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Life Cycle Of Antarctic Krill In Relation To Ice And Water Conditions
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Book Synopsis Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions by : N. A. Mackintosh
Download or read book Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions written by N. A. Mackintosh and published by . This book was released on 1972 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 36 of Oceanography Discovery Reports by the National Institute of Oceanography of Great Britain.
Book Synopsis Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions by : Neil Alison Mackintosh
Download or read book Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions written by Neil Alison Mackintosh and published by . This book was released on 1972 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions, by N.A. Mackintosh by : Neil Alison Mackintosh
Download or read book Life Cycle of Antarctic Krill in Relation to Ice and Water Conditions, by N.A. Mackintosh written by Neil Alison Mackintosh and published by . This book was released on 1972 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biology and Ecology of Antarctic Krill by : Volker Siegel
Download or read book Biology and Ecology of Antarctic Krill written by Volker Siegel and published by Springer. This book was released on 2016-08-03 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a unique insight into the current knowledge of krill population dynamics including distribution, biomass, production, recruitment, growth and mortality rates. Detailed analysis is provided on food and feeding, reproduction and krill behaviour. The volume provides an overview on the aspects of natural challenges to the species, which involve predation, parasites and the commercial exploitation of the resource and its management. A chapter on genetics shows the results of population subdivision and summarizes recent work on sequencing transcriptomes for studying gene function as part of the physiology of live krill. The focus of Chapter 4 is on physiological functions such as biochemical composition, metabolic activity and growth change with ontogeny and season; and will demonstrate which environmental factors are the main drivers for variability. Further discussed in this chapter are the bottle necks which occur in the annual life cycle of krill, and the mechanisms krill have adapted to cope with severe environmental condition.
Book Synopsis The Curious Life of Krill by : Stephen Nicol
Download or read book The Curious Life of Krill written by Stephen Nicol and published by Island Press. This book was released on 2018-05-08 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Makes you feel as if you're part of an engaging dinnertime conversation." --Science News Krill. It's a familiar word that conjures oceans, whales, and swimming crustaceans. Scientists say they are one of most abundant animals on the planet. But few can accurately describe krill or explain their ecological importance. Eminent krill scientist Stephen Nicol wants us to know more about these enigmatic creatures and how we can protect them as Antarctic ice melts. This engaging account takes us to the Southern Ocean to learn firsthand the difficulties and rewards of studying krill in their habitat. From his early education about the sex lives of krill in the Bay of Fundy to a krill tattoo gone awry, Nicol uses humor and personal stories to bring the biology and beauty of krill alive.
Download or read book Krill written by Inigo Everson and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Krill, or euphausiids, a group of immense importance in marine ecosystems, comprises over 80 species, most of which are planktonic. Krill are widespread with species to be found in all the oceans of the world. Their numerical density in some regions increases their importance to marine ecosystems and has led to commercially successful krill harvesting. This comprehensive volume, thoroughly edited by Inigo Everson, well known for his work in this area, comprises chapters written by internationally acknowledged experts. The contents include coverage of: sampling and distribution, population, aggregation, reproduction and the role of krill in the ecosystem. Further specific chapters include krill harvesting, products and details of management in Japanese, Canadian and Southern Ocean waters. Drawing on the experience in each, the ecosystem approach to management is discussed in detail and how it might be applied more widely for example in forage fisheries. This most important volume draws together, for the first time, a vast amount of vital information for all those involved in work on these important marine organisms. Krill will be of great use to fisheries scientists, marine biologists and ecologists, oceanographers, zoologists and invertebrate biologists and all those involved in the commercial harvesting, exploitation and management of krill, world wide. Libraries in all aquatic and marine research stations and universities where marine and fisheries sciences are studied and taught should have multiple copies of this landmark publication on their shelves. Contributions from internationally-recognised experts in the field. Well-edited to provide an accessible and user-friendly book. Krill are a key part of ocean ecosystems. Part of exciting new Blackwell Science Series.
Book Synopsis Antarctic Cities by : Juan Francisco Salazar
Download or read book Antarctic Cities written by Juan Francisco Salazar and published by . This book was released on 2021-06-30 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The cities of Cape Town, Christchurch, Hobart, Punta Arenas, and Ushuaia are formally recognized international gateway cities through which flows most travel to the Antarctic region. All significant engagement with the South Polar region is co-ordinated through them. By geographical placement and historical contingency, these cities have a special connection to their bioregions to the south. Today, the Antarctic region faces unprecedented challenges. These Southern Oceanic Rim cities, individually and as a group, are in a position to play an important role in defining how Antarctica is imagined, discursively constructed, and vicariously experienced. This requires elaboration of the more conventional roles they have played as 'gateway cities'. As this research report shows, these five cities are much more than gateways. They are intimately connected to the south in ways-historical, cultural, political, affective-that exceed the logistical and transport function implied in the notion of gateway. With the 'ice continent' taking on a new centrality in global public consciousness in the Anthropocene, these cities' relationship with the region to their south is likely to become an even more valuable part of their urban identity. As the future of the Antarctic hangs in delicate balance, this research project argues that these cities are key to securing the future of this fragile region. Antarctic gateway cities are urban centres that can embody the values associated with Antarctica-international co-operation, scientific innovation, environmental protection-and act as global stewards of the South Polar region. As Antarctic custodial cities these urban centres can strengthen an existing interlinked southern-rim network, to better learn from and benefit each other. The Antarctic Cities project has sought to shift the emphasis on the role and responsibilities of nation-states in Antarctica and pay attention to the roles and responsibilities of these five cities formally recognized as the Antarctic gateway cities. It has sought to summarize this change in conception and function by interchanging 'gateway' with 'custodian'. In this context, it seeks to inform decision-makers and citizens on how their Antarctic gateway cities can best effect a cultural, political, ecological, and economic transition towards becoming Antarctic custodial cities.
Book Synopsis The Global Coastal Ocean: Panregional syntheses and the coasts of North and South America and Asia by : Allan R. Robinson
Download or read book The Global Coastal Ocean: Panregional syntheses and the coasts of North and South America and Asia written by Allan R. Robinson and published by Harvard University Press. This book was released on 2006 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Southern Ocean Ecology by : Sayed Z. El-Sayed
Download or read book Southern Ocean Ecology written by Sayed Z. El-Sayed and published by Cambridge University Press. This book was released on 1994-02-24 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: BIOMASS (Biological Investigations of Marine Antarctic Systems and Stocks) was a unique, large-scale, long-term, international research programme established in 1977 to investigate the ecology of the Southern Ocean. Its main aim was to gain a greater understanding of the biological systems and stocks in the marine Antarctic environment, thereby providing a sound basis for the future management of the living resources within this immense ocean. The programme was drawn to a close in 1991 and its completion marked by a colloquium which brought together key researchers to summarise and review the results obtained. This volume, arising from that colloquium, provides a succinct, state-of-the-art account of the ecology of the Southern Ocean and serves as a comprehensive record of this unique and successful international project.
Book Synopsis Krill Fisheries of the World by : Stephen Nicol
Download or read book Krill Fisheries of the World written by Stephen Nicol and published by Food & Agriculture Org.. This book was released on 1997 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Euphausiids, or krill, have been harvested since at least the 19th century and possibly earlier (Fisher et al. 1953). It is, however, only in the last 50 years that large scale commercial harvesting of krill has occurred. Despite the widespread distribution of euphausiids throughout the oceans of the world and their undoubted abundance, they have only been harvested in large quantities in two areas - in Antarctic waters and in the coastal waters off Japan. There are, however, experimental or small-scale krill fisheries in other areas and there has been speculation about the potential for such fisheries in still further areas. This report summarises the available knowledge about the existing fisheries and draws together information on other species of euphausiids that have been thought to have commercial potential. A number of other reports have been written on the commercial potential of krill, particularly Antarctic krill (Budzinski et al. 1985; Eddie 1977; Everson 1977; Grantham 1977). Another relatively recent review (Neal and Maris 1985) asessed the harvest of krill in the context of fisheries biology of other shrimps and shrimp-like animals. This report provides additional material to that provided in these reports but no attempt has been made to summarise their content except where it is necessary to understand new developments. Much of the information on the fisheries for Euphausia pacifica is published in Japanese or is published in reports of fisheries agencies. For this reason, the biology of, and the fisheries on, this species are dealt with in some detail utilising these information sources which have not previously been readily available.
Book Synopsis Antarctic Ecosystems by : K.R. Kerry
Download or read book Antarctic Ecosystems written by K.R. Kerry and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antarctic Ecosystems comprises 55 papers presented at the Fifth Symposium on Antarctic Biology held under the auspices of the Scientific Committee on Antarctic Research (SCAR) in Hobart, Australia, 29 August - 3 September, 1988. Both short- and long-term changes in ecosystems and community structures caused by natural and human factors were discussed to help understand the ecological processes taking place in a changing environment. The variability of ecological factors must be known for the development of realistic monitoring strategies and sound conservation practices.
Book Synopsis Review of Information Regarding the Conservation of Living Resources of the Antarctic Marine Ecosystem by : John L. Bengtson
Download or read book Review of Information Regarding the Conservation of Living Resources of the Antarctic Marine Ecosystem written by John L. Bengtson and published by . This book was released on 1978 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Antarctic Living Marine Resources Negotiations by : United States. Congress. Senate. National Ocean Policy Study
Download or read book Antarctic Living Marine Resources Negotiations written by United States. Congress. Senate. National Ocean Policy Study and published by . This book was released on 1978 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hearing to scrutinize the live marine resources of Antarctica, and international negotiations focusing on their conservation and management, conducted by the United States and 12 other parties to the 1959 Antarctic Treaty.
Book Synopsis Antarctic Ocean and Resources Variability by : Dietrich Sahrhage
Download or read book Antarctic Ocean and Resources Variability written by Dietrich Sahrhage and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the intensification of research activities in the Southern Ocean in recent years, both at national levels and through international cooperation in such projects as BIOMASS with its FIBEX and SIBEX phases, the need was felt increasingly for closer collaboration between biologists, meteorologists, and oceanographers in the study of the interaction between the atmospheric forces, the water masses, and the living resources. Better knowledge in this regard is not only of scientific interest but also of practical importance, especially for the management of the resources and the protection of the Antarctic marine ecosystem. As a follow-up on a recommendation by the IOC Program Group for the Southern Oceans made in March 1983, the Intergovernmental Oceanographic Commission organized a meeting of experts on oceanography related to the dynamics of the Antarctic ecosystems. During this meeting, held in Kiel, Federal Republic of Ger many, in May 1984, biologists and oceanographers involved in BIOMASS activities met with the oceanographers of SCOR Working Group 74 to discuss ways and means for additional physical and chemical observations in the oceanographic research within BIOMASS. It was the time when large fluctuations in the distribution of krill with subsequent detrimental effects on predator species dependent on krill had just been observed, and the question arose whether this was possibly the result of changes in the Antarctic water circulation.
Book Synopsis Antarctic Ecosystems by : Alex D. Rogers
Download or read book Antarctic Ecosystems written by Alex D. Rogers and published by John Wiley & Sons. This book was released on 2012-02-28 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its discovery Antarctica has held a deep fascination for biologists. Extreme environmental conditions, seasonality and isolation have lead to some of the most striking examples of natural selection and adaptation on Earth. Paradoxically, some of these adaptations may pose constraints on the ability of the Antarctic biota to respond to climate change. Parts of Antarctica are showing some of the largest changes in temperature and other environmental conditions in the world. In this volume, published in association with the Royal Society, leading polar scientists present a synthesis of the latest research on the biological systems in Antarctica, covering organisms from microbes to vertebrate higher predators. This book comes at a time when new technologies and approaches allow the implications of climate change and other direct human impacts on Antarctica to be viewed at a range of scales; across entire regions, whole ecosystems and down to the level of species and variation within their genomes. Chapters address both Antarctic terrestrial and marine ecosystems, and the scientific and management challenges of the future are explored.
Download or read book Sea Ice written by David N. Thomas and published by John Wiley & Sons. This book was released on 2017-03-06 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 20 years the study of the frozen Arctic and Southern Oceans and sub-arctic seas has progressed at a remarkable pace. This third edition of Sea Ice gives insight into the very latest understanding of the how sea ice is formed, how we measure (and model) its extent, the biology that lives within and associated with sea ice and the effect of climate change on its distribution. How sea ice influences the oceanography of underlying waters and the influences that sea ice has on humans living in Arctic regions are also discussed. Featuring twelve new chapters, this edition follows two previous editions (2001 and 2010), and the need for this latest update exhibits just how rapidly the science of sea ice is developing. The 27 chapters are written by a team of more than 50 of the worlds’ leading experts in their fields. These combine to make the book the most comprehensive introduction to the physics, chemistry, biology and geology of sea ice that there is. This third edition of Sea Ice will be a key resource for all policy makers, researchers and students who work with the frozen oceans and seas.
Download or read book Special Report written by and published by . This book was released on 1986 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
