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65 tulosta hakusanalla "Aquatic Ecosystems"

Aquatic Ecosystems

Aquatic Ecosystems

Cambridge University Press
2008
sidottu
Concern about future supplies of fresh water to society, to meet the full range of human needs, now comes very high on the priority list of global societal issues. An overarching issue, which this book addresses, is whether global climate change is a dominant driver of change in the structure and function of all natural water-based ecosystems, or whether direct human population growth and accelerated consumption are playing an equal or greater role. This book divides the whole aquatic realm into 21 ecosystems, from those on land (both saline and fresh water) to those of the open and deep oceans. It draws on the understanding of leading ecologists to summarize the state and likely condition by the year 2025 of each of the ecosystems. Written for academic researchers and environmental professionals, the aim is to put the climate change debate into a broader context as a basis for conservation science and planning.
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Aquatic Ecosystems

Aquatic Ecosystems

Nova Science Publishers Inc
2012
sidottu
In this book, the authors present topical research in the study of aquatic ecosystems of which there are two main types: marine ecosystems and freshwater ecosystems. Topics discussed include a change of biodiversity in subarctic freshwater ecosystems located in the northwest region of Russia; assemblages of zoosporic true fungi, heterotrophic straminipiles and plasmodiophorids in freshwater ecosystems; aquatic ecosystem health and the causes, effects and rehabilitation of the eutrophication of aquatic ecosystems.
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Aquatic Ecosystems

Aquatic Ecosystems

MDPI AG
2025
sidottu
The aim of this Reprint is to provide interesting scientific readings on important aspects related to aquatic ecosystem biodiversity and conservation. Biodiversity emerges from the complex interactions between the organisms themselves and with physical and chemical factors. A deep understanding of the aquatic community structure and functioning and how they are affected by natural and human-induced disturbances is crucial. This is the only way to look forward into a more sustainable relationship with nature.
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Aquatic Ecosystems in a Changing Climate

Aquatic Ecosystems in a Changing Climate

Donat-P Häder; Kunshan Gao

CRC Press
2021
nidottu
Global climate change affects productivity and species composition of freshwater and marine aquatic ecosystems by raising temperatures, ocean acidification, excessive solar UV and visible radiation. Effects on bacterioplankton and viruses, phytoplankton and macroalgae have farreaching consequences for primary consumers such as zooplankton, invertebrates and vertebrates, as well as on human consumption of fish, crustaceans and mollusks. It has affected the habitation of the Arctic and Antarctic oceans the most so far. Increasing pollution from terrestrial runoff, industrial, municipal and household wastes as well as marine transportation and plastic debris also affect aquatic ecosystems.
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Aquatic Ecosystems Monitoring

Aquatic Ecosystems Monitoring

TAYLOR FRANCIS LTD
2024
sidottu
This book collates traditional and modern applications of remote sensing in aquatic ecosystem monitoring. It covers conventional assessment methods like sampling, surveying, macroinvertebrates, and chlorophyll estimation for aquatic ecosystem health assessment. Advanced remote sensing technology provides timely spectral information for quantitative and qualitative assessment of water quality, shoreline changes, coral bleaching, and vegetation monitoring. The book covers different types of aquatic ecosystems like wetlands, rivers, lakes, saline, and the brackish lake. It also:Reviews the latest applications of remote sensing in the monitoring and assessment of aquatic ecosystemsIncludes traditional methods like cartography, sampling, surveying, phytoplankton assessment, river interlinking, and chlorophyll estimationDiscusses the application of multi-source data and machine learning in monitoring aquatic ecosystemsDiscusses aquatic ecosystem management, services, threats, and sustainabilityExplores challenges, opportunities, and prospects of future Earth observation applications for aquatic ecosystem monitoringThe book discusses space-borne, airborne, and drone geospatial data. The parts broadly cover aquatic ecosystem monitoring, vegetation management, advanced modeling practices, and challenges. It is meant for scientists, professionals, and policymakers working in environmental sciences, remote sensing, and geology.
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Aquatic Ecosystems and Microbial Biofilms

Aquatic Ecosystems and Microbial Biofilms

TAYLOR FRANCIS LTD
2024
sidottu
Aquatic Ecosystems and Microbial Biofilms: Significance, Dynamics, Prevention and Control provides a systematic introduction and review of state-of-the-art information on microbial biofilms in aquatic ecosystems and their control. The book is designed and developed to understand the microbial biofilms in aquatic ecosystems, their role, and the control strategies. The contents of the book are well discussed to get state-of-art knowledge on various topics such as the role of biofilms in marine ecosystems, microbial biofilms, and drinking water systems, biofilms in biofouling and biocorrosion, beneficial aspects of biofilms such as biogeochemical cycling, wastewater treatment, and in biodeterioration of organic materials. This book also provides comprehensive knowledge and in-depth scientific information on the role of biofilms and their contribution to antibiotic resistance, and also advanced technologies to understand biofilms such as metagenomics.The book offers comprehensive coverage of the most essential topics, including:Microbial biofilms in aquatic ecosystems.New horizons to understand the role of biofilms in biofouling and corrosion and their control measures.Beneficial role of aquatic biofilms such as in biogeochemical cycling,wastewater treatment, and biodeterioration of organic materials. Various strategies to collaborate interdisciplinary schemes worldwide to design and develop new methods for cleaner drinking water, and information on advanced techniques such as metagenomics to understand the diversity and functional role of aquatic biofilms. This book serves as a reference book for scientific investigators who would like to study biofilms in aquatic ecosystems, as well as researchers developing methodology in this field to study biofilm formation in aquatic ecosystems, their advantages and disadvantages, and control strategies.
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Aquatic Ecosystems in a Changing Climate

Aquatic Ecosystems in a Changing Climate

Donat-P Häder; Kunshan Gao

CRC Press
2018
sidottu
Global climate change affects productivity and species composition of freshwater and marine aquatic ecosystems by raising temperatures, ocean acidification, excessive solar UV and visible radiation. Effects on bacterioplankton and viruses, phytoplankton and macroalgae have farreaching consequences for primary consumers such as zooplankton, invertebrates and vertebrates, as well as on human consumption of fish, crustaceans and mollusks. It has affected the habitation of the Arctic and Antarctic oceans the most so far. Increasing pollution from terrestrial runoff, industrial, municipal and household wastes as well as marine transportation and plastic debris also affect aquatic ecosystems.
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Aquatic Ecosystems and Biodiversity

Aquatic Ecosystems and Biodiversity

States Academic Press
2022
sidottu
Aquatic ecosystem refers to the ecosystem of a waterbody and encompasses both marine and freshwater ecosystems. Marine ecosystems encompass oceanic ecosystems as well as ecosystems of salt marshes, estuaries, lagoons, mangroves, and coral reefs. It may differ both in terms of salinity and biodiversity from freshwater ecosystems, which encompass wetland, river, lake, and pond ecosystems. Many abiotic factors determine the biodiversity of such ecosystems, such as salinity, nutrient levels, the amount of dissolved oxygen, etc. Moreover, biotic factors such as predation by coastal herbivores, including mammals, snails, and geese as well as mechanisms of competition and mutualism influence the biodiversity of aquatic ecosystems. This book attempts to understand aquatic ecosystems and aquatic biodiversity and how different factors impact them. Different approaches, evaluations, methodologies and advanced studies on these domains have been included herein. This book is a resource guide for experts as well as students.
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CO2 Acidification in Aquatic Ecosystems

CO2 Acidification in Aquatic Ecosystems

ELSEVIER SCIENCE PUBLISHING CO INC
2022
nidottu
CO2 Acidification in Aquatic Ecosystems: An Integrative Approach to Risk Assessment focuses on the characterization of different aspects of ecosystem science to describe the situation of CO2 acidification in aquatic ecosystems. This extensive coverage looks at the effects of CO2 acidification throughout all oceans and coastal areas. In addition, the book describes integrative approaches based on global case studies to determine the effects associated with this kind of acidification. It allows the reader to understand the different sources of CO2 in the aquatic ecosystems and the different approaches and lines of evidence available to characterize the impact of this acidification. This book provides researchers, professors and post graduate students in oceanography and aquatic ecology with a new and complete tool set to address and understand the potential impacts of CO2 acidification in aquatic ecosystems.
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Respiration in Aquatic Ecosystems

Respiration in Aquatic Ecosystems

Oxford University Press
2005
nidottu
Respiration represents the major area of ignorance in our understanding of the global carbon cycle. In spite of its obvious ecological and biogeochemical importance, most oceanographic and limnological textbooks invariably deal with respiration only superficially and as an extension of production and other processes. The objective of this book is to fill this gap and to provide the first comprehensive review of respiration in the major aquatic systems of the biosphere. The introductory chapters review the general importance of respiration in aquatic systems, and deal with respiration within four key biological components of aquatic systems: bacteria, algae, heterotrophic protists, and zooplankton. The aim of this first part is to provide the backbone for the analysis and interpretation of ecosystem-level respiration in a variety of aquatic environments. The central chapters of the book review respiration in major aquatic ecosystems including freshwater wetlands, lakes and rivers, estuaries, coastal and open ocean and pelagic ecosystems, as well as respiration in suboxic environments. For each major ecosystem, the corresponding chapter provides a synthesis of methods used to assess respiration, outlines the existing information and data on respiration, discusses its regulation and link to biotic and abiotic factors, and finally provides regional and global estimates of the magnitude of respiration. The final chapter provides a general synthesis of the information and data provided in the different sections, and further attempts to place aquatic respiration within the context of the global carbon budget.
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Trophic Interactions Within Aquatic Ecosystems

Trophic Interactions Within Aquatic Ecosystems

Dewey G Meyers

Routledge
2020
sidottu
First published 1984. The intent of the authors in organizing a AAAS symposium and this subsequent volume was to integrate the findings of aquatic ecologists whose research spans the first three trophic levels (algae, zooplankton and fish) of both marine and freshwater environments. Major topics (phytoplankton, zooplankton, fish and community interactions) are presented as, at least, two trophic-level associations by scientists who have distinctly differing perspectives. The format of papers varies from review to research and was chosen by authors on the basis of suitability to their specific topic.
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Trophic Interactions Within Aquatic Ecosystems

Trophic Interactions Within Aquatic Ecosystems

Dewey G Meyers

TAYLOR FRANCIS LTD
2021
nidottu
First published 1984. The intent of the authors in organizing a AAAS symposium and this subsequent volume was to integrate the findings of aquatic ecologists whose research spans the first three trophic levels (algae, zooplankton and fish) of both marine and freshwater environments. Major topics (phytoplankton, zooplankton, fish and community interactions) are presented as, at least, two trophic-level associations by scientists who have distinctly differing perspectives. The format of papers varies from review to research and was chosen by authors on the basis of suitability to their specific topic.
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Lipids in Aquatic Ecosystems

Lipids in Aquatic Ecosystems

Springer-Verlag New York Inc.
2009
sidottu
Evidence now suggests that the roles of essential fatty acids as growth promoters and as indices of health and nutrition are fundamentally similar in freshwater and marine ecosystems. Lipids in Aquatic Ecosystems integrates this divergent literature into a coordinated, digestible form. Chapters are organized so as to discuss and synthesize the flow of lipids from lower to higher trophic levels, up to and including humans. Linkages between the production, distribution and pathways of these essential compounds within the various levels of the aquatic food webs, and their ultimate uptake by humans and other terrestrial organisms, are highlighted throughout the book. This book will be of interest to researchers and resource managers working with aquatic ecosystems.
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Selenium Assessment in Aquatic Ecosystems

Selenium Assessment in Aquatic Ecosystems

A. Dennis Lemly

Springer-Verlag New York Inc.
2002
sidottu
Selenium is a naturally occurring trace element that can become concentrated and released by industrial, agricultural, petrochemical and mining activities. At concentrated levels it is toxic and has polluted ecosystems around the world. This book will serve as a comprehensive practical handbook for everyone dealing with selenium in aquatic environments. It offers field-tested approaches and methods for assessment and water quality management. Using his twenty-year experience, the author discusses the effects of selenium on fish and bird populations and presents guidelines for identifying sources of pollution, interpreting selenium concentrations, assessing hazardous conditions, setting water quality criteria and ecosystem loading limits (TMDLs). He also includes a procedure for setting environmentally safe limits that ensure compliance with EPA regulations. Selenium Assessment in Aquatic Ecosystems will interest field scientists, natural resource managers, risk assessors and environmental planners.
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Light and Photosynthesis in Aquatic Ecosystems

Light and Photosynthesis in Aquatic Ecosystems

John T. O. Kirk

Cambridge University Press
2010
pokkari
Beginning systematically with the fundamentals, the fully-updated third edition of this popular graduate textbook provides an understanding of all the essential elements of marine optics. It explains the key role of light as a major factor in determining the operation and biological composition of aquatic ecosystems, and its scope ranges from the physics of light transmission within water, through the biochemistry and physiology of aquatic photosynthesis, to the ecological relationships that depend on the underwater light climate. This book also provides a valuable introduction to the remote sensing of the ocean from space, which is now recognized to be of great environmental significance due to its direct relevance to global warming. An important resource for graduate courses on marine optics, aquatic photosynthesis, or ocean remote sensing; and for aquatic scientists, both oceanographers and limnologists.
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Chemical Biomarkers in Aquatic Ecosystems

Chemical Biomarkers in Aquatic Ecosystems

Thomas S. Bianchi; Elizabeth A. Canuel

Princeton University Press
2011
sidottu
This textbook provides a unique and thorough look at the application of chemical biomarkers to aquatic ecosystems. Defining a chemical biomarker as a compound that can be linked to particular sources of organic matter identified in the sediment record, the book indicates that the application of these biomarkers for an understanding of aquatic ecosystems consists of a biogeochemical approach that has been quite successful but underused. This book offers a wide-ranging guide to the broad diversity of these chemical biomarkers, is the first to be structured around the compounds themselves, and examines them in a connected and comprehensive way. This timely book is appropriate for advanced undergraduate and graduate students seeking training in this area; researchers in biochemistry, organic geochemistry, and biogeochemistry; researchers working on aspects of organic cycling in aquatic ecosystems; and paleoceanographers, petroleum geologists, and ecologists. * Provides a guide to the broad diversity of chemical biomarkers in aquatic environments * The first textbook to be structured around the compounds themselves * Describes the structure, biochemical synthesis, analysis, and reactivity of each class of biomarkers * Offers a selection of relevant applications to aquatic systems, including lakes, rivers, estuaries, oceans, and paleoenvironments * Demonstrates the utility of using organic molecules as tracers of processes occurring in aquatic ecosystems, both modern and ancient
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Space Partition within Aquatic Ecosystems

Space Partition within Aquatic Ecosystems

Kluwer Academic Publishers
1995
sidottu
This text contains the proceedings of the Second International Conference on Limnology and Oceanography held in Evian in May 1993. There were about 200 participants, with 64 communications and 53 posters. 42 manuscripts were selected by the Scientific Committee to provide the material for this book, which successfully shows that the different scientific communities are able to compare their individual approaches and develop new methods in common, paving the way for future and useful co-operation.
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