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Author: Laura Sullivan
Publisher: Cavendish Square Publishing, LLC
ISBN: 1502624877
Category : Juvenile Nonfiction
Languages : en
Pages : 50
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Book Description
An estuary is the place where rivers and oceans meet, creating a fascinating landscape and a wonderful diversity of plant and animal life. Readers spend a day in this transitional area, and see why its environment is one of the most important on earth.
Author: Laura Sullivan
Publisher: Cavendish Square Publishing, LLC
ISBN: 1502624877
Category : Juvenile Nonfiction
Languages : en
Pages : 50
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Book Description
An estuary is the place where rivers and oceans meet, creating a fascinating landscape and a wonderful diversity of plant and animal life. Readers spend a day in this transitional area, and see why its environment is one of the most important on earth.
Author: Bruce J. Neilson
Publisher: Springer Science & Business Media
ISBN: 146125826X
Category : Science
Languages : en
Pages : 640
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Book Description
Estuaries are eternally enriched. Their positions at the foot of watersheds and their convenience as receiving bodies for the wastes of cites, towns and farms results in continuous addition of nutrients - those elements and compounds which are essential for organic production. Such materials must be added to these complex bodies of water to sustain production, since there is a net loss of water and its contents to the oceans. Enrichment from land and the ocean and the subsequent cycling of the original chemicals or their derivatives contribute to the extraordinarily high values of estuaries for human purposes. Many estuaries are able to assimilate large quantities of nutrients despite the great fluctuations which occur with variations in the flow from tributaries. The nutrients can be stored, incorporated in standing crops of plants, released, cycled and exported - and the system frequently achieves high production of plants and and animals without creation of any undesirable results of enrichment. Excessive enrichment with the same elements and compounds can, however, be highly detrimental to estuaries and their uses. Coastal cities are usually located on the estuaries which provided a harbor for the- and which now receive partially treated sewage and other wastes from the expanding population and industrial activity. Conversion of woodlands to agricultural use and the extensive application of fertilizers have resulted in the flow of large quantities of nutrients down the hill or slopes and eventually into the estuary.
Author: Ralph D. Cross
Publisher:
ISBN:
Category : Estuaries
Languages : en
Pages : 554
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Book Description
Author: Charles S. Spooner
Publisher:
ISBN:
Category : Environmental impact analysis
Languages : en
Pages : 212
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Book Description
Author: Chiara FACCA
Publisher: MDPI
ISBN: 3039439731
Category : Science
Languages : en
Pages : 190
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Book Description
Coastal transitional ecosystems include a wide range of morphological features—i.e., lagoons, wetlands, estuaries, deltas, and so on. According to the Ramsar Convention, “they are among the most diverse and productive ecosystems” and are continually “degraded and converted to other uses”. To protect and restore these highly valuable ecosystems, knowledge of their processes and the assessment of their ecological conditions under anthropogenic pressures is of fundamental importance. The present book contains eight original research papers and a review that provide useful tools to understand the structure and function of transitional waters worldwide. The results allow us to assess the impact of anthropogenic activities and inform stakeholders on the actions that can be taken to manage them. The papers in this book provide different ecological approaches to investigate some main impacts: - benthic and nekton communities were studied to assess the impact of eutrophication and salinity changes; - biological processes in carbon dioxide fluxes were assessed in the framework of climate change; - nekton communities were discussed in relation to habitat morphological degradation; - the role of invasive alien species was considered.
Author: Martin Wiley
Publisher: Academic Press
ISBN: 1483265587
Category : Science
Languages : en
Pages : 560
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Book Description
Estuarine Processes, Volume I: Uses, Stresses, and Adaptation to the Estuary provides information pertinent to estuarine processes and focuses on dynamic interactions at several levels of organization. This book presents the strategies to rehabilitate and protect estuaries. Organized into seven parts encompassing 37 chapters, this volume begins with an overview of the alternative ways of attaining the pervasive goals of pollution abatement and estuarine management. This text then discusses the significance of maintaining estuarine environment quality if fisheries are to continue. Other chapters consider the great value of the estuarine zone, which lies in the multiplicity of uses it serves, but herein also lies its vulnerability. This book discusses as well the identification of the major factors regulating phytoplankton productivity and regulating the level of phytoplankton biomass. The final chapter deals with assessing the potential deleterious effects of certain toxicants to penaeid shrimp. This book is a valuable resource for ecologists, environmentalists, and scientists.
Author: Peter J. Wangersky
Publisher: Springer Science & Business Media
ISBN: 9783540002703
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
Aspects of the biogeochemistry of estuaries from a variety of environments, from the tropics to the Arctic, are discussed. In most cases the courses of these rivers have been altered by dams or diversions; the results of these changes on the nature of the estuary are also discussed, where such data is available. In the case of the Tasmanian rivers, the estuary of the Huon, a largely untouched river, is contrasted with that of the Derwent, a river heavily influenced by industry. The future state of all of these estuaries may be a sensitive indicator of shifts in global weather patterns.
Author:
Publisher:
ISBN:
Category : Estuaries
Languages : en
Pages : 396
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Book Description
Author:
Publisher: Academic Press
ISBN: 0080878857
Category : Science
Languages : en
Pages : 4604
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Book Description
The study of estuaries and coasts has seen enormous growth in recent years, since changes in these areas have a large effect on the food chain, as well as on the physics and chemistry of the ocean. As the coasts and river banks around the world become more densely populated, the pressure on these ecosystems intensifies, putting a new focus on environmental, socio-economic and policy issues. Written by a team of international expert scientists, under the guidance of Chief Editors Eric Wolanski and Donald McClusky, the Treatise on Estuarine and Coastal Science, Ten Volume Set examines topics in depth, and aims to provide a comprehensive scientific resource for all professionals and students in the area of estuarine and coastal science Most up-to-date reference for system-based coastal and estuarine science and management, from the inland watershed to the ocean shelf Chief editors have assembled a world-class team of volume editors and contributing authors Approach focuses on the physical, biological, chemistry, ecosystem, human, ecological and economics processes, to show how to best use multidisciplinary science to ensure earth's sustainability Provides a comprehensive scientific resource for all professionals and students in the area of estuarine and coastal science Features up-to-date chapters covering a full range of topics
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 180
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Book Description
