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Author : Jacques Christian Finlay
Publisher :
ISBN 13 :
Total Pages : 346 pages
Book Rating : 4.:/5 (34 download)
Download or read book Stable Isotope Analysis of River Food Webs and Carbon Cycling written by Jacques Christian Finlay and published by . This book was released on 2000 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Michener
Publisher : John Wiley & Sons
ISBN 13 : 0470691174
Total Pages : 592 pages
Book Rating : 4.4/5 (76 download)
Download or read book Stable Isotopes in Ecology and Environmental Science written by Robert Michener and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights new and emerging uses of stable isotope analysis in a variety of ecological disciplines. While the use of natural abundance isotopes in ecological research is now relatively standard, new techniques and ways of interpreting patterns are developing rapidly. The second edition of this book provides a thorough, up-to-date examination of these methods of research. As part of the Ecological Methods and Concepts series which provides the latest information on experimental techniques in ecology, this book looks at a wide range of techniques that use natural abundance isotopes to: follow whole ecosystem element cycling understand processes of soil organic matter formation follow the movement of water in whole watersheds understand the effects of pollution in both terrestrial and aquatic environments study extreme systems such as hydrothermal vents follow migrating organisms In each case, the book explains the background to the methodology, looks at the underlying principles and assumptions, and outlines the potential limitations and pitfalls. Stable Isotopes in Ecology and Environmental Science is an ideal resource for both ecologists who are new to isotopic analysis, and more experienced isotope ecologists interested in innovative techniques and pioneering new uses.
Author : Jason Newton
Publisher : Frontiers Media SA
ISBN 13 : 2832533922
Total Pages : 212 pages
Book Rating : 4.8/5 (325 download)
Download or read book Food webs and stable isotopes, volume II written by Jason Newton and published by Frontiers Media SA. This book was released on 2023-09-29 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Fry
Publisher : Springer Science & Business Media
ISBN 13 : 0387337458
Total Pages : 318 pages
Book Rating : 4.3/5 (873 download)
Download or read book Stable Isotope Ecology written by Brian Fry and published by Springer Science & Business Media. This book was released on 2007-01-15 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A solid introduction to stable isotopes that can also be used as an instructive review for more experienced researchers and professionals. The book approaches the use of isotopes from the perspective of ecological and biological research, but its concepts can be applied within other disciplines. A novel, step-by-step spreadsheet modeling approach is also presented for circulating tracers in any ecological system, including any favorite system an ecologist might dream up while sitting at a computer. The author’s humorous and lighthearted style painlessly imparts the principles of isotope ecology. The online material contains color illustrations, spreadsheet models, technical appendices, and problems and answers.
Author : Heather Anne Loomer
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (926 download)
Download or read book The Dynamics of Carbon and Nitrogen Stable Isotope Analysis of Aquatic Organisms Within the Grand River Watershed written by Heather Anne Loomer and published by . This book was released on 2008 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stable isotope analysis is a tool employed in ecological studies to provide information on the movement of elements and energy through a system. The stable carbon and nitrogen isotope analysis of aquatic organisms has been commonly used to address questions related to energy transfer between organisms and to identify the reliance of aquatic organisms on different sources of organic matter within the system. Within the rivers, stable isotope analysis has been used to describe food webs and connect conditions within the watershed with the river. The Grand River watershed is a predominantly agricultural watershed which receives inputs from ~26 MWWTP and is managed for flow by multiple large reservoirs and weirs. The stable isotope values of aquatic organisms within this watershed were analyzed from samples collected between May and September, 2007. Sites were selected in relation to three different municipal waste water treatment plants (MWWTP) in the centre of the watershed and along a 200 km stretch of the main stem of the Grand River. Results show that stable isotope analysis can be used to differentiate organisms collected from different sites and which represent different trophic levels within the river system under select conditions. Sites which are influences by inputs from organic matter or nutrients within distinct isotope values can be distinguished easily if the input is large and the isotope values are significantly distinct from background values. For smaller inputs changes in stable isotope values were not observed relative the background variability in the system. In this case, sites should be selected to allow for the characterization the variation in isotope values already occurring within the river. Samples collected later in the growing seasons have more distinctive isotope values are between sites. At sites where seasonal variation is greater, the organisms collected may not show a clear separation between trophic levels. A lack of knowledge regarding the time period represented by the tissues of the organisms challenges interpretation these results. It is concluded that stable isotope values of aquatic organisms reflected the condition of this watershed. For nitrogen increasing loads from point sources were accompanied by increasing isotope values. Stable isotope values decreased over the river reach where recovery in river condition occurs as a result of ground water inputs. The influence of individual large MWWTP and reservoirs was observable and the management of the MWWTP and reservoir appears to affect the changes in isotope values which are observed.
Author : Mary E. Power
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (121 download)
Download or read book Carbon Isotope Signatures and Spatial Scales of Energy Flow in Food Webs Supporting Salmonids in Northern California Rivers written by Mary E. Power and published by . This book was released on 2001 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maik A Jochmann
Publisher : Royal Society of Chemistry
ISBN 13 : 1782626107
Total Pages : 306 pages
Book Rating : 4.7/5 (826 download)
Download or read book Compound-specific Stable Isotope Analysis written by Maik A Jochmann and published by Royal Society of Chemistry. This book was released on 2015-11-09 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of Compound-specific Stable Isotope Analysis (CSIA) is increasing in many areas of science and technology for source allocation, authentication, and characterization of transformation reactions. Until now, there have been no textbooks available for students with an analytical chemical background or basic introductory books emphasising the instrumentation and theory. This book is the first to focus solely on stable isotope analysis of individual compounds in sometimes complex mixtures. It acts as both a lecture companion for students and a consultant for advanced scientists in fields including forensic and environmental science. The book starts with a brief history of the field before going on to explain stable isotopes from scratch. The different ways to express isotope abundances are introduced together with isotope effects and isotopic fractionation. A detailed account of the required technical equipment and general procedures for CSIA is provided. This includes sections on derivatization and the use of microextraction techniques in GC-IRMS. The very important topic of referencing and calibration in CSIA is clearly described. This differs from approaches used in quantitative analysis and is often difficult for the newcomer to comprehend. Examples of successful applications of CSIA in food authenticity, forensics, archaeology, doping control, environmental science, and extraterrestrial materials are included. Applications in isotope data treatment and presentation are also discussed and emphasis is placed on the general conclusions that can be drawn from the uses of CSIA. Further instrumental developments in the field are highlighted and selected experiments are introduced that may act as a basis for a short practical course at graduate level.
Author : Raymond H. Hesslein
Publisher : The Study
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (319 download)
Download or read book Assessment of Trophic Position and Food Sources Using Stable Isotopes of Sulfur, Carbon and Nitrogen, Peace and Athabasca Rivers, 1992 and 1993 written by Raymond H. Hesslein and published by The Study. This book was released on 1996 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes a study of the stable isotope composition of sulphur, carbon, and nitrogen in the tissues of fish from two locations in the Athabasca River and two on the Peace River. Fish species analysed included burbot, walleye, mountain whitefish, northern pike, goldeye, longnose sucker, and lake chub. A set of samples consisting of biofilm, invertebrates, and fish from the upper Athabasca was also analysed. The purpose of the study was to extend the data base on feeding and movement of fish which could be derived from the carbon and sulphur isotope data, and to use the nitrogen isotope data to define the trophic positions of the organisms. Isotope analyses of water samples established the isotope signals of the source of organic matter produced in or carried into the Athabasca by its tributaries so that the dependence of the food chain on those sources could be assessed.
Author : Harry Oliver Buckman
Publisher :
ISBN 13 :
Total Pages : 624 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Nature and Properties of Soils written by Harry Oliver Buckman and published by . This book was released on 1922 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xinbin Feng
Publisher : Springer
ISBN 13 : 9811067198
Total Pages : 421 pages
Book Rating : 4.8/5 (11 download)
Download or read book Biogeochemical Cycle of Mercury in Reservoir Systems in Wujiang River Basin, Southwest China written by Xinbin Feng and published by Springer. This book was released on 2017-11-09 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an intensive study on the biogeochemical cycle of mercury in a river-reservoir system in Wujiang River Basin, the upper branch of the Yangtze River. Six reservoirs located in the mainstream of the Wujiang River and their corresponding inflow/outflow rivers were selected for inclusion in this study, which was conducted by researchers from the Institute of Geochemistry, Chinese Academy of Sciences. The concentration and distribution of Hg in reservoirs (the water column, sediment, sediment pore water), inflow/outflow rivers of reservoirs, and wet deposition in Wujiang River Basin were systematically investigated, and measurements were taken of the water/air exchange flux of gaseous elemental mercury (GEM). On the basis of the data gathered, a detailed mass balance of total mercury (THg) and methylmercury (MeHg) in the six reservoirs was developed. In addition, the book identifies the primary factors controlling Hg methylation in the river-reservoir system in Wujiang River Basin. The accumulation and bio-magnification of Hg species within food chains in reservoirs and human health risk of MeHg exposure through fish consumption are also included in this book.
Author : Andrea Kelsey Liu
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (11 download)
Download or read book Temporal Variability in the Stable Carbon and Nitrogen Isotope Values from Common Mid-trophic Level Species in the Bering Sea written by Andrea Kelsey Liu and published by . This book was released on 2017 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analyzing stable isotope values from the tissues of marine consumers is useful for reconstructing animal trophic ecology and movement patterns. However, interpretation of isotopic values from predators can be confounded by variability in the stable isotope values of their prey species, which differ spatially and temporally. Some factors affecting stable isotope values include environmental conditions, nitrogen cycling, primary production at the base of the food web, and trophic interactions. Understanding the potential for isotopic variation in common prey species for top predators is necessary for the best use of stable isotope analysis in marine systems and for tracing energy through food webs. In this study, I measured the stable carbon ([delta]13C) and nitrogen ([delta]15N) isotope values in muscle tissue from common mid-trophic level fish and squid species in the eastern Bering Sea over two years to compare values across years and size/age classes. I found interannual changes in the [delta]15N and [delta]13C values between 2014 and 2016 in atka mackerel, Pacific herring, sockeye salmon, squid, and walleye pollock, and variation in the [delta]13C and [delta]15N values across age/size classes in Pacific herring, sockeye salmon, and walleye pollock. I compared my data to those collected from the same size class fish in the Bering Sea in 1997 and found increases in the [delta]15N and decreases in the [delta]13C values consistent with expectations from higher ocean temperatures in 2016 and continued increased inputs of anthropogenic, isotopically light carbon.
Author : G.T. Rowe
Publisher : Springer Science & Business Media
ISBN 13 : 9401124523
Total Pages : 403 pages
Book Rating : 4.4/5 (11 download)
Download or read book Deep-Sea Food Chains and the Global Carbon Cycle written by G.T. Rowe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon dioxide and other `greenhouse' gases are increasing in the atmosphere due to the burning of fossil fuels, the destruction of rain forests, etc., leading to predictions of a gradual global warming which will perturb the global biosphere. An important process which counters this trend toward potential climate change is the removal of carbon dioxide from the surface ocean by photosynthesis. This process packages carbon in phytoplankton which enter the food chain or sink into the deep sea. Their ultimate fate is a `rain' of organic debris out of the surface-mixed layer of the ocean. On a global scale, the mechanisms and overall rate of this process are poorly known. The authors of the 25 papers in this volume present their state-of-the-art approaches to quantifying the mechanisms by which the `rain' of biogenic debris nourishes deep ocean life. Prominent deep sea ecologists, geochemists and modelers address relationships between data and models of carbon fluxes and food chains in the deep ocean. An attempt is made to estimate the fate of carbon in the deep sea on a global scale by summing up the utilization of organic matter among all the populations of the abyssal biosphere. Comparisons are made between these ecological approaches and estimates of geochemical fluxes based on sediment trapping, one-dimensional geochemical models and horizontal (physical) input from continental margins. Planning interdisciplinary enterprises between geochemists and ecologists, including new field programs, are summarized in the final chapter. The summary includes a list of the important gaps in understanding which must be addressed before the role of the deep-sea biota in global-scale processes can be put in perspective.
Author :
Publisher : Academic Press
ISBN 13 : 0080878857
Total Pages : 4604 pages
Book Rating : 4.0/5 (88 download)
Download or read book Treatise on Estuarine and Coastal Science written by and published by Academic Press. This book was released on 2012-03-06 with total page 4604 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Elsevier
ISBN 13 : 0080500749
Total Pages : 287 pages
Book Rating : 4.0/5 (85 download)
Download or read book Carbon Isotope Techniques written by and published by Elsevier. This book was released on 1991-08-12 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Isotope Techniques is a hands-on introduction to using carbon isotope tracers in experimental biology and ecology. It provides an easy bench-top reference with many simple-to-follow protocols for studying plants, animals, and soils. The 11C, 12C, 13C, and 14C carbon isotopes are considered and standard techniques are described by established authors. This is a synthetic compilation of well-established techniques. Researchers and students in a wide range of disciplines spanning plant and soil science, agricultural chemistry, forestry, ecology, oceanography, limnology, biogeochemistry, anthropology, and archaeology will find Carbon Isotope Techniques a valuable resource. Features isotopes in ecological research Highlights specific user-oriented techniques Considers carbon cycle in plants, soils, animals, air, and water Provides examples and sample calculations for radioisotopes in plant, soil, and aquatic biology
Author : José Luis Carballo
Publisher : Springer
ISBN 13 : 3319590081
Total Pages : 456 pages
Book Rating : 4.3/5 (195 download)
Download or read book Climate Change, Ocean Acidification and Sponges written by José Luis Carballo and published by Springer. This book was released on 2017-10-27 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: While sponges represent a very simple group of organisms, which are represented by over 8000 species, there is considerable interest in the increasing role they may play in future marine ecosystems. While we still have a comparatively limited understanding of how sponges will respond to ocean warming and acidification there is evidence that some species may have the ability to acclimate or even adapt to these stressors. This comprehensive collection of articles describes our current understanding of the impacts of ocean acidification and warming on sponges across multiple levels of biological organisation, and from the geological past to the present. With expert contributions from across the world this book represents the most up-to-date view on sponge responses to climate change. This book will be of interest to a wide audience of marine scientists and managers, who are grappling with how to manage, conserve and protect marine ecosystems.
Author : Rattan Lal
Publisher : Springer Science & Business Media
ISBN 13 : 9400764553
Total Pages : 467 pages
Book Rating : 4.4/5 (7 download)
Download or read book Ecosystem Services and Carbon Sequestration in the Biosphere written by Rattan Lal and published by Springer Science & Business Media. This book was released on 2013-05-29 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological functions and human wellbeing depend on ecosystem services. Among the ecosystem services are provisional (food, feed, fuel, fiber), regulating (carbon sequestration, waste recycling, water cleansing), cultural (aesthetic, recreational, spiritual), and supporting services (soil formation, photosynthesis, nutrient cycling). Many relationships of various degree exist among ecosystem services. Thus, land use and soil management to enhance biospheric carbon sinks for carbon sequestration requires a comprehensive understanding on the effects on ecosystem services. Payments for ecosystem services including carbon pricing must address the relationship between carbon sequestration and ecosystem services to minimize risks of overshoot, and promote sustainable use of land-based carbon sinks for human wellbeing.
Author : Jorge L. Sarmiento
Publisher : Princeton University Press
ISBN 13 : 1400849071
Total Pages : 527 pages
Book Rating : 4.4/5 (8 download)
Download or read book Ocean Biogeochemical Dynamics written by Jorge L. Sarmiento and published by Princeton University Press. This book was released on 2013-07-17 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean Biogeochemical Dynamics provides a broad theoretical framework upon which graduate students and upper-level undergraduates can formulate an understanding of the processes that control the mean concentration and distribution of biologically utilized elements and compounds in the ocean. Though it is written as a textbook, it will also be of interest to more advanced scientists as a wide-ranging synthesis of our present understanding of ocean biogeochemical processes. The first two chapters of the book provide an introductory overview of biogeochemical and physical oceanography. The next four chapters concentrate on processes at the air-sea interface, the production of organic matter in the upper ocean, the remineralization of organic matter in the water column, and the processing of organic matter in the sediments. The focus of these chapters is on analyzing the cycles of organic carbon, oxygen, and nutrients. The next three chapters round out the authors' coverage of ocean biogeochemical cycles with discussions of silica, dissolved inorganic carbon and alkalinity, and CaCO3. The final chapter discusses applications of ocean biogeochemistry to our understanding of the role of the ocean carbon cycle in interannual to decadal variability, paleoclimatology, and the anthropogenic carbon budget. The problem sets included at the end of each chapter encourage students to ask critical questions in this exciting new field. While much of the approach is mathematical, the math is at a level that should be accessible to students with a year or two of college level mathematics and/or physics.
