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  • 1
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Watershed management-Northwest, Pacific-Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (550 pages)
    Edition: 1st ed.
    ISBN: 9781461243823
    DDC: 333.91009795
    Language: English
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  • 2
    Online Resource
    Online Resource
    Washington, D. C. :Island Press,
    Keywords: Water quality management - Research. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (185 pages)
    Edition: 1st ed.
    ISBN: 9781610910712
    DDC: 574.5/2632/072
    Language: English
    Note: Intro -- About Island Press -- Title Page -- Copyright Page -- Island Press Board of Directors 1995 -- Contents -- Figures, Tables, and Boxes -- Foreword -- Preface -- Executive Summary -- Fresh Water and the Freshwater Imperative -- Status of Fresh Waters and Challenges Ahead -- Directions for Freshwater Research -- Linking Research, Management, and Policy -- Implementation Requirements -- Appendix 1. FWI Research Agenda Participants -- Appendix 2. Books and Proceedings Reviewed by the FWl Steering Committee -- Literature Cited -- Glossary of Terms and Acronyms -- About the Authors -- Index.
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  • 3
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Pacific salmon-Habitat. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (681 pages)
    Edition: 1st ed.
    ISBN: 9781461563754
    Language: English
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  • 4
    Online Resource
    Online Resource
    Burlington :Elsevier Science & Technology,
    Keywords: Riparian areas--Management. ; Electronic books.
    Description / Table of Contents: This book describes the underlying water conditions and geologies that support viable riparia, illustrates the ecological characteristics of riparia, and discusses how riparia are used by human cultures as well as how riparia can be used to sustain environmental quality. In recent years riparian management has been widely implemented as a means of improving fisheries, water quality, and habitat for endangered species. This book provides the basic knowledge necessary to implement successful, long-term management and rehabilitation programs. * Treats riparian patterns & processes in a holistic perspective, from ecological components to societal activities * Contains over 130 illustrations and photos that summarize this complex ecological system * Synthesizes the information from more than 6,000 professional articles * Sidebars provide a look into ongoing research that is at the frontiers of riparian ecology and management.
    Type of Medium: Online Resource
    Pages: 1 online resource (445 pages)
    Edition: 1st ed.
    ISBN: 9780080470689
    Series Statement: Aquatic Ecology
    DDC: 577.68
    Language: English
    Note: Intro -- Foreword -- Preface -- 1 Introduction -- Overview -- Purpose -- Hydrological Context -- Ecological Context -- Landscape Context -- Cultural Setting -- Rationale for Riparian Ecology -- Setting the Stage -- 2 Catchments and the Physical Template -- Overview -- Purpose -- Catchments and Hierarchical Patterns of Geomorphic Features -- Catchment Form and Channel Networks -- Catchment History -- Hierarchical Patterns of Geomorphic Features in Catchments -- Geomorphic Processes and Process Domains -- Headwater Erosion -- Channel Processes -- Floodplain and Channel Interactions -- Hydrologic Connectivity and Surface Water-Groundwater Exchange -- Surface Connectivity and Flooding -- The Dynamics of the Linked Surface-Subsurface Hydrologic System -- Conclusions -- 3 Riparian Typology -- Overview -- Purpose -- The Historical Context -- Theoretical Basis for Classification -- Application of Ecological Information -- Inventory -- Classification -- Emerging Classification Concepts -- Geomorphic Classification -- Hierarchical Classification -- Rosgen's Classification -- Geomorphic Characterization (Aspect I) -- Morphologic Description (Aspect II) -- The Process Domain Concept -- The Hydrogeomorphic Approach -- Biotic Classification -- Soils -- Plants -- Wildlife -- Treating Complexity and Heterogeneity in Classification Systems -- Attributes of an Enduring Classification System -- Conclusions -- 4 Structural Patterns -- Overview -- Purpose -- Life History Strategies -- Morphological and Physiological Adaptations of Riparian Plants -- Reproductive Strategies -- Distribution, Structure, and Abundance -- Identification of Riparian Zones Based on Soils and Vegetation Type -- Biophysical Characteristics of Riparian Soils -- Organic Matter -- Moisture -- Fauna -- General Distributions of Aboveground and Belowground Communities -- Lateral Zonation. , Longitudinal Zonation -- Successional and Seasonal Community Patterns -- Vegetative Succession -- Faunal Succession -- Density, Basal Area, and Biomass -- Biological Diversity -- Diversity Theory and Measurement -- Vegetative Diversity -- Site and Catchment Patterns -- Refuges -- Factors Controlling Species Richness -- Faunal Diversity -- Diversity of Soil Organisms -- Aboveground Fauna Diversity -- 5 Biotic Functions of Riparia -- Overview -- Purpose -- Water Use and Flux -- Nutrient Fluxes -- Overview of Cycles and Processes -- Production Ecology -- Growth and Metabolism of Riparian Trees -- Timing of Growth and Rates of Net Primary Production -- Litterfall -- Mortality Rates -- Root Production -- Decomposition Dynamics -- Principles of Decomposition Dynamics -- Litter Quality -- Exogenous Nutrient Supply -- Temperature -- Oxygen Tension -- Nutrient Dynamics During Decay -- Factors Controlling Immobilization of Nitrogen -- Initial Litter Quality -- Exogenous Nutrient Supply -- Anaerobic Decay -- Temperature -- Mechanisms of Nitrogen Immobilization -- Nitrogen Accumulation in Microbial Biomass -- Nitrogen Accumulation in By-Products of Microbial Activity -- Decomposition of Riparian Litter -- Information Fluxes -- Microclimate -- Conclusions -- 6 Biophysical Connectivity and Riparian Functions -- Overview -- Purpose -- Patch Dynamics and a Landscape Perspective of Catchments -- Nutrient Flows -- Riparian Zones as Buffers Against Nutrient Pollution from Upland Runoff -- Riparian Zones as Buffers Against High In-Stream Nutrient Levels -- Particle-Nutrient Considerations -- Energy Flows and Food Webs -- Energy Flows Between Riparia and Adjoining Aquatic Systems -- Large Animal Connections -- The Functional Grouping of Large Animal Interactions -- Pacific Salmon Influences on Riparian Ecosystems -- Conclusions -- 7 Disturbance and Agents of Change. , Overview -- Purpose -- Major Categories of Change -- Human Demography -- Resource Use -- Technology Development -- Social Organization -- Riparian Disturbances -- Defining Anthropogenic Disturbance -- Understanding History: Basic Concepts and Approaches -- Legacies and Lag-Times -- Cumulative Effects -- Historical Examples of Riparian Alterations -- Pervasive Human-Mediated Changes -- Disturbance Ecology: Responses to Stress -- Ecological Consequences of Flow Regulation -- Theory -- Extent of Flow Regulation -- Effects on Native Species and Processes -- Alterations to Energy and Nutrient Budgets -- Basic Ecological Principles -- Consequences of Global Climate and Land Use Changes -- Climate Change -- Changes in Temperature Regimes -- Changes in Precipitation and Runoff Regimes -- Early Snowmelt Runoff -- Increased Precipitation Variability -- Reduced Discharge -- Can Riparia Adapt to Climate Change? -- Land Use Change -- Temperature Regimes -- Nutrient Enrichment -- Invasive Species -- Conclusions -- 8 Management -- Overview -- Purpose -- Riparian Management: A Recent and Evolving Concern -- Economic Valuation of Riparia -- Social and Cultural Perspective -- Suitable Management Institutions -- Information Collection and Dissemination -- Riparian Management: A Process Linked to Catchment and to River Management -- Riparian Benefits from Catchment Management -- Riparian Benefits from River Management -- Catchments and Rivers Benefit from Riparian Management -- Riparian Management: A Highly Specific Process -- Adaptiveness -- Sustainability -- Appropriateness -- Timber Harvest Practices -- Revegetation of Riverbanks -- Human Dimension of Riparian Management -- Shared Socioenvironmental Visions -- Social-Ecological Systems -- Communication Needs -- Conclusions -- Riparian Management as an Emerging Issue -- 9 Conservation -- Overview -- Purpose. , Conserving Riparia for Biodiversity -- Conserving Riparia for Ecosystem Services -- Conserving Riparia for their Hydrologic Effects -- Riparian Conservation in a Management Context -- Human Benefits from Riparian Conservation -- Emergence of New Conservation Legislation -- Riparian Conservation for the Long Term -- Approaching Scientific Uncertainty in Ecological Problem Solving -- Integrating Ecological Knowledge with the Social and Ethical Aspects -- Conclusions -- 10 Restoration -- Overview -- Purpose -- General Principles and Definitions -- Returning to More Natural Hydrologic Regimes -- Developing a Restoration Plan -- Getting Organized -- Identifying Problems and Opportunities -- Defining Goals and Objectives -- Implementing, Monitoring, and Evaluating -- Financial Incentives -- Setting Priorities -- Assessing the Ecological Integrity of Riparia -- Specific Enhancements -- Implementing Riparian Silvicultural Practices -- Reintroducing Large Woody Debris -- Designing Riparian Buffer Zones -- Prescribed Grazing -- Optimizing Riparia for Biodiversity -- Conclusions -- 11 Synthesis -- Overview -- Purpose -- Riparia as Keystone Units of Catchment Ecosystems -- Riparia as Nodes of Ecological Organization -- A Unified Perspective of Riparian Ecology -- Developing a Future Vision -- Scenario Development -- Forecasting, Prediction, and Projection -- Emerging Perspectives, Tools, and Approaches -- Emerging Perspectives -- Emerging Tools and Approaches -- Aboveground -- Belowground -- General Techniques -- Principles for the Ecological Management of Riparia -- Global Environmental Change -- Conclusions -- Bibliography -- Index.
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  • 5
    Keywords: Coastal ecology ; Coastal zone management ; Coasts Ecology ; Ökoton ; Aquatisches Ökosystem ; Terrestrisches Ökosystem ; Ökoton ; Aquatisches Ökosystem ; Terrestrisches Ökosystem ; Ökoton ; Küste ; Landschaftsökologie ; Litoral ; Ökoton ; Ökologie
    Type of Medium: Book
    Pages: XVI, 316 S. , Ill., graph. Darst., Kt.
    ISBN: 1850702713 , 0929858255
    Series Statement: Man and the biosphere series 4
    DDC: 574.5/2632
    RVK:
    RVK:
    RVK:
    RVK:
    Language: English
    Note: Literaturangaben
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 9 (1976), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Production and food intake by an herbivorous pupfish population (Cyprinodon nevadensis amargosae) living in the outflow of a thermal artesian well (Tecopa Bore) near Death Valley, California is described. Water issues from the ground at 47.5° C and cools 8.12° C before leaving the study area 300 m from the source. High stream temperatures restricted the pupfish population to some 41 % of the study area, with a resulting mean density of 89 individuals m−2 (range = 13 to 196m−2). Biomass estimates ranged from 7 kcal m−2 to 42 kcal m−2. The mean annual standing crop of pupfishes (24 kcal m−2) turned over about five times annually. Growth rates were highest in juveniles (♂= 9.5% day−1) and slowest in large adults (♀= 08% day−1). Monthly production ranged from 22 kcal m−2 in September to 3 kcal m−2 in July and August. Pupfish in Tecopa Bore fed on algae and detritus, ingesting 1941 kcal m−2 yr−1 or 17.5% of the annual net primary production. 119 kcal m−2 yr−1 was deposited in growth. This latter value is approximately ten times greater than values previously reported for large carnivorous fishes but is comparable lo values reported for herbivorous fishes under pond culture.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 38 (2002), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : In large floodplain rivers, hyporheic (subsurface) flow-paths transfer nutrients from productive riparian terraces to oligotrophic off-channel habitats. Because dissolved organic carbon (DOC) fuels microbial processes and hyporheic microorganisms represent the first stage of retention and transformation of these nutrients, understanding DOC flux can provide information on the constraints of microbial metabolism in the hyporheic zone of rivers. We monitored hydrology, physicochemical indicators, and dissolved organic carbon (DOC) dynamics during low and high discharge periods in the hyporheic zone of a riparian terrace on the Queets River, Washington, to understand what processes control the supply of carbon to subsurface microbial communities. As discharge increased, terrace hyporheic flowpaths changed from parallel to focused, and the location of surface water inputs to the terrace shifted from the terrace edge to head. Overall, DOC concentrations decreased along hyporheic flowpaths; however, concentrations at points along the flowpaths varied with position along the head gradient and age of the overlying vegetation. We estimated that there is insufficient DOC in adverting surface water to support hyporheic microbial metabolism in this riparian terrace. These trends indicate that there are additional carbon sources to the subsurface water, and we conclude that DOC is leaching from overlying riparian soils within the forest patches. Thus, subsurface DOC concentrations reflect a balance between surface water inputs, metabolic uptake, and allochthonous inputs from forest soils.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 41 (2005), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Riparian areas of large streams provide important habitat to many species and control many instream processes — but is the same true for the margins of small streams? This review considers riparian areas alongside small streams in forested, mountainous areas of the Pacific Northwest and asks if there are fundamental ecological differences from larger streams and from other regions and if there are consequences for management from any differences. In the moist forests along many small streams of the Pacific Northwest, the contrast between the streamside and upslope forest is not as strong as that found in drier regions. Small streams typically lack floodplains, and the riparian area is often constrained by the hillslope. Nevertheless, riparian-associated organisms, some unique to headwater areas, are found along small streams. Disturbance of hillslopes and stream channels and microclimatic effects of streams on the riparian area provide great heterogeneity in processes and diversity of habitats. The tight coupling of the terrestrial riparian area with the aquatic system results from the closed canopy and high edge-to-area ratio for small streams. Riparian areas of the temperate, conifer dominated forests of the Pacific Northwest provide a unique environment. Forest management guidelines for small streams vary widely, and there has been little evaluation of the local or downstream consequences of forest practices along small streams.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Woody materials decayed more rapidly in a first order stream than in larger streams in eastern Quebec, Canada. The rate of annual mass loss (k) was highest (k=1.20) for alder wood chips in a first order stream and lowest (k=0.04) for black spruce wood chips in a ninth order stream. Decay rates for woody materials in a first order stream were inversely related to their initial lignin to nitrogen ratios. In larger streams, decay rates of woody materials were inversely related to their initial lignin concentrations. A number of quantifiable relationships were found to exist between the initial lignin and nitrogen contents of woody materials and the nitrogen dynamics of decaying wood.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Beaver (Castor canadensis) affect the benthic invertebrate community of small woodland streams in Quebec through habitat modifications. Their activities influence community structure through the replacement of lotic taxa by lentic forms and community function by increasing the absolute importance of collectors and predators while decreasing the relative importance of shredders and scrapers in impounded sites. At our study site during the 1983 ice-free season, standing stocks of coarse particulate organic matter (〉1 mm) were 2–5 times greater (P〈0.05) in impounded sites than riffle sites in spring and summer. Fine (212 μm–1 mm) and very fine (0.5 μm–212 μm) particulate organic matter were 3–10 times greater (P〈0.05) in impounded sites in all seasons. Chlorophyll a standing stocks did not differ statistically among sites. Total density and biomass of invertebrates in impoundments were 2–5 times greater (P〈0.05) than riffle sites in spring and summer, but statistically similar in autumn. Generic diversity (H′) was greater (P〈0.05) in unaltered sites in autumn. Non-impounded sites were dominated by Simuliidae, Tanytarsini chironomids, scraping mayflies and net spinning caddisflies while impounded sites were characterized by Tanypodinae and Chironomini chironomids, predacious odonates, Tubificidae, and filtering pelycopods. Our results suggest that current paradigms applied to lotic ecosystems need to be reevaluated to incorporate the influence of beaver upon invertebrate communities.
    Type of Medium: Electronic Resource
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