Estudio de la calidad de las aguas continentales y marítimas del delta del Ebro PDF Download
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Author: España Ministerio de Trabajo y Seguridad Social
Publisher:
ISBN:
Category :
Languages : es
Pages : 0
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Author: España Ministerio de Trabajo y Seguridad Social
Publisher:
ISBN:
Category :
Languages : es
Pages : 0
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Author: Miguel Alvarez Cobelas
Publisher:
ISBN:
Category : Water
Languages : es
Pages : 308
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Author: M. Alvarez-Cobelas
Publisher:
ISBN: 9788487779237
Category : Water
Languages : es
Pages : 307
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Author:
Publisher:
ISBN:
Category : Marine biology
Languages : en
Pages : 672
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Author: Centro de Estudios Hidrográficos (España)
Publisher:
ISBN:
Category :
Languages : es
Pages : 0
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Author: P. Pesson
Publisher:
ISBN: 9788471140722
Category : Water
Languages : es
Pages : 335
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Book Description
Modificaciones del medio acuático por influencia de la polución. Métodos generales de depuración de aguas residuales. la polución de las aguas por los detergentes. La polución de las aguas por materiales radioactivos. La eutrofización de los lagos. Influencia de la polución del agua sobre los elementos del plancton. Efectos sobre la fauna piscicola. Utilización de las algas bénticas como indicadores biológicos de la calidad de las aguas corrientes. Los briófitos acuáticos e subacuáticos, indicadores biológicos de la polución de las aguas dulces. Reveladores biológicos de la polución. Aplicación del método de los índices bióticos a nivel dered hidrografica. Fundamentos biológicos e ecológicos del estudio de la calidad de las aguas continentales.
Author: Juan A. Morales
Publisher: Springer
ISBN: 3319931695
Category : Science
Languages : en
Pages : 809
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Book Description
This monograph presents the state of art of the geologic knowledge about the Spanish coast obtained through scientific research in the last 30 years.From a general point of view, coasts are the most quickly changing systems of the Earth. This is critical, since many human resources, such as the main part of economic and social activities, are located in the coastal areas. Especially in the case of Spain these coasts include cities, wide industrial areas (including harbor complexes), important ecologic systems, and our main economic resource: tourism. Understanding the dynamic functioning of each element of this coast is vital for correct future coastal management, so as to solve problems derived from bad plans developed in the last decades of the twentieth century. This is a valuable text for advanced graduate students and coastal researchers, which connects the specific dynamic functioning of the main Spanish coastal environments and their relationships with human activities.
Author: Sergi Sabater
Publisher: Springer
ISBN: 3642309399
Category : Science
Languages : en
Pages : 381
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Book Description
The Llobregat belongs to the most thoroughly studied rivers in Europe and is a paradigm of the confluence of human and natural disturbances in a single basin. Because of its location in a very densely populated region and its Mediterranean character, the Llobregat supports a mixture of irregular flow, water abstraction, excess nutrients, mining debris, and a wide array of pollutants. The aquatic organisms strive to survive in a dramatically changing river that passes through a succession of dams, weirs and channels. The long-term river monitoring as well as the research that has been carried out in the river for a long time have provided an extensive knowledge of these disturbances and their effects on the biological communities. This book highlights the available information, with emphasis on the hydrological, chemical and biological elements interspersed in the river. Experts in the field discuss the main nutrient patterns and pollutant occurrence and the responses of the biological quality elements as well as the river ecosystem to the overall natural and man-made influences.
Author: Th.J. Abatzopoulos
Publisher: Springer Science & Business Media
ISBN: 940170791X
Category : Science
Languages : en
Pages : 416
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Book Description
The objectives of this volume are to present an up-to-date (literature survey up to 2001) account of the biology of Artemia focusing particularly upon the major advances in knowledge and understanding achieved in the last fifteen or so years and emphasising the operational and functional linkage between the biological phenomena described and the ability of this unusual animal to thrive in extreme environments. Artemia is a genus of anostracan crustaceans, popularly known as brine shrimps. These animals are inhabitants of saline environments which are too extreme for the many species which readily predate them if opportunity offers. They are, thus, effectively inhabitants of extreme (hypersaline) habitats, but at the same time are able to tolerate physiologically large changes in salinity, ionic composition, temperature and oxygen tension. Brine shrimp are gener ally thought of as tropical and subtropical, but are also found in regions where temperatures are very low for substantial periods such as Tibet, Siberia and the Atacama desert. They have, thus, great powers of adaptation and are of interest for this capacity alone. The earliest scientific reference to brine shrimp is in 1756, when Schlosser reported their existence in the saltpans of Lymington, England. These saltpans no longer exist and brine shrimp are not found in Britain today. Later, Linnaeus named the brine shrimp Cancer salinus and later still, Leach used the name Artemia salina. The strong effect which the salinity of the medium exerts on the morphological development of Artemia is now widely recognised.
Author: Salvador Sánchez-Carrillo
Publisher: Springer
ISBN: 9789400732896
Category : Science
Languages : en
Pages : 292
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Book Description
Playing a critical role in both influencing climate change and mitigating its impacts, the world’s diverse wetlands have become one of the world’s most threatened ecosystems as unsustainable land-use practices coupled with irrational use of water have already resulted in large-scale wetlands loss and degradation. To develop sound management and conservation schemes to assure wetlands sustainability in the long term requires long-term understanding of wetlands ecology. Yet until now, long-term interdisciplinary research into these systems has been limited to only a few systems from tropical or temperate climates (such as the Florida Everglades, and Czech biosphere reserve). This new book adds to the existing wetlands literature, providing a unique reference in basic and applied Mediterranean wetland ecology, based on results from long-term interdisciplinary research at the RAMSAR and UNESCO Biosphere site, of Las Tablas de Daimiel, Spain. Dating back to the early 1990s the research highlights changes in the biotic and abiotic environment in response to cumulative anthropogenic stressors, and provide guidance on applying this understand to sound management and conservation. With particular relevance to researchers dealing with semi-arid wetlands in the Mediterranean and elsewhere, as well as to resource managers, the book discusses the complexity of the interacting abiotic and biotic environment across different spatial and temporal scales and across various levels of biological hierarchy is highlighted, and reveals how management based on poor knowledge causes more damage than repair. The book will be of interest to researchers interested in freshwater ecology, hydrobotany, hydrology, geology, biogeochemistry, landscape ecology and environmental management.
