Pål Buhl-Mortensen and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-27 with Science categories.