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Stream Ecology: Structure and function of running waters - Allan, J. David; Castillo, María M.
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Allan, J. David; Castillo, María M.:
Stream Ecology: Structure and function of running waters - Livres de poche

2007, ISBN: 140205582X

ID: 14098114236

[EAN: 9781402055829], Neubuch, [PU: Springer], Nature|Lakes & Ponds, Nature|Rivers, Science|Life Sciences|Ecology, Brand New, Unread Copy in Perfect Condition. A+ Customer Service! Summary: 1 An Introduction to Fluvial Ecosystems An overview of the diversity of rivers and streams, including some of the causes of this diversity, and some of the consequences. The intent is to provide a roadmap for the individual chapters that follow, rather than define terms and explain principles in any detail.2 Streamflow Fluvial ecosystems exhibit tremendous variability in the quantity, timing and temporal patterns of river flow, and this profoundly influences their physical, chemical and biological condition. This chapter covers the essentials of hydrology, from the global water cycle to the myriad ways that humans alter water flowpaths and river flow.3 Fluvial Geomorphology Fluvial geomorphology emphasizes the dynamic interplay between rivers and landscapes in the shaping of river channels and drainage networks. It includes study of the linkages among channel, floodplain, network and catchment and helps make sense of the enormous variety exhibited among fluvial systems, and thus the habitat and environmental conditions experienced by the biota.4 Streamwater Chemistry The constituents of river water include suspended inorganic matter, dissolved major ions, dissolved nutrients, suspended and dissolved organic matter, gases, and trace metals. River chemistry changes temporally under the multiple influences of seasonal changes in discharge regime, precipitation inputs, and biological activity; and usually is greatly altered owing to direct and indirect human influences.5 The Abiotic Environment The abiotic environment includes all physical and chemical variables that influence the distribution and abundance of organisms. Current, substrate and temperature often are the most important variables in fluvial environments, and all organisms show adaptations that limit them to a subset of conditions. Species differ in the specific conditions under which they thrive, and whether those conditions are narrow or comparatively broad.6 Primary Producers Primary producers acquire their energy from sunlight and their materials from nonliving sources. The major autotrophs of running waters include the benthic algae and macrophytes; in larger rivers, phytoplankton also can be important. Benthic algae occur in intimate association with heterotrophic microbes within an extracellular matrix, referred to as biofilm. Benthic algae are important in fluvial food webs, especially in headwater and midsized streams, and also influence the benthic habitat and nutrient cycling.7 Detrital Energy Sources Particulate and dissolved organic matter originating both within the stream and in the surrounding landscape is an important basal resource to fluvial food webs. Detritus-based energy pathways can be particularly important, relative to pathways originating from living primary producers, in small streams shaded by a terrestrial canopy and in large, turbid rivers with extensive floodplains. Recent advances in microbial ecology have greatly expanded our understanding of the synergies between autotrophs and heterotrophs.8 Trophic Relationships The network of consumers and resources that constitute fluvial food webs is supported by a diverse mix of energy supplies that originate within the stream and beyond its banks. These include the living resources of algae and macrophytes, and the non-living resources of particulate and dissolved organic matter. Microorganisms are important mediators of organic matter availability and there is increasing evidence of their importance as a resource to both small and large consumers. Additionally, energy subsidies in the form of falling terrestrial arthropods and the eggs and carcasses of migrating fish contribute to the support of many stream-dwellers.9 Species interactions The basal resources of algae and detritus and associated microorganisms sustain higher consumers including herbivores, predators and parasites. Resources can limit the abundance of con

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Stream Ecology - J. David Allan#María M. Castillo
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J. David Allan#María M. Castillo:
Stream Ecology - nouveau livre

2007, ISBN: 9781402055829

ID: 738661214

Stream Ecology by Allan and Castillo is extensively revised and updated from the successful first edition to include major developments over the past decade. Although the subject matter is relatively advanced, this book has been written with the express goal of being accessible to students with only modest backgrounds in ecology and aquatic sciences. The First Edition was widely praised for its readability, and that emphasis is retained. The second edition opens with a new introductory chapter that sets the stage for what follows. The treatment of geomorphology and hydrology are greatly expanded from the first edition, and have been split into two, more substantial chapters. Basal energy resources, trophic roles and food web interactions are retained but thoroughly updated, particularly to include recent advances in microbial ecology and the synergies between producers and decomposers. The discussion of species interactions has been re-organized so that modern topics receive more emphasis, including trophic cascades, subsidies and food web structure. Chapters on organic matter dynamics and nutrient cycling have been substantially re-written to reflect the enormous growth in knowledge of stream metabolism and nutrient processes, the core of ecosystem functioning. The closing chapter on human impacts summarizes the status of river ecosystems and principal threats, and new material that describes advances in river management including the science of environmental flows, the successes and failures of river restoration, and the potential for ecosystem-based catchment management. This seminal work serves as a textbook for advanced undergraduate and graduate students, as well as a working reference for specialists in stream ecology and related fields. This new edition is extensively rewritten, with hydrology and geomorphology now accorded chapter-length discussion. Buch (fremdspr.) Taschenbuch 23.07.2007 Bücher>Fremdsprachige Bücher>Englische Bücher, Springer, .200

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Stream Ecology - María M. Castillo#J. David Allan
Livre non disponible
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María M. Castillo#J. David Allan:
Stream Ecology - nouveau livre

ISBN: 9781402055829

ID: 106630300

Stream Ecology by Allan and Castillo is extensively revised and updated from the successful first edition to include major developments over the past decade. Although the subject matter is relatively advanced, this book has been written with the express goal of being accessible to students with only modest backgrounds in ecology and aquatic sciences. The First Edition was widely praised for its readability, and that emphasis is retained. The second edition opens with a new introductory chapter that sets the stage for what follows. The treatment of geomorphology and hydrology are greatly expanded from the first edition, and have been split into two, more substantial chapters. Basal energy resources, trophic roles and food web interactions are retained but thoroughly updated, particularly to include recent advances in microbial ecology and the synergies between producers and decomposers. The discussion of species interactions has been re-organized so that modern topics receive more emphasis, including trophic cascades, subsidies and food web structure. Chapters on organic matter dynamics and nutrient cycling have been substantially re-written to reflect the enormous growth in knowledge of stream metabolism and nutrient processes, the core of ecosystem functioning. The closing chapter on human impacts summarizes the status of river ecosystems and principal threats, and new material that describes advances in river management including the science of environmental flows, the successes and failures of river restoration, and the potential for ecosystem-based catchment management. This seminal work serves as a textbook for advanced undergraduate and graduate students, as well as a working reference for specialists in stream ecology and related fields. This new edition is extensively rewritten, with hydrology and geomorphology now accorded chapter-length discussion. Buch (fremdspr.) Bücher>Fremdsprachige Bücher>Englische Bücher, Springer

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Stream Ecology: Structure and function of running waters - J. David Allan; Mar?a M. Castillo
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J. David Allan; Mar?a M. Castillo:
Stream Ecology: Structure and function of running waters - livre d'occasion

ISBN: 140205582X

ID: 8127219

A hugely important text for advanced undergraduates as well as graduates with an interest in stream and river ecology, this second, updated edition is designed to serve as a textbook as well as a working reference for specialists in stream ecology and related fields. The book presents vital new findings on human impacts, and new work in pollution control, flow management, restoration and conservation planning that point to practical solutions. All told, the book is expanded in length by some twenty-five percent, and includes hundreds of figures, most of them new. biological sciences,biology,civil and environmental,earth sciences,ecology,engineering,engineering and transportation,environmental,geology,lakes and ponds Geology, Springer

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Stream Ecology : Structure and Function of Running Waters - Stavroula Leka
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Stavroula Leka:
Stream Ecology : Structure and Function of Running Waters - Livres de poche

ISBN: 9781402055829

ID: 9781402055829

This seminal work serves as a textbook for advanced undergraduate and graduate students, as well as a working reference for specialists in stream ecology and related fields.This new edition is extensively rewritten, with hydrology and geomorphology now accorded chapter-length discussion.; Paperback \ Stavroula Leka; Scientific, Technical and Medical > Biology, life sciences > Life sciences: general issues > Ecologi, John Wiley and Sons Ltd

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Détails sur le livre
Stream Ecology

A hugely important text for advanced undergraduates as well as graduates with an interest in stream and river ecology, this second, updated edition is designed to serve as a textbook as well as a working reference for specialists in stream ecology and related fields. The book presents vital new findings on human impacts, and new work in pollution control, flow management, restoration and conservation planning that point to practical solutions. All told, the book is expanded in length by some twenty-five percent, and includes hundreds of figures, most of them new.

Informations détaillées sur le livre - Stream Ecology


EAN (ISBN-13): 9781402055829
ISBN (ISBN-10): 140205582X
Version reliée
Livre de poche
Date de parution: 2007
Editeur: Springer-Verlag GmbH
436 Pages
Poids: 1,069 kg
Langue: eng/Englisch

Livre dans la base de données depuis 04.10.2007 12:24:11
Livre trouvé récemment le 20.11.2017 11:38:36
ISBN/EAN: 9781402055829

ISBN - Autres types d'écriture:
1-4020-5582-X, 978-1-4020-5582-9


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